CN109474530A - A kind of equipment detection method and device - Google Patents
A kind of equipment detection method and device Download PDFInfo
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- CN109474530A CN109474530A CN201811344694.5A CN201811344694A CN109474530A CN 109474530 A CN109474530 A CN 109474530A CN 201811344694 A CN201811344694 A CN 201811344694A CN 109474530 A CN109474530 A CN 109474530A
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- gateway
- mark
- equipment
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- distributed network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
-
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/24—Multipath
- H04L45/245—Link aggregation, e.g. trunking
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The embodiment of the present invention provides a kind of equipment detection method and device, and in the present invention, the first EVPN distributed network gate includes the mark of this gateway in the probe requests message when sending the probe requests message to equipment；If the detection response message that equipment is responded is hashing onto the 2nd EVPN distributed network gate, detection response message can be transmitted to the first EVPN distributed network gate by the 2nd EVPN distributed network gate；When the mark for the gateway that first EVPN distributed network gate includes in confirming detection response message is identical as the mark of this gateway, determination detects the equipment.
Description
Technical field
The present invention relates to network communication technology field more particularly to a kind of equipment detection methods and device.
Background technique
DRNI (Distributed Resilient Network Interconnect, distributed elastic network interconnection) is
Two physical equipments are invented an equipment in polymerization level to realize striding equipment link by a kind of striding equipment link aggregation technology
Polymerization, to provide device level redundancy protecting and flow load sharing.
EVPN (Ethernet Virtual Private Network, Ethernet Virtual Private Network) is two layers a kind of
VPN technologies, control plane use MP-BGP (Multiprotocol-Border Gateway Protocol, multiprotocol-border net
Close agreement) notice routing iinformation, data plane is using VXLAN (Virtual eXtensible LAN, expansible virtual LAN
Network) packaged type E-Packets.
In the EVPN networking for supporting DRNI, as shown in Figure 1, Leaf110 and Leaf111 is EVPN distributed network gate, and
Striding equipment link aggregation is realized by DRNI, is externally rendered as an EVPN gateway.
If Leaf110 is hung standby (for example, switching equipment 120 in Fig. 1) under being detected by Ping order, and switching equipment
120 based on Hash operation by the response message of detection response to Leaf111 (Leaf110 and Leaf111 gateway having the same
IP), Leaf110 does not receive response message, and detection is caused to fail.
Summary of the invention
The present invention in order to solve the EVPN distributed network gate of existing striding equipment link aggregation can not detect down hang it is standby
Problem proposes a kind of equipment detection method and device, the equipment to allow EVPN distributed network gate to detect lower extension.
For achieving the above object, the present invention provides the following technical scheme that
In a first aspect, the present invention provides a kind of equipment detection method, it is applied to the first EVPN distributed network gate, described first
EVPN distributed network gate and the 2nd EVPN distributed network gate striding equipment link aggregation, and equipment is connected under aggregation port, wherein institute
The mark for stating the first EVPN distributed network gate is different with the mark of the 2nd EVPN distributed network gate, which comprises
The probe requests message for detecting the equipment is sent to the equipment, includes this in the probe requests message
The mark of gateway, so that the equipment includes identical with the probe requests message received in the detection response message of transmission
Gateway mark；
If receiving the detection response message of the 2nd EVPN distributed network gate forwarding, and the probe response report
The mark for the gateway for including in text is identical as the mark of this gateway, and determination detects the equipment.
Second aspect, the present invention provide a kind of equipment detection device, be applied to the first EVPN distributed network gate, described first
EVPN distributed network gate and the 2nd EVPN distributed network gate striding equipment link aggregation, and equipment is connected under aggregation port, wherein institute
The mark for stating the first EVPN distributed network gate is different with the mark of the 2nd EVPN distributed network gate, and described device includes:
Transmission unit, for sending the probe requests message for detecting the equipment to the equipment, the detection is asked
The mark in message including this gateway is sought, so that the detection that the equipment includes and receives in the detection response message of transmission
The mark of identical gateway in request message；
Determination unit, if the detection response message for receiving the 2nd EVPN distributed network gate forwarding, and
The mark for the gateway for including in the detection response message is identical as the mark of this gateway, and determination detects the equipment.
In the present invention it can be seen from above description, the first EVPN distributed network gate sends the probe requests message to equipment
When, including the mark of this gateway in the probe requests message.If the detection response message that equipment is responded is hashing onto the 2nd EVPN
Detection response message can be transmitted to the first EVPN distributed network gate by distributed network gate, the 2nd EVPN distributed network gate.First
When the mark for the gateway that EVPN distributed network gate includes in confirming detection response message is identical as the mark of this gateway, determines and visit
The equipment for measuring lower extension.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of EVPN networking schematic diagram for supporting DRNI shown in the embodiment of the present invention；
Fig. 2 is a kind of equipment detection method flow chart shown in the embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of equipment detection device shown in the embodiment of the present invention.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
It is only to be not intended to limit the invention merely for for the purpose of describing particular embodiments in terminology used in the present invention.
It is also intended in the present invention and the "an" of singular used in the attached claims, " described " and "the" including majority
Form, unless the context clearly indicates other meaning.It is also understood that term "and/or" used herein refers to and wraps
It may be combined containing one or more associated any or all of project listed.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the present invention
A little information should not necessarily be limited by these terms.These terms are only used to for same type of information being distinguished from each other out.For example, not departing from
In the case where the scope of the invention, negotiation information can also be referred to as the second information, and similarly, the second information, which can also be referred to as, assists
Quotient's information.Depending on context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determination ".
The embodiment of the present invention provides a kind of equipment detection method, and in this method, the first EVPN distributed network gate is sent out to equipment
When sending the probe requests message, including the mark of this gateway in the probe requests message.If the detection response message quilt that equipment is responded
It is hashing onto the 2nd EVPN distributed network gate, detection response message can be transmitted to the first EVPN distribution by the 2nd EVPN distributed network gate
Formula gateway.The mark and the mark phase of this gateway for the gateway that first EVPN distributed network gate includes in confirmation detection response message
Meanwhile determining the equipment for detecting lower extension.
It is with reference to the accompanying drawing and specific real in order to keep the purposes, technical schemes and advantages of the embodiment of the present invention clearer
It applies example and detailed description is executed to the embodiment of the present invention:
It referring to fig. 2, is the flow chart of equipment detection method provided in an embodiment of the present invention.The process is applied to the first EVPN
Distributed network gate.First EVPN distributed network gate and the 2nd EVPN distributed network gate striding equipment link aggregation, and under aggregation port
It is connected with equipment.
Here, the name that the first EVPN distributed network gate, the 2nd EVPN distributed network gate only carry out for ease of description,
It is not intended to limit.
As shown in Figure 1, Leaf110 and Leaf111 in Fig. 1 are EVPN distributed network gate, by DRNI technology realize across
Device link polymerization；Switching equipment 120 is the equipment connected under aggregation port.
Here, it should be noted that the equipment connected under aggregation port can also be host, server in addition to switching equipment
Deng this is not limited by the present invention.
As shown in Fig. 2, the process can comprise the following steps that
Step 201, the first EVPN distributed network gate sends the probe requests message for being used for detecting devices to equipment.
It include the mark of this gateway (the first EVPN distributed network gate) in the probe requests message.
Here, it should be noted that the mark of the first EVPN distributed network gate and the mark of the 2nd EVPN distributed network gate
It is different.
After detected equipment receives the probe requests message, detection response message is responded.Include in detection response message
With the mark of identical gateway in the probe requests message that receives.
For example, switching equipment 120 receives the probe requests thereby report for being used to detect this equipment of Leaf110 transmission in Fig. 1
Text includes the mark of Leaf110 in the probe requests message.When then switching equipment 120 responds detection response message, in probe response
It include the mark of Leaf110 in message.
Step 202, if receiving the detection response message of the 2nd EVPN distributed network gate forwarding, and in detection response message
Including gateway mark it is identical with the mark of this gateway, the first EVPN distributed network gate determine detects equipment.
If the detection response message that detected equipment is responded is hashing onto the 2nd EVPN distributed network gate, the 2nd EVPN distribution
Detection response message can be transmitted to the first EVPN distributed network gate by formula gateway.That is the first EVPN distributed network gate can receive to
The detection response message of two EVPN distributed network gates forwarding.
If the mark for the gateway for including in detection response message is identical as the mark of this gateway, illustrate the detection response message
It is the detection response message that detected equipment is responded based on the probe requests message that this gateway is sent, therefore, the first EVPN distribution
The determination of formula gateway detects the equipment.
So far, process shown in Fig. 2 is completed.
It can be seen that in embodiments of the present invention by process shown in Fig. 2, the first EVPN distributed network gate is sent to equipment
When the probe requests message, including the mark of this gateway in the probe requests message.If the detection response message that equipment is responded is breathed out
It wishes to the 2nd EVPN distributed network gate, it is distributed that detection response message can be transmitted to the first EVPN by the 2nd EVPN distributed network gate
Gateway.The mark for the gateway that first EVPN distributed network gate includes in confirmation detection response message is identical as the mark of this gateway
When, determination detects equipment.When being hashing onto the 2nd EVPN distributed network gate so as to avoid detection response message, the first EVPN
Distributed network gate can not detect the problem of equipment.
Optionally, as one embodiment, when the first EVPN distributed network gate receives detected equipment by aggregation port
The detection response message of transmission, and when identifying different from the mark of this gateway of the gateway for including in the detection response message, say
What bright first EVPN distributed network gate received is not that the probe requests message that detected equipment is sent for this gateway is responded
Detection response message.But due to the first EVPN distributed network gate and the 2nd EVPN distributed network gate gateway IP having the same
(therefore the first EVPN distributed network gate and the 2nd EVPN distributed network gate striding equipment link aggregation have for an EVPN gateway
Identical gateway IP), cause detection response message to be hashing onto the first EVPN distributed network gate.At this point, the first EVPN is distributed
The detection response message received is transmitted to the 2nd EVPN distributed network gate by formula gateway.
If the 2nd EVPN distributed network gate determines that the mark for the gateway for including in detection response message and the 2nd EVPN are distributed
The mark of formula gateway is identical, and explanation is the detection response message response to the 2nd EVPN distributed network gate, to make the 2nd EVPN
Distributed network gate detects equipment.
Optionally, as one embodiment, when the first EVPN distributed network gate receives detected equipment by aggregation port
The detection response message of transmission, and when identifying identical as the mark of this gateway of the gateway for including in the detection response message, say
What bright first EVPN distributed network gate received is the spy that detected equipment is responded for the probe requests message that this gateway is sent
Survey response message.Therefore, the first EVPN distributed network gate determination detects equipment.
Optionally, as one embodiment, the mark of gateway is carried in the probe requests message or detection response message
Identification field, i.e. Identification field in IP packet head.By carrying different marks in the field to distinguish not
Same EVPN distributed network gate.
For example, being identified as 0, the first EVPN distributed network gate is represented；It is identified as 1, represents the 2nd EVPN distributed network gate.If
The value of Identification field is 0 in the probe requests message, and explanation is that the detection that the first EVPN distributed network gate is sent is asked
Seek message；If the value of Identification field is 0 in detection response message, explanation is detected equipment response to first
The detection response message of EVPN distributed network gate.
It, can be according to the parity area of the mark carried in Identification field in a kind of optional embodiment
Divide EVPN distributed network gate.For example, representing the first EVPN distributed network gate when being identified as even number；When being identified as odd number, is represented
Two EVPN distributed network gates.If the value of Identification field is even number in the probe requests message, explanation is the first EVPN
The probe requests message that distributed network gate is sent；If the value of Identification field is even number in detection response message, say
Bright is detection response message of the detected equipment response to the first EVPN distributed network gate.
Optionally, as one embodiment, the mark of gateway is carried in the probe requests message or detection response message
Option (Option) field, the specific record carried in Option field route (Record Route) field.At this point, gateway
The device IP for being identified as EVPN distributed network gate.
Here, it should be noted that each EVPN distributed network gate is as independent equipment, with having respective IP
Location.For example, the device IP of the first EVPN distributed network gate is IP1, the device IP of the 2nd EVPN distributed network gate is IP2.
If the IP address of Record Route field record is IP1 in the probe requests message, explanation is the first EVPN distribution
The probe requests message that formula gateway is sent；If the IP address of Record Route field record is IP1 in detection response message, say
Bright is detection response message of the detected equipment response to the first EVPN distributed network gate.
Method provided in an embodiment of the present invention is described below by specific embodiment:
Still shown in Fig. 1 for the EVPN networking based on DRNI.
Wherein, Leaf110 and Leaf111 is EVPN distributed network gate, realizes striding equipment link aggregation based on DRNI technology；
Switching equipment 120 is connected under aggregation port.
Ping order is executed on Leaf110 detects switching equipment 120.
As an implementation, Leaf110 sends ICMP (Internet Control to switching equipment 120
Message Protocol, Internet Control Message Protocol) Request message (i.e. the probe requests message), in ICMP
The mark that the Identification field of Request message carries Leaf110 (is denoted as G1, for example, 0) G1 is.
After switching equipment receives ICMP Request message, respond ICMP Reply message (i.e. detection response message),
G1 is carried in the Identification field of ICMP Reply message.The purpose IP address of the ICMP Reply message is
Leaf110 and Leaf111 shared gateway IP, is denoted as IP12.The ICMP Reply message is hashing by switching equipment 120
Leaf111 is sent to Leaf111.
After Leaf111 receives ICMP Reply message by the aggregation port connecting with switching equipment 120, message is determined
Purpose IP address is the gateway IP (IP12) of itself, but the G1 of the Identification field carrying in ICMP Reply message
With the mark of itself (it is denoted as G2, for example, G2 is 1) difference, illustrates not to be the message response to oneself, therefore, will currently receive
ICMP Reply message be transmitted to Leaf110.
After Leaf110 receives the ICMP Reply message of Leaf111 forwarding, determine in ICMP Reply message
The G1 that Identification field carries is identical as the mark of itself, and explanation is the message response to oneself, accordingly, it is determined that visiting
Measure switching equipment 120.
As another embodiment, Leaf110 sends ICMP Request message to switching equipment 120, in ICMP
The Record Route field of Request message carries the device IP (being denoted as IP1) of Leaf110.
After switching equipment receives ICMP Request message, ICMP Reply message is responded, in ICMP Reply message
Record Route field carry IP1.The purpose IP address of the ICMP Reply message is IP12.The ICMP Reply message
Leaf111 is hashing by switching equipment 120.
After Leaf111 receives ICMP Reply message by the aggregation port connecting with switching equipment 120, message is determined
Purpose IP address is the gateway IP (IP12) of itself, but the IP1 of the Record Route field carrying in ICMP Reply message
It is different from itself device IP (being denoted as IP2), illustrate not to be the message response to oneself, therefore, by currently received ICMP
Reply message is transmitted to Leaf110.
After Leaf110 receives the ICMP Reply message of Leaf111 forwarding, determine in ICMP Reply message
The IP1 that Record Route field carries is identical as the device IP of itself, and explanation is the message response to oneself, accordingly, it is determined that
Detect switching equipment 120.
So far, the description to the present embodiment is completed.
Method provided in an embodiment of the present invention is described above, below to device provided in an embodiment of the present invention into
Row description:
It is the structural schematic diagram of device provided in an embodiment of the present invention referring to Fig. 3.The equipment detection device includes: to send
Unit 301 and determination unit 302, in which:
Transmission unit 301, for sending the probe requests message for detecting the equipment, the detection to the equipment
It include the mark of this gateway in request message, so that the spy that the equipment includes and receives in the detection response message of transmission
Survey the mark of identical gateway in request message；
Determination unit 302, if the detection response message for receiving the 2nd EVPN distributed network gate forwarding,
And the mark for the gateway in the detection response message including is identical with the mark of this gateway, determines and detects the equipment.
As one embodiment, the transmission unit 301 is rung if being also used to receive the detection by the aggregation port
Answer message, and mark, Xiang Suoshu twoth EVPN different from the mark of this gateway for the gateway for including in the detection response message
Distributed network gate forwards the detection response message.
As one embodiment, the determination unit 302 is rung if being also used to receive the detection by the aggregation port
Message is answered, and the mark for the gateway for including in the detection response message is identical as the mark of this gateway, determines described in detecting
Equipment.
As one embodiment, the mark of gateway is carried in the probe requests message or the identification field of detection response message.
As one embodiment, the device IP for being identified as EVPN distributed network gate of gateway is carried in the probe requests message
Or the record route field of detection response message.
So far, the description of Fig. 3 shown device is completed.
In the embodiment of the present invention, when the first EVPN distributed network gate sends the probe requests message to equipment, in probe requests thereby
It include the mark of this gateway in message.If the detection response message that equipment is responded is hashing onto the 2nd EVPN distributed network gate, the
Detection response message can be transmitted to the first EVPN distributed network gate by two EVPN distributed network gates.First EVPN distributed network gate exists
When the mark for the gateway for including in confirmation detection response message is identical as the mark of this gateway, the equipment for detecting lower extension is determined.
The foregoing is merely the preferred embodiments of the embodiment of the present invention, are not intended to limit the invention, all in this hair
Within the spirit and principle of bright embodiment, any modification, equivalent substitution, improvement and etc. done should be included in protection of the present invention
Within the scope of.
Claims (10)
1. a kind of equipment detection method is applied to the first EVPN distributed network gate, which is characterized in that the first EVPN is distributed
Gateway and the 2nd EVPN distributed network gate striding equipment link aggregation, and equipment is connected under aggregation port, wherein the first EVPN
The mark of distributed network gate is different with the mark of the 2nd EVPN distributed network gate, which comprises
The probe requests message for detecting the equipment is sent to the equipment, includes this gateway in the probe requests message
Mark so that the equipment include in the detection response message of transmission and the probe requests message that receives in identical net
The mark of pass；
If receiving the detection response message of the 2nd EVPN distributed network gate forwarding, and in the detection response message
Including gateway mark it is identical with the mark of this gateway, determine detect the equipment.
2. the method as described in claim 1, which is characterized in that the method also includes:
If receiving the detection response message, and the mark for the gateway for including in the detection response message by the aggregation port
Know, the Xiang Suoshu twoth EVPN distributed network gate forwarding detection response message different from the mark of this gateway.
3. the method as described in claim 1, which is characterized in that the method also includes:
If receiving the detection response message, and the mark for the gateway for including in the detection response message by the aggregation port
Knowledge is identical as the mark of this gateway, and determination detects the equipment.
4. the method as described in claim 1, which is characterized in that the mark of gateway is carried in the probe requests message or probe response
The identification field of message.
5. the method as described in claim 1, which is characterized in that the device IP for being identified as EVPN distributed network gate of gateway is taken
Band is in the probe requests message or the record route field of detection response message.
6. a kind of equipment detection device is applied to the first EVPN distributed network gate, which is characterized in that the first EVPN is distributed
Gateway and the 2nd EVPN distributed network gate striding equipment link aggregation, and equipment is connected under aggregation port, wherein the first EVPN
The mark of distributed network gate is different with the mark of the 2nd EVPN distributed network gate, and described device includes:
Transmission unit, for sending the probe requests message for detecting the equipment, the probe requests thereby report to the equipment
It include the mark of this gateway in text, so that the probe requests thereby that the equipment includes and receives in the detection response message of transmission
The mark of identical gateway in message；
Determination unit, if the detection response message for receiving the 2nd EVPN distributed network gate forwarding, and it is described
The mark for the gateway for including in detection response message is identical as the mark of this gateway, and determination detects the equipment.
7. device as claimed in claim 6, it is characterised in that:
The transmission unit, if being also used to receive the detection response message, and the probe response by the aggregation port
The mark for the gateway for including in message is different from the mark of this gateway, and the 2nd EVPN distributed network gate of Xiang Suoshu forwards the detection
Response message.
8. device as claimed in claim 6, it is characterised in that:
The determination unit, if being also used to receive the detection response message, and the probe response by the aggregation port
The mark for the gateway for including in message is identical as the mark of this gateway, and determination detects the equipment.
9. device as claimed in claim 6, which is characterized in that the mark of gateway is carried in the probe requests message or probe response
The identification field of message.
10. device as claimed in claim 6, which is characterized in that the device IP for being identified as EVPN distributed network gate of gateway is taken
Band is in the probe requests message or the record route field of detection response message.
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|---|---|---|---|
| CN201811344694.5A CN109474530A (en) | 2018-11-13 | 2018-11-13 | A kind of equipment detection method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811344694.5A CN109474530A (en) | 2018-11-13 | 2018-11-13 | A kind of equipment detection method and device |
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| CN109474530A true CN109474530A (en) | 2019-03-15 |
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| CN201811344694.5A Pending CN109474530A (en) | 2018-11-13 | 2018-11-13 | A kind of equipment detection method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023024867A1 (en) * | 2021-08-23 | 2023-03-02 | 中兴通讯股份有限公司 | Network diagnosis method for multi-chassis link aggregation networking and network access device |
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| US20050025144A1 (en) * | 2003-07-31 | 2005-02-03 | O'mahony Barry A. | Discovery technique for physical media interface aggregation |
| CN106899430A (en) * | 2016-12-09 | 2017-06-27 | 新华三技术有限公司 | A kind of flow method for processing forwarding and device |
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