CN109121026A - Realize the method and system of VOLT in a kind of logic-based port - Google Patents
Realize the method and system of VOLT in a kind of logic-based port Download PDFInfo
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- CN109121026A CN109121026A CN201810689540.3A CN201810689540A CN109121026A CN 109121026 A CN109121026 A CN 109121026A CN 201810689540 A CN201810689540 A CN 201810689540A CN 109121026 A CN109121026 A CN 109121026A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0064—Arbitration, scheduling or medium access control aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0073—Provisions for forwarding or routing, e.g. lookup tables
Abstract
The invention discloses the method and system that VOLT is realized in a kind of logic-based port, it is related to passive optical network field, it the described method comprises the following steps: creation virtual optical line terminal VOLT, a VOLT VLAN is distributed for each VOLT, and a slot position mouth of main control unit is divided into multiple logic ports, each logic port corresponds to a VOLT VLAN；When message reaches the slot position mouth of main control unit from line card, a corresponding logic port is delivered to according to the VOLT VLAN of message, and removes VOLT VLAN at the logic port；When the slot position mouth by main control unit sends message to line card, first the VOLT according to belonging to message specifies a corresponding logic port, adds VOLT VLAN by the logic port, then send message by slot position mouth belonging to the logic port.The method that VOLT is realized in logic-based port provided by the invention, not only the utilization rate of main control unit slot position mouth is high, and service bearer ability is strong, and system architecture is clear, is easy to implement and safeguards.
Description
Technical field
The present invention relates to passive optical network fields, and in particular to a kind of logic-based port realizes the method for VOLT and is
System.
Background technique
PON (Passive Optical Network, passive optical-fiber network) system by local side OLT (optical line
Terminal, optical line terminal), ODN (optical distribution network, Optical Distribution Network) and user side
ONU (Optical Network Unit, optical network unit) composition.OLT is located at network side, and centre local side is that one kind connects
Log equipment, OLT are capable of providing two layers and three layer functions in network, comprising: the study and forwarding of two layer message, VLAN every
From, the routing forwarding of three-tier message, acl feature etc..
Existing OLT mainly uses card insert type architecture system, at present the OLT of mainstream producer all by main control unit and line card (
Referred to as service board or interface disc) composition.Main control unit is responsible for main exchange, i.e. exchange inside equipment between line card and to convergence
The exchange of layer network device, and line card (i.e. service board) is mainly just to provide PON interface.Main control unit usually by exchange chip and
CPU composition, line card are usually made of exchange chip, CPU, PON chip, and exchange chip realizes turning for the business such as unicast, multicast
Hair, with two layers and three layer functions in network.
Main control unit includes the upper united mouth for connecting network side and the internal port that is connected with other line cards, main control unit it is interior
Portion port is slot position mouth, and line card includes that connect user side PON mouth and the internal port that is connected with main control unit, line card it is interior
Portion port is backboard mouth.
Shown in Figure 1, in the prior art, OLT is corresponding with multiple virtual OLT routes when transmitting message, i.e. VOLT,
Each VOLT is corresponding with a upper united mouth, the slot position mouth of main control unit, the backboard mouth of line card and one PON mouthfuls.
However, VOLT different usually on main control unit needs to share the same slot position mouth, when message enters main control unit
Afterwards, field is added generally by message, such as: addition virtual Domain VLAN, or by modifying some original field in message,
To realize forwarding and isolation of the message in different virtual Domains.Doing so will lead to the original information of message and is blanked or repairs
Change, meanwhile, for application layer software, need to perceive field related with virtual Domain in message content, different virtual Domains
The object of forwarding and operation remains as shared physical port, thus the forwarding of different virtual Domains be still in a plane, and
Different virtual Domains are not kept apart really, it is weaker so as to cause service bearer ability, and realize and maintenance get up it is very inconvenient.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide the sides that VOLT is realized in logic-based port
Method, not only the utilization rate of main control unit slot position mouth is high, and service bearer ability is strong, and system architecture is clear, is easy to implement and safeguards.
To achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of method that VOLT is realized in logic-based port, comprising the following steps:
Virtual optical line terminal VOLT is created, distributes a VOLTVLAN for each VOLT, and by a slot of main control unit
Position mouth is divided into multiple logic ports, and each logic port corresponds to a VOLT VLAN；
When message reaches the slot position mouth of main control unit from line card, corresponding one is delivered to according to the VOLT VLAN of message
Logic port, and VOLT VLAN is removed at the logic port；
When the slot position mouth by main control unit sends message to line card, specified one of the first VOLT according to belonging to message is corresponding
Logic port, VOLT VLAN is added by the logic port, then message is sent by slot position mouth belonging to the logic port.
It based on the above technical solution, further include following after one VOLTVLAN for each VOLT distribution
Step: inside same VOLT, dividing multiple and different forwarding domains based on customer service VLAN, between all forwarding domains mutually
It is isolated and independent, different business is mapped to different forwarding domains.
Based on the above technical solution, described inside same VOLT, it is multiple not based on customer service VLAN division
It is further comprising the steps of after same forwarding domain:
Upper united mouth in VOLT based on main control unit carries out business configuration, and detailed process is as follows:
Judge whether the forwarding domain of the customer service VLAN inside VOLT has created, if not creating, judges to forward domain
Resource whether used, if having used, terminate to configure, if being not used, for service creation forward domain, if having created
It builds, then searches the corresponding forwarding domain of the business；
After creating or searching forwarding domain, when business is transmitted to slot position mouth from the upper united mouth of main control unit, by upper united mouth
It is mapped to corresponding forwarding domain with the business, so that the message with the business is entered the forwarding domain, to the source MAC of message
Learnt, the port learnt is the corresponding physical port in upper united mouth, while being turned according to the target MAC (Media Access Control) address of message
Hair, the port of forwarding are the logic port that slot position mouth corresponds to virtual Domain.
The corresponding physical port in the upper united mouth is added in the flooding list in the forwarding domain, makes unknown packet and broadcast
The all of the port in the forwarding domain is wrapped to flood.
Based on the above technical solution, described inside same VOLT, it is multiple not based on customer service VLAN division
It is further comprising the steps of after same forwarding domain:
Slot position mouth in VOLT based on main control unit carries out business configuration, and detailed process is as follows:
Judge whether the forwarding domain of the customer service VLAN inside VOLT has created, if not creating, judges to forward domain
Resource whether used, if resource has used, terminate to configure, if resource has been not used, for service creation forwarding
The corresponding forwarding domain of the business is searched if having created in domain；
After creating or searching forwarding domain, whether decision logic port has been used, if logic port has used,
Terminate configuration；
If logic port has been not used, logic port is configured according to VOLT on slot position mouth, and match on logic port
It sets and removes VOLTVLAN when the message with business enters main control unit, and configure addition when the message with business leaves main control unit
VOLT VLAN；
When business is forwarded to upper united mouth from the slot position mouth of main control unit, logic port and business are mapped to corresponding forwarding
Domain, the message with the business are first delivered to the corresponding logic port of VOLT, enter the forwarding further according to customer service VLAN
Domain learns the source MAC of message, and the port learnt is the logic port that slot position mouth corresponds to virtual Domain, simultaneously
It is forwarded according to the target MAC (Media Access Control) address of message, the port of forwarding is the corresponding physical port in upper united mouth；
The logic port is added in the flooding list in the forwarding domain, makes unknown packet and broadcast packet in the forwarding domain
All of the port flooding.
Based on the above technical solution, the process of the creation virtual optical line terminal VOLT are as follows: use network management system
System be each VOLT add object, the object of addition include the upper united mouth of main control unit, the slot position mouth of main control unit, line card backboard mouth
With the PON mouth of line card.
The present invention also provides the systems that VOLT is realized in a kind of logic-based port, including network management system and main control unit；
The network management system is used for: creation virtual optical line terminal VOLT, and distributes a VOLT for each VOLT
VLAN, and a slot position mouth of main control unit is divided into multiple logic ports, each logic port corresponds to a VOLT
VLAN；
The main control unit is used for: when message reaches the slot position mouth of main control unit from line card, being sent according to the VOLT VLAN of message
Reach a corresponding logic port, and removes VOLT VLAN at the logic port；When by the slot position mouth of main control unit to
When line card sends message, first the VOLT according to belonging to message specifies a corresponding logic port, is added by the logic port
VOLT VLAN, then message is sent by slot position mouth belonging to the logic port.
Based on the above technical solution, the network management system is also used to: distributing a VOLT for each VOLT
After VLAN, the different user service VLAN in same VOLT divides to multiple and different forwarding domains, between all forwarding domains
Mutually isolated and independent, different business is mapped to different forwarding domains.
Based on the above technical solution, the network management system is also used to: based on the upper united mouth of main control unit in VOLT
Business configuration is carried out, detailed process is as follows:
Judge whether the forwarding domain of the customer service VLAN inside VOLT has created, if not creating, judges to forward domain
Resource whether used, if having used, terminate to configure, if being not used, for service creation forward domain, if having created
It builds, then searches the corresponding forwarding domain of the business；
After creating or searching forwarding domain, when business is transmitted to slot position mouth from the upper united mouth of main control unit, by upper united mouth
It is mapped to corresponding forwarding domain with the business, so that the message with the business is entered the forwarding domain, to the source MAC of message
Learnt, the port learnt is the corresponding physical port in upper united mouth；Turned simultaneously according to the target MAC (Media Access Control) address of message
Hair, the port of forwarding are the logic port that slot position mouth corresponds to virtual Domain；
The corresponding physical port in the upper united mouth is added in the flooding list in the forwarding domain, makes unknown packet and broadcast
The all of the port in the forwarding domain is wrapped to flood.
Based on the above technical solution, the network management system is also used to: the slot position mouth in VOLT based on main control unit
Business configuration is carried out, detailed process is as follows:
Judge whether the forwarding domain of the customer service VLAN inside VOLT has created, if not creating, judges to forward domain
Resource whether used, if resource has used, terminate to configure, if resource has been not used, for service creation forwarding
The corresponding forwarding domain of the business is searched if having created in domain；
After creating or searching forwarding domain, whether decision logic port has been used, if logic port has used,
Terminate configuration；
If logic port has been not used, logic port is configured according to VOLT on slot position mouth, and match on logic port
It sets and removes VOLTVLAN when the message with business enters main control unit, and configure addition when the message with business leaves main control unit
VOLT VLAN；
When business is from slot position port transmission to the upper united mouth of main control unit, logic port and business are mapped to corresponding forwarding
Domain, the message with the business are first delivered to the corresponding logic port of VOLT, enter the forwarding further according to customer service VLAN
Domain learns the source MAC of message, and the port learnt is the logic port that slot position mouth corresponds to virtual Domain；Simultaneously
It is forwarded according to the target MAC (Media Access Control) address of message, the port of forwarding is the corresponding physical port in upper united mouth；
The logic port is added in the flooding list in the forwarding domain, makes unknown packet and broadcast packet in the forwarding domain
All of the port flooding.
Based on the above technical solution, the network management system is also used to: adding object, pair of addition for each VOLT
As include the upper united mouth of main control unit, the slot position mouth of main control unit, the backboard mouth of line card and line card PON mouth.
Compared with the prior art, the advantages of the present invention are as follows: the method that VOLT is realized in logic-based port of the invention, it will
One slot position mouth of main control unit is divided into multiple logic ports, and each logic port corresponds to a VOLT VLAN, reports in transmission
Wen Shi, different VOLT use different logic ports, and not only the utilization rate of main control unit slot position mouth is high, and service bearer ability is strong,
By logic port to system layer, so that message transmissions path is definitely, framework is clear, is easy to implement and safeguards.
Detailed description of the invention
Fig. 1 is the structural block diagram of VOLT in the prior art；
Fig. 2 is VOLT logical schematic at the upper united mouth of main control unit in the embodiment of the present invention；
Fig. 3 is VOLT logical schematic at the slot position mouth of main control unit in the embodiment of the present invention；
Fig. 4 is the method flow diagram that VOLT is realized in logic-based port in the embodiment of the present invention；
Fig. 5 is the flow chart of the upper united mouth progress business configuration in the embodiment of the present invention in VOLT based on main control unit；
Fig. 6 is the flow chart of the slot position mouth progress business configuration in the embodiment of the present invention in VOLT based on main control unit.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
Shown in Figure 4, the embodiment of the present invention also provides a kind of method that VOLT is realized in logic-based port, including following
Step:
S1: creation virtual optical line terminal VOLT distributes a VOLTVLAN for each VOLT, and by one of main control unit
Slot position mouth is divided into multiple logic ports, and each logic port corresponds to a VOLT VLAN；
Middle VOLT illustrates two virtual optical routes at the upper united mouth of main control unit shown in logical schematic referring to fig. 2
Terminal VOLT, respectively VOLT1 and VOLT2, the corresponding upper united mouth each VOLT, i.e. VOLT1 correspond to upper united mouth 1, and VOLT2 pairs
Answer upper united mouth 2.
It is corresponding with Fig. 2 referring to VOLT in Fig. 3 at the slot position mouth of main control unit shown in logical schematic, also illustrate
Two virtual optical line terminal VOLT, respectively VOLT1 and VOLT2, two VOLT correspond to a slot position mouth.In the present embodiment
In, a slot position mouth is divided into two logic ports, respectively logic port 1 and logic port 2, logic port 1 is corresponding
VOLT1-VLAN, the corresponding VOLT2-VLAN of logic port 2.
S2: inside same VOLT, dividing multiple and different forwarding domains based on customer service VLAN, all forwarding domains it
Between it is mutually isolated and independent, different business is mapped to different forwarding domains.
Shown in referring to figs. 2 and 3, illustrates and a VOLT is divided into two different forwarding domains, wherein VOLT1-
VLAN corresponding two forwardings domain is respectively VLAN11 and VLAN12, and VOLT2-VLAN corresponding two forwardings domain is respectively
VLAN21 and VLAN22.
S3: when message reaches the slot position mouth of main control unit from line card, corresponding one is delivered to according to the VOLTVLAN of message
A logic port, and VOLTVLAN is removed at the logic port.
S4: when the slot position mouth by main control unit sends message to line card, first the VOLT according to belonging to message is one specified
Corresponding logic port adds VOLT VLAN by the logic port, then sends report by slot position mouth belonging to the logic port
Text.
The method that VOLT is realized in the logic-based port of the embodiment of the present invention, a slot position mouth of main control unit is divided into more
A logic port, each logic port correspond to a VOLTVLAN, and in transmitting message, different VOLT is patrolled using different
Port is collected, by logic port to system layer, so that message transmissions path is definitely, framework is clear, is easy to implement and ties up
Shield.
Further, described inside same VOLT, after multiple and different forwarding domains is divided based on customer service VLAN,
Further comprising the steps of: the upper united mouth in VOLT based on main control unit carries out business configuration.
Referring to fig. 2 and shown in Fig. 5, the upper united mouth in VOLT based on main control unit carries out the detailed process of business configuration such as
Under:
S101: judging whether the corresponding forwarding domain the customer service VLAN inside VOLT has created, if not creating, turns
Step S104 is gone to step S102 if having created；
S102: judging whether the resource for forwarding domain has used, if having used, terminates to configure, if being not used,
Go to step S103；
S103: domain is forwarded for service creation, enters step S105；
S104: the corresponding forwarding domain of the business is searched, S105 is entered step；
S105:, will be upper when business is transmitted to slot position mouth from the upper united mouth of main control unit after creating or searching forwarding domain
Connection mouth and the business are mapped to corresponding forwarding domain, so that the message with the business is entered the forwarding domain, to the source MAC of message
Address is learnt, and the port learnt is the corresponding physical port in upper united mouth, while being carried out according to the target MAC (Media Access Control) address of message
Forwarding, the port of forwarding are the logic port that slot position mouth corresponds to virtual Domain；
S106: the corresponding physical port in the upper united mouth is added in the flooding list in the forwarding domain, makes unknown packet
All of the port with broadcast packet in the forwarding domain floods.
Further, described inside same VOLT, after multiple and different forwarding domains is divided based on customer service VLAN,
Further comprising the steps of: the slot position mouth in VOLT based on main control unit carries out business configuration.
Referring to shown in Fig. 3 and Fig. 6, the slot position mouth in VOLT based on main control unit carries out the detailed process of business configuration such as
Under:
S201: judging whether the corresponding forwarding domain the customer service VLAN inside VOLT has created, if not creating, turns
Step S204 is gone to step S202 if having created；
S202: judging whether the resource for forwarding domain has used, if resource has used, terminates to configure, if resource is not
It has been used that, then go to step S203；
S203: domain is forwarded for service creation, enters step S205；
S204: the corresponding forwarding domain of the business is searched, S205 is entered step；
S205: after creating or searching forwarding domain, whether decision logic port has been used, if logic port has used
It is complete, then terminate to configure, if logic port has been not used, goes to step S206；
S206: configuring logic port according to VOLT on slot position mouth, and configuration has the message of business on logic port
VOLT VLAN is removed when into main control unit, and is configured when the message with business leaves main control unit and added VOLT VLAN；
S207: when business is from slot position port transmission to the upper united mouth of main control unit, logic port and business are mapped to accordingly
Forwarding domain, the message with the business is first delivered to the corresponding logic port of VOLT, enters further according to customer service VLAN
The forwarding domain, learns the source MAC of message, and the port learnt is the logical end that slot position mouth corresponds to virtual Domain
Mouthful, while being forwarded according to the target MAC (Media Access Control) address of message, the port of forwarding is the corresponding physical port in upper united mouth；
S208: the logic port is added in the flooding list in the forwarding domain, makes unknown packet and broadcast packet at this
Forward all of the port flooding in domain.
By the upper united mouth of above-mentioned main control unit and the business configuration of slot position mouth, so that multiple functions may be implemented in VOLT,
Such as study, forwarding, the isolation of two layer services, routing forwarding and CPU send and receive packets of three layer services etc..
In the present embodiment, for multicast, multicast message is forwarded from logic port, and adds VOLT by logic port
VLAN, then be sent to slot position mouth belonging to the logic port, then sent by slot position mouth.
For CPU packet receiving, if packet receiving port is slot position mouth, the source port for passing to application layer is logic port, on
Layer software can know the VOLT of the message by logic port, and then realize application and development according to the VOLT；CPU is sent out
Packet, when upper layer software (applications) is when specified port of giving out a contract for a project is slot position mouth, and meanwhile the specified VOLT for sending the packet, then the transmission of the message
Port can be converted into logic port, and add VOLT VLAN by logic port, then be sent to slot position belonging to the logic port
Mouthful, then sent by slot position mouth.
In embodiments of the present invention, either multicast or CPU send and receive packets etc., operation object are logic ports, are passed through
Logic port completes these operations, so that message transmissions path is definitely, framework is clear, be easy to implement and safeguard.
Further, the process of the creation virtual optical line terminal VOLT are as follows: added using network management system for each VOLT
Add object, the object of addition includes the PON mouth of the upper united mouth of main control unit, the slot position mouth of main control unit, the backboard mouth of line card and line card.
Another embodiment of the present invention additionally provides the system that VOLT is realized in a kind of logic-based port, including network management system and
Main control unit.
The network management system is used for: creation virtual optical line terminal VOLT, and distributes a VOLT for each VOLT
VLAN, and a slot position mouth of main control unit is divided into multiple logic ports, each logic port corresponds to a VOLT
VLAN；
The main control unit is used for: when message reaches the slot position mouth of main control unit from line card, being sent according to the VOLT VLAN of message
Reach a corresponding logic port, and removes VOLT VLAN at the logic port；When by the slot position mouth of main control unit to
When line card sends message, first the VOLT according to belonging to message specifies a corresponding logic port, is added by the logic port
VOLT VLAN, then message is sent by slot position mouth belonging to the logic port.
Further, the network management system is also used to:, will be same after distributing a VOLTVLAN for each VOLT
Different user service VLAN in VOLT divides multiple and different forwarding domains, mutually isolated and independent between all forwarding domains,
Different business is mapped to different forwarding domains.
Further, the network management system is also used to: the upper united mouth in VOLT based on main control unit carries out business configuration,
Detailed process is as follows:
Judge whether the forwarding domain of the customer service VLAN inside VOLT has created, if not creating, judges to forward domain
Resource whether used, if having used, terminate to configure, if being not used, for service creation forward domain, if having created
It builds, then searches the corresponding forwarding domain of the business；
After creating or searching forwarding domain, when business is transmitted to slot position mouth from the upper united mouth of main control unit, by upper united mouth
It is mapped to corresponding forwarding domain with the business, so that the message with the business is entered the forwarding domain, to the source MAC of message
Learnt, the port learnt is the corresponding physical port in upper united mouth；Turned simultaneously according to the target MAC (Media Access Control) address of message
Hair, the port of forwarding are the logic port that slot position mouth corresponds to virtual Domain；
The corresponding physical port in the upper united mouth is added in the flooding list in the forwarding domain, makes unknown packet and broadcast
The all of the port in the forwarding domain is wrapped to flood.
Further, the network management system is also used to: the slot position mouth in VOLT based on main control unit carries out business configuration,
Detailed process is as follows:
Judge whether the forwarding domain of the customer service VLAN inside VOLT has created, if not creating, judges to forward domain
Resource whether used, if resource has used, terminate to configure, if resource has been not used, for service creation forwarding
The corresponding forwarding domain of the business is searched if having created in domain；
After creating or searching forwarding domain, whether decision logic port has been used, if logic port has used,
Terminate configuration；
If logic port has been not used, logic port is configured according to VOLT on slot position mouth, and match on logic port
It sets and removes VOLTVLAN when the message with business enters main control unit, and configure addition when the message with business leaves main control unit
VOLT VLAN；
When business is from slot position port transmission to the upper united mouth of main control unit, logic port and business are mapped to corresponding forwarding
Domain, the message with the business are first delivered to the corresponding logic port of VOLT, enter the forwarding further according to customer service VLAN
Domain learns the source MAC of message, and the port learnt is the logic port that slot position mouth corresponds to virtual Domain；Simultaneously
It is forwarded according to the target MAC (Media Access Control) address of message, the port of forwarding is the corresponding physical port in upper united mouth；
The logic port is added in the flooding list in the forwarding domain, makes unknown packet and broadcast packet in the forwarding domain
All of the port flooding.
In embodiments of the present invention, the network management system is also used to: adding object for each VOLT, the object of addition includes
The upper united mouth of main control unit, the slot position mouth of main control unit, the backboard mouth of line card and line card PON mouth.
The system that VOLT is realized in the logic-based port of the embodiment of the present invention, a slot position mouth of main control unit is divided into more
A logic port, each logic port correspond to a VOLTVLAN, and in transmitting message, different VOLT is patrolled using different
Port is collected, by logic port to system layer, so that message transmissions path is definitely, framework is clear, is easy to implement and ties up
Shield.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of method that VOLT is realized in logic-based port, which comprises the following steps:
Virtual optical line terminal VOLT is created, distributes a VOLT VLAN for each VOLT, and by a slot position mouth of main control unit
Multiple logic ports are divided into, each logic port corresponds to a VOLT VLAN；
When message reaches the slot position mouth of main control unit from line card, a corresponding logic is delivered to according to the VOLT VLAN of message
Port, and VOLT VLAN is removed at the logic port；
When the slot position mouth by main control unit sends message to line card, first patrol accordingly for the VOLT according to belonging to message specified one
Port is collected, VOLT VLAN is added by the logic port, then message is sent by slot position mouth belonging to the logic port.
2. the method that VOLT is realized in logic-based port as described in claim 1, it is characterised in that: described is each VOLT points
It is further comprising the steps of after a VOLT VLAN: multiple not based on customer service VLAN division inside same VOLT
With forwarding domain, mutually isolated and independent between all forwarding domains, different business is mapped to different forwarding domains.
3. the method that VOLT is realized in logic-based port as claimed in claim 2, it is characterised in that: described in same VOLT
Portion, further comprising the steps of after multiple and different forwarding domains is divided based on customer service VLAN:
Upper united mouth in VOLT based on main control unit carries out business configuration, and detailed process is as follows:
Judge whether the forwarding domain of the customer service VLAN inside VOLT has created, if not creating, judges the money for forwarding domain
Whether source has used, if having used, terminates to configure, if being not used, forwards domain for service creation, if having created,
Then search the corresponding forwarding domain of the business；
After creating or searching forwarding domain, when business is transmitted to slot position mouth from the upper united mouth of main control unit, by upper united mouth and it is somebody's turn to do
Business is mapped to corresponding forwarding domain, and the message with the business is made to enter the forwarding domain, carries out to the source MAC of message
Study, the port learnt is the corresponding physical port in upper united mouth, while being forwarded according to the target MAC (Media Access Control) address of message, is turned
The port of hair is the logic port that slot position mouth corresponds to virtual Domain.
The corresponding physical port in the upper united mouth is added in the flooding list in the forwarding domain, unknown packet and broadcast packet is made to exist
The all of the port in the forwarding domain floods.
4. the method that VOLT is realized in logic-based port as claimed in claim 2, it is characterised in that: described in same VOLT
Portion, further comprising the steps of after multiple and different forwarding domains is divided based on customer service VLAN:
Slot position mouth in VOLT based on main control unit carries out business configuration, and detailed process is as follows:
Judge whether the forwarding domain of the customer service VLAN inside VOLT has created, if not creating, judges the money for forwarding domain
Whether source has used, if resource has used, terminates to configure, if resource has been not used, forwards domain for service creation, if
It has been created that, then search the corresponding forwarding domain of the business；
After creating or searching forwarding domain, whether decision logic port has been used, if logic port has used, terminates
Configuration；
If logic port has been not used, logic port is configured according to VOLT on slot position mouth, and band is configured on logic port
VOLT VLAN is removed when having the message of business to enter main control unit, and configures addition when the message with business leaves main control unit
VOLT VLAN；
When business is forwarded to upper united mouth from the slot position mouth of main control unit, logic port and business are mapped to corresponding forwarding domain,
Message with the business is first delivered to the corresponding logic port of VOLT, enters the forwarding domain further according to customer service VLAN,
The source MAC of message is learnt, the port learnt corresponds to the logic port of virtual Domain, while basis for slot position mouth
The target MAC (Media Access Control) address of message is forwarded, and the port of forwarding is the corresponding physical port in upper united mouth；
The logic port is added in the flooding list in the forwarding domain, makes unknown packet and broadcast packet in the institute in the forwarding domain
There is port flooding.
5. the method that VOLT is realized in logic-based port as described in claim 1, which is characterized in that the creation virtual ray
The process of road terminal VOLT are as follows: add object using network management system for each VOLT, the object of addition includes the first line of a couplet of main control unit
The PON mouth of mouth, the slot position mouth of main control unit, the backboard mouth of line card and line card.
6. the system that VOLT is realized in a kind of logic-based port, which is characterized in that including network management system and main control unit；
The network management system is used for: creation virtual optical line terminal VOLT, and distributes a VOLT VLAN for each VOLT, and
One slot position mouth of main control unit is divided into multiple logic ports, each logic port corresponds to a VOLT VLAN；
The main control unit is used for: when message reaches the slot position mouth of main control unit from line card, being delivered to according to the VOLT VLAN of message
A corresponding logic port, and VOLT VLAN is removed at the logic port；When by the slot position mouth of main control unit to line card
When sending message, first the VOLT according to belonging to message specifies a corresponding logic port, adds VOLT by the logic port
VLAN, then message is sent by slot position mouth belonging to the logic port.
7. the system that VOLT is realized in logic-based port as claimed in claim 6, which is characterized in that the network management system is also used
In: it is after distributing a VOLT VLAN for each VOLT, the different user service VLAN division in same VOLT is multiple not
With forwarding domain, mutually isolated and independent between all forwarding domains, different business is mapped to different forwarding domains.
8. the system that VOLT is realized in logic-based port as claimed in claim 7, which is characterized in that the network management system is also used
In: the upper united mouth in VOLT based on main control unit carries out business configuration, and detailed process is as follows:
Judge whether the forwarding domain of the customer service VLAN inside VOLT has created, if not creating, judges the money for forwarding domain
Whether source has used, if having used, terminates to configure, if being not used, forwards domain for service creation, if having created,
Then search the corresponding forwarding domain of the business；
After creating or searching forwarding domain, when business is transmitted to slot position mouth from the upper united mouth of main control unit, by upper united mouth and it is somebody's turn to do
Business is mapped to corresponding forwarding domain, and the message with the business is made to enter the forwarding domain, carries out to the source MAC of message
Study, the port learnt are the corresponding physical port in upper united mouth；It is forwarded, is turned according to the target MAC (Media Access Control) address of message simultaneously
The port of hair is the logic port that slot position mouth corresponds to virtual Domain；
The corresponding physical port in the upper united mouth is added in the flooding list in the forwarding domain, unknown packet and broadcast packet is made to exist
The all of the port in the forwarding domain floods.
9. the system that VOLT is realized in logic-based port as claimed in claim 7, which is characterized in that the network management system is also used
In: the slot position mouth in VOLT based on main control unit carries out business configuration, and detailed process is as follows:
Judge whether the forwarding domain of the customer service VLAN inside VOLT has created, if not creating, judges the money for forwarding domain
Whether source has used, if resource has used, terminates to configure, if resource has been not used, forwards domain for service creation, if
It has been created that, then search the corresponding forwarding domain of the business；
After creating or searching forwarding domain, whether decision logic port has been used, if logic port has used, terminates
Configuration；
If logic port has been not used, logic port is configured according to VOLT on slot position mouth, and band is configured on logic port
VOLT VLAN is removed when having the message of business to enter main control unit, and configures addition when the message with business leaves main control unit
VOLT VLAN；
When business is from slot position port transmission to the upper united mouth of main control unit, logic port and business are mapped to corresponding forwarding domain,
Message with the business is first delivered to the corresponding logic port of VOLT, enters the forwarding domain further according to customer service VLAN,
The source MAC of message is learnt, the port learnt is the logic port that slot position mouth corresponds to virtual Domain；Basis simultaneously
The target MAC (Media Access Control) address of message is forwarded, and the port of forwarding is the corresponding physical port in upper united mouth；
The logic port is added in the flooding list in the forwarding domain, makes unknown packet and broadcast packet in the institute in the forwarding domain
There is port flooding.
10. the system that VOLT is realized in logic-based port as claimed in claim 6, which is characterized in that the network management system is also
For: for each VOLT add object, the object of addition include the upper united mouth of main control unit, the slot position mouth of main control unit, line card back
The PON of plate mouth and line card mouth.
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