CN104717380A - Switchboard, speech ciphering equipment, IP telephone system and speech ciphering equipment deployment method - Google Patents
Switchboard, speech ciphering equipment, IP telephone system and speech ciphering equipment deployment method Download PDFInfo
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- CN104717380A CN104717380A CN201510165492.4A CN201510165492A CN104717380A CN 104717380 A CN104717380 A CN 104717380A CN 201510165492 A CN201510165492 A CN 201510165492A CN 104717380 A CN104717380 A CN 104717380A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
Abstract
The invention relates to the communication technology. The invention aims at solving the problems that existing IP telephone deployment is complex and network maintenance cost is high and provides a switchboard, speech ciphering equipment, an IP telephone system and a speech ciphering equipment deployment method. According to the technical scheme, the switchboard comprises an information transceiving unit, a first information generating unit, a judgement processing unit and a port configuration unit and is used for generating and sending out LLDP information containing announcement network information and receiving LLDP information sent by other neighbour equipment, so that the aim of automatically deploying the IP telephone system is achieved. The switchboard has the beneficial effects that plug and play is realized, deployment is quick and convenient, and the switchboard is applicable to switchboards, speech ciphering equipment and IP telephone systems.
Description
Technical field
The present invention relates to the communication technology, particularly the technology of IP phone.
Background technology
Along with the development of voice communication technology, the application of IP phone is more and more extensive, in the network of large and medium-sized enterprise, especially often there are speech data and business datum two kinds of flows simultaneously.Audio data stream needs to have the priority higher than business data flow when transmitting, to reduce issuable time delay and packet loss phenomenon in transmitting procedure, avoid affecting speech quality.The method that current industry is comparatively general uses Voice vlan technology, by revising the priority of audio data stream, to ensure audio data stream prioritised transmission in a network, ensures speech quality.
According to the mode of operation of Voice VLAN, mainly contain two kinds of solutions at present:
1, manual mode, comprises the following steps:
A, on equipment, specify some VLAN to be Voice VLAN, and priority is set, be generally set to 5;
B, on equipment, configure the OUI (Organizationally Unique Identifier, organization unique identifier) of the IP phone of access network, be convenient to carry out VLAN two priority classes;
C, need connect IP phone port on open Voice functionality of vlan;
D, manually add Voice VLAN connecting the port of IP phone;
E, the port on audio data stream transmission path in whole network is all added VLAN corresponding to Voice VLAN (VirtualLocal Area Network, VLAN).
2, automatic mode, comprises the following steps:
A, on equipment, specify some VLAN to be Voice VLAN, and priority is set, be generally set to 5;
B, on equipment, configure the OUI of the IP phone of access network, be convenient to carry out VLAN two priority classes;
C, need connect IP phone port on open Voice functionality of vlan;
D, the port on voice transfer path in whole network is all added VLAN corresponding to Voice VLAN;
The port receiving this message is added Voice VLAN after receiving the message of OUI coupling of OUI and configuration by E, equipment automatically.
All there is following defect in above-mentioned two schemes:
1, need the manual port connecting IP phone opens Voice functionality of vlan; 2, the OUI of IP phone is needed to safeguard and manual configuration; 3, need according to the network planning, the port on audio data stream transmission path is all added VLAN corresponding to Voice VLAN.
Namely two kinds of current solutions all need loaded down with trivial details manual configuration.Which port user needs to pay close attention on and is connected with IP phone, determines to open Voice functionality of vlan the need of on these ports with this; The OUI information of IP phone in the necessary maintaining network of user, when interpolation or when removing IP phone, user needs the IP phone information understood in whole network, to determine whether to need newly-increased OUI to configure or configured by useless OUI to delete, to make full use of hardware OUI resource; User needs when network topology changes, and upgrades the port arrangement on audio data stream transmission path, ensures that voice flux transmits in exclusive VLAN.Above-mentioned 3 dynamic changes all needing user to pay close attention to network, to ensure the quality of voice call.This adds the complexity of IP telephony deployment and the cost of network operation greatly, especially complicated especially when large scale deployment.
LLDP (Link Layer Discovery Protocol, Link Layer Discovery Protocol) be the link layer protocol defined in IEEE 802.1ab standard, the Information Organization of local device is become TLV (Type/Length/Value by it, type/length/value), be encapsulated in LLDPDU (Link Layer Discovery Protocol Data Unit, Link Layer Discovery Protocol data cell) in send to direct-connected neighbor device, simultaneously also the LLDPDU received from neighbor device with standard mib (ManagementInformation Base, management information bank) form save.By LLDP, the information of oneself and directly-connected neighbor equipment can be preserved and manage to equipment, for network management system inquiry and the communication conditions judging link.
Summary of the invention
Object of the present invention is exactly overcome the complicated and shortcoming that network operation cost is higher of current IP telephony deployment, provides a kind of switch, speech ciphering equipment, IP telephony system and speech ciphering equipment dispositions method.
The present invention solves its technical problem, and the technical scheme of employing is, switch, comprises information transmit-receive unit, first information generation unit, judges processing unit and port arrangement unit,
Described information transmit-receive unit, for externally noticing the Link Layer Discovery Protocol LLDP information that first information generation unit generates, and for receiving the LLDP information that neighbor device sends;
Described first information generation unit, for generating LLDP information, described LLDP information at least comprises advertised network information, and whether the network comprising this switch place in described advertised network information has speech ciphering equipment and have its voice VLAN Voice vlan number in speech ciphering equipment situation;
Described judgement processing unit, for storing the LLDP information that also identifying information Transmit-Receive Unit receives, judge according to the LLDP information recognized and notify the Voice VLAN of port arrangement unit On/Off corresponding ports, or judge according to the LLDP information recognized and notify that port arrangement unit controls corresponding ports adds/exit corresponding VLAN;
Described port arrangement unit, for according to judging that the notice of processing unit controls corresponding ports and opens Voice VLAN according to pre-configured VoiceVLAN, or according to judging that the notice of processing unit closes the Voice VLAN of corresponding ports, or according to judging that corresponding ports joins in VLAN corresponding in notice by the notice of processing unit.
Concrete, described port arrangement unit is used for, the LLDP information that information transmit-receive unit receives if recognize is the LLDP information of certain neighbor device received first, then judge whether the neighbor device sending this LLDP information is speech ciphering equipment according to this LLDP information, in this way, then notify that port arrangement unit opens Voice VLAN, obtain the organization unique identifier OUI information of this speech ciphering equipment, this OUI information is set to hardware table item, otherwise continue to judge whether there is speech ciphering equipment in the advertised network information of this LLDP information, in this way, then notify that the port receiving this LLDP information joins in the VLAN that described in this LLDP information, Voice VLAN is corresponding by port arrangement unit automatically, otherwise do not process.
Concrete, described port arrangement unit is used for, the LLDP information that information transmit-receive unit receives if recognize is the LLDP information of certain neighbor device again received, then judge that whether the LLDP information that itself and the respective neighbours equipment stored before send is identical, in this way, then do not process, otherwise judge whether there is speech ciphering equipment in the advertised network in this LLDP information, if exist, the port receiving this LLDP information joins in the VLAN that described in this LLDP information, Voice VLAN is corresponding by notice port arrangement unit automatically, otherwise continue to judge whether this port of this switch current adds VLAN, if add VLAN, then notify that port arrangement unit controls corresponding ports exits this VLAN.
Further, described advertised network information is placed in the TLV field of LLDP information.
Further, this LLDP information of described identification refers to the TLV field identified in this LLDP information.
Concrete, the method for the OUI information of described this speech ciphering equipment of acquisition is: the OUI information extracting speech ciphering equipment from the MAC Address field of speech ciphering equipment.
Further, when there is speech ciphering equipment in the advertised network information in the described LLDP information received, first judge that described in this LLDP information, whether Voice VLAN ID is legal, just the port receiving this LLDP information is joined in the VLAN that described in this LLDP information, Voice VLAN is corresponding automatically time legal, otherwise do not process.
Speech ciphering equipment, comprises information transmitting unit and the second information generating unit,
Described information transmitting unit, for externally noticing the LLDP information that LLDP second information generating unit generates;
Described second information generating unit, for generating LLDP information, described LLDP information can make the neighbor device be connected with this speech ciphering equipment identify it for speech ciphering equipment.
Concrete, in the LLDP information of described generation, comprise the network strategy of this speech ciphering equipment, and be placed in TLV field.
IP telephony system, comprise at least one above-mentioned switch and at least two above-mentioned speech ciphering equipments, described switch and described speech ciphering equipment form ip voice network.
Speech ciphering equipment dispositions method, is applied to above-mentioned IP telephone system, it is characterized in that, comprise the following steps:
A, after the switch opening LLDP function in IP telephony system receives Link Layer Discovery Protocol LLDP information from neighbor device, store this LLDP information, and judge whether to receive first the LLDP information that this neighbor device sends, then enter step B in this way, otherwise enter step e;
According to this LLDP information, B, described switch judge whether the neighbor device sending this LLDP information is speech ciphering equipment, then enters step C in this way, otherwise enters step D;
C, described switch open Voice functionality of vlan on the port that it connects this speech ciphering equipment, obtain the OUI information of this speech ciphering equipment simultaneously, this OUI information is set to hardware table item, gets back to steps A;
D, described switch judge whether there is speech ciphering equipment in the advertised network in this LLDP information, if then the port receiving this LLDP information is joined in the VLAN that described in this LLDP information, Voice VLAN is corresponding automatically, get back to steps A, otherwise do not process, get back to steps A;
E, described switch judge that whether this LLDP information is identical with the LLDP information that the respective neighbours equipment stored before sends, then do not process in this way, otherwise judge whether there is speech ciphering equipment in the advertised network in this LLDP information, then the port receiving this LLDP information is joined in the VLAN that described in this LLDP information, Voice VLAN is corresponding automatically in this way, get back to steps A, otherwise continue to judge whether this port of this switch current adds VLAN, if add VLAN, then exit this VLAN, otherwise do not process, get back to steps A.
The invention has the beneficial effects as follows, by above-mentioned switch, speech ciphering equipment, IP telephony system and speech ciphering equipment dispositions method, achieve the function automatically adding the port on voice flow transmission path or exit the corresponding VLAN of Voice VLAN, Voice functionality of vlan on automatic switch switch ports themselves, exempt loaded down with trivial details manual configuration, raise the efficiency, automatic interpolation or deletion OUI, make full use of hardware resource, avoid the waste of hardware OUI list item, without the need to being concerned about the OUI information of IP phone, realizing plug and play, disposing efficient and convenient.
Accompanying drawing explanation
Fig. 1 is the system block diagram of switch in the embodiment of the present invention.
Fig. 2 is the system block diagram of speech ciphering equipment in the embodiment of the present invention.
Fig. 3 is the system block diagram of IP telephony system in the embodiment of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, describe technical scheme of the present invention in detail.
Switch of the present invention, comprise information transmit-receive unit, first information generation unit, judge processing unit and port arrangement unit, described information transmit-receive unit, for externally noticing the Link Layer Discovery Protocol LLDP information that first information generation unit generates, and for receiving the LLDP information that neighbor device sends; Described first information generation unit, for generating LLDP information, described LLDP information at least comprises advertised network information, and whether the network comprising this switch place in described advertised network information has speech ciphering equipment and have its voice VLAN Voice vlan number in speech ciphering equipment situation; Described judgement processing unit, for storing the LLDP information that also identifying information Transmit-Receive Unit receives, judge according to the LLDP information recognized and notify the Voice VLAN of port arrangement unit On/Off corresponding ports, or judge according to the LLDP information recognized and notify that port arrangement unit controls corresponding ports adds/exit corresponding VLAN; Described port arrangement unit, for according to judging that the notice of processing unit controls corresponding ports and opens Voice VLAN according to pre-configured Voice VLAN, or according to judging that the notice of processing unit closes the Voice VLAN of corresponding ports, or according to judging that corresponding ports joins in VLAN corresponding in notice by the notice of processing unit.
Speech ciphering equipment of the present invention, comprises information transmitting unit and the second information generating unit, described information transmitting unit, for externally noticing the LLDP information that LLDP second information generating unit generates; Described second information generating unit, for generating LLDP information, described LLDP information can make the neighbor device be connected with this speech ciphering equipment identify it for speech ciphering equipment.
IP telephony system of the present invention, comprise at least one above-mentioned switch and at least two above-mentioned speech ciphering equipments, switch and speech ciphering equipment form ip voice network.
Speech ciphering equipment dispositions method of the present invention, be applied to above-mentioned IP telephone system, first in speech network, all switches all open LLDP function, make each switch externally can notice self LLDP information and the LLDP information that sends of process neighbor device, and Voice VLAN is configured on the switch be directly connected with speech ciphering equipment, and all speech ciphering equipments all open LLDP function in speech network, externally can notice self LLDP information, make neighbor device can identify it for speech ciphering equipment, then after certain switch receives LLDP information, store and identify this LLDP information, judge whether to receive first the LLDP information that this neighbor device sends, if receive the LLDP information that this neighbor device sends first, judge whether the neighbor device sending this LLDP information is speech ciphering equipment according to this LLDP information, if speech ciphering equipment then this switch opens Voice functionality of vlan on the port that it connects this speech ciphering equipment, obtain the OUI information of this speech ciphering equipment simultaneously, this OUI information is set to hardware table item, this has processed, otherwise this LLDP information of this switch identification, judge whether there is speech ciphering equipment in the advertised network in this LLDP information, if exist, the port receiving this LLDP information is joined automatically in the VLAN that described in this LLDP information, Voice VLAN is corresponding, this has processed, otherwise do not process, this has processed.If if switch recognizes the LLDP information that LLDP information that information transmit-receive unit receives is certain neighbor device again received, judge that whether this LLDP information is identical with the LLDP information that the respective neighbours equipment stored before sends, if then do not process, if not then judge whether to receive first the LLDP information that this neighbor device sends, if not receive the LLDP information that this neighbor device sends first, then this LLDP information of this switch identification, judge whether there is speech ciphering equipment in the advertised network in this LLDP information, if exist, the port receiving this LLDP information is joined automatically in the VLAN that described in this LLDP information, Voice VLAN is corresponding, this has processed, otherwise continue to judge whether this port of this switch current adds VLAN, if add VLAN, then exit this VLAN, otherwise do not process,
Embodiment
Switch in the embodiment of the present invention, its system block diagram as shown in Figure 1, comprise information transmit-receive unit, first information generation unit, judge processing unit and port arrangement unit, wherein, LLDP information transmit-receive unit is used for externally noticing LLDP information that first information generation unit generates and receives the LLDP information that neighbor device sends; First information generation unit is for generating the LLDP information of this switch, the LLDP information of described switch at least comprises advertised network information, and whether the network comprising this switch body place in advertised network information has speech ciphering equipment and have its Voice vlan number in speech ciphering equipment situation; Judge that processing unit is for storing and identifying the LLDP information that LLDP information transmit-receive unit receives, judge according to the LLDP information recognized and notify the Voice VLAN of port arrangement unit On/Off corresponding ports, or judge according to the LLDP information recognized and notify that port arrangement unit controls corresponding ports adds/exit corresponding VLAN; Port arrangement unit is used for according to judging that the notice of processing unit controls corresponding ports and opens Voice VLAN according to pre-configured Voice VLAN, or according to judging that the notice of processing unit closes the Voice VLAN of corresponding ports, or according to judging that corresponding ports joins in VLAN corresponding in notice by the notice of processing unit.
Here, judge according to the LLDP information recognized and notify the VoiceVLAN of port arrangement unit On/Off corresponding ports, or to judge according to the LLDP information recognized and to notify that port arrangement unit controls corresponding ports adds/exits corresponding VLAN and refers to: if the LLDP information that LLDP information transmit-receive unit receives is the LLDP information of certain neighbor device received first, then judge whether the neighbor device sending this LLDP information is speech ciphering equipment according to this LLDP information, if when this neighbor device is speech ciphering equipment, notice port arrangement unit opens Voice VLAN, obtain the OUI information of this speech ciphering equipment, this OUI information is set to hardware table item, if this speech ciphering equipment is extracted from this port, then notify that port arrangement unit closes the VoiceVLAN of this port, delete the OUI information in hardware table item, if when this neighbor device is not speech ciphering equipment, then continue to judge whether there is speech ciphering equipment in the advertised network information in this LLDP information, if exist, the port receiving this LLDP information joins in the VLAN that described in this LLDP information, Voice VLAN is corresponding by notice port arrangement unit automatically, otherwise do not process, if LLDP information is the LLDP information of certain neighbor device again received, then judge that whether the LLDP information that itself and the respective neighbours equipment stored before send is identical, identical, do not process, if not identical, judge whether there is speech ciphering equipment in the advertised network in this LLDP information, if exist, the port receiving this LLDP information joins in the VLAN that described in this LLDP information, Voice VLAN is corresponding by notice port arrangement unit automatically, otherwise continue to judge whether this port of this switch current adds VLAN, if add VLAN, then notify that port arrangement unit controls corresponding ports exits this VLAN.
In addition, this advertised network information is placed in the TLV field of LLDP information, then identify that this LLDP information refers to the TLV field identified in this LLDP information, and the method obtaining the OUI information of this speech ciphering equipment is: the OUI information extracting speech ciphering equipment from the MAC Address field of speech ciphering equipment.When there is speech ciphering equipment in the advertised network information in the LLDP information received, first can judge that described in this LLDP information, whether Voice VLAN ID is legal, just the port receiving this LLDP information is joined in the VLAN that described in this LLDP information, Voice VLAN is corresponding automatically time legal, otherwise do not process.Because the LLDP related in the embodiment of the present invention is the link layer protocol defined in IEEE 802.1ab standard, therefore first introduce in existing LLDP agreement and specify, and in the neighbor information specified in existing LLDP agreement, allow the basic TLV type of encapsulation as shown in table 1:
The basic TLV type encapsulated is allowed in the neighbor information specified in table 1 existing LLDP agreement
In the TLV type that table 1 describes, 127 types are used for each tissue and carry out expanded definition, can define subType, then in the embodiment of the present invention, newly-increased TLV form is as shown in table 2:
TLV field is expanded in table 2 127 type
In table 2, each explanation of field is as follows:
TLV type=127 represents the TLV type of expanded definition, and this field is 7 bits.
TLV information string length, represent TLV message length, this field is 9 bits.
OUI, represent the tissue of newly-increased TLV field, value is 00-01-71, and this field length is 3 bytes.
Subtype, represent newly-increased TLV subtype, value is 1, and length is 1 byte.
Voice device status field, represent speech ciphering equipment state in network, length is 1 byte, and the implication of concrete each bit is as shown in table 3:
Each bit function and implication in table 3 voice device status
In addition, voice vlan id field in table 2, represent Voice VLAN ID in network, length is 2 bytes.
Speech ciphering equipment in the embodiment of the present invention, its system block diagram, see Fig. 2, comprises information transmitting unit and the second information generating unit, and wherein, information transmitting unit is used for the LLDP information that externally notice the second information generating unit generates; Second information generating unit is for generating the LLDP information of this speech ciphering equipment, and described LLDP information can make the neighbor device be connected with this speech ciphering equipment body identify it for speech ciphering equipment.
Here, speech ciphering equipment can be IP phone body or ip voice ontology server, and it generates in the LLDP information of this speech ciphering equipment, comprises the network strategy of this speech ciphering equipment, is placed in TLV field.
IP telephony system in the embodiment of the present invention, comprise at least one above-mentioned switch and at least two above-mentioned speech ciphering equipments, switch and speech ciphering equipment form voice networking, and its system block diagram is see Fig. 3.
During the application of this IP telephony system, specifically comprise the following steps:
In step 1, speech network, all switches all open LLDP function, make each switch externally can notice self LLDP information and the LLDP information that sends of process neighbor device, and configure Voice VLAN on the switch be directly connected with speech ciphering equipment;
In step 3, speech network, all speech ciphering equipments all open LLDP function, externally can notice self LLDP information, make neighbor device can identify it for speech ciphering equipment;
Step 4, after certain switch receives LLDP information, store and identify this LLDP information, judging whether to receive first the LLDP information that this neighbor device sends, if then enter step 6, if not then enter step 5;
Step 5, judge that whether this LLDP information is identical with the LLDP information that the respective neighbours equipment stored before sends, if then do not process, if not then enter step 9;
Step 6, judge to send whether the neighbor device of this LLDP information is speech ciphering equipment according to this LLDP information, if speech ciphering equipment then enters step 7, otherwise enter step 8;
Step 7, this switch open Voice functionality of vlan on the port that it connects this speech ciphering equipment, obtain the OUI information of this speech ciphering equipment simultaneously, this OUI information is set to hardware table item, gets back to step 4;
Step 8, this LLDP information of this switch identification, judge whether there is speech ciphering equipment in the advertised network in this LLDP information, if exist, the port receiving this LLDP information is joined automatically in the VLAN that described in this LLDP information, Voice VLAN is corresponding, get back to step 4, otherwise do not process, get back to step 4;
Step 9, this LLDP information of this switch identification, judge whether there is speech ciphering equipment in the advertised network in this LLDP information, if exist, the port receiving this LLDP information is joined automatically in the VLAN that described in this LLDP information, Voice VLAN is corresponding, get back to step 4, otherwise continue to judge whether this port of this switch current adds VLAN, if add VLAN, then exit this VLAN, otherwise do not process, get back to step 4.
Below for network scenarios shown in Fig. 3, introduce in the embodiment of the present invention embodiment realizing IP phone rapid deployment in detail.As shown in Figure 1, phone 1 is communicated with phone 2 by switch 4, switch 2, switch 5, phone 1 is communicated with voice server by switch 4, switch 2, switch 1, the signal intelligence of the communication process of the communication process between other phones and phone and voice server and above-mentioned phone 1, phone 3 and voice server is similar, follow-uply repeats no more.The present invention is introduced below for switch 4.
The processing method of switch 4 when receiving the LLDP information that neighbor device sends is as follows:
Switch 4, by port 2, can receive the LLDP information sent as neighbours' speech ciphering equipment phone 1.According to the definition of LLDP agreement to each field of LLDP message, the facility information of switch 4 headphone 1, identify neighbours according to network strategy field is speech ciphering equipments simultaneously.Upgrade the voice neighbours number of the port, corresponding number adds 1 simultaneously.When on port 2, neighbor information changes, if neighbours are not speech ciphering equipment, need the voice neighbours number upgrading the port, corresponding number subtracts 1.After switch 4 finds voice neighbor device on port, will automatically open the Voice functionality of vlan of this port, OUI list item will be set simultaneously.When port no longer existing voice neighbor device, will automatically close the Voice functionality of vlan of this port, deleting OUI list item simultaneously.The LLDP information mode that the direct-connected speech ciphering equipment of port process (comprising IP phone and ip voice server) of other switches is noticed is consistent with the mode that the port 2 of switch 4 processes the neighbor information received.
Switch 4, by its port one, can receive the LLDP information sent as neighbor device switch 2.According to the definition of LLDP agreement to each field of LLDP message, switch 4 records the facility information of switch 2, simultaneously according to the TLV information expanded in neighbor information, obtain and record switch 2 place network whether there is the information of speech ciphering equipment and the VoiceVLAN ID of switch 2 place network.When the LLDP neighbor information that switch 2 sends changes, whether the facility information, the switch 2 place network that upgrade the switch 2 stored according to the LLDP neighbor information before and after change exist the information of speech ciphering equipment and the Voice VLAN ID of switch 2 place network.When pbx switch 2 place network exists speech ciphering equipment and the Voice VLAN ID of switch 2 place network is legal, automatically port one is added the VLAN that the Voice VLAN of switch 2 place network is corresponding.When pbx switch 2 place network is when the Voice VLAN ID of speech ciphering equipment or switch 2 place network is not illegal, the VLAN added before automatically port one being exited.The LLDP neighbor information mode that the port process neighbor switch devices of other switches is noticed is consistent with the mode of the neighbor information that the port one process of switch 4 receives.
Processing method during the LLDP information that switch 4 sends is as follows:
When there is speech ciphering equipment in switch place network, and Voice VLAN corresponding to network legal time, TLV field (corresponding advertised network information) will be expanded in filling LLDP neighbor information, voice device status is 1, Voice VLAN id field is the Voice VLAN ID that this equipment place network is corresponding.Judge whether this equipment place network exists the mode of speech ciphering equipment as follows, other ports checking successively except the port whether there is voice neighbor device or whether network that port networks exists speech ciphering equipment.As long as have in other ports a port exist voice neighbor device or the network that networks there is speech ciphering equipment, then think that this equipment place network exists speech ciphering equipment.Switch 4 periodically externally can notice self information, simultaneously when port status change, and also can the port notice LLDP information of advertised states change at once.
Mutual by above-mentioned LLDP information, the port of direct-connected voice neighbor device will complete unlatching or the closedown of Voice functionality of vlan, the automatic interpolation of OUI or deletion automatically; Audio data stream transmission path upper port automatically adds or exits VLAN corresponding to Voice VLAN.Like this when network large scale deployment, user just can be concerned about the OUI information of speech ciphering equipment, also need not be concerned about which port speech ciphering equipment is connected on, also without the need to manual, port on voice data transmission path manually be added VLAN corresponding to Vocie VLAN simultaneously.Eliminate loaded down with trivial details manual configuration, be conducive to the rapid deployment of IP phone and the maintenance in later stage.
Claims (10)
1. switch, is characterized in that, comprises information transmit-receive unit, first information generation unit, judges processing unit and port arrangement unit,
Described information transmit-receive unit, for externally noticing the Link Layer Discovery Protocol LLDP information that first information generation unit generates, and for receiving the LLDP information that neighbor device sends;
Described first information generation unit, for generating LLDP information, described LLDP information at least comprises advertised network information, and whether the network comprising this switch place in described advertised network information has speech ciphering equipment and have its voice VLAN Voice vlan number in speech ciphering equipment situation;
Described judgement processing unit, for storing the LLDP information that also identifying information Transmit-Receive Unit receives, judge according to the LLDP information recognized and notify the Voice VLAN of port arrangement unit On/Off corresponding ports, or judge according to the LLDP information recognized and notify that port arrangement unit controls corresponding ports adds/exit corresponding VLAN;
Described port arrangement unit, for according to judging that the notice of processing unit controls corresponding ports and opens Voice VLAN according to pre-configured VoiceVLAN, or according to judging that the notice of processing unit closes the Voice VLAN of corresponding ports, or according to judging that corresponding ports joins in VLAN corresponding in notice by the notice of processing unit.
2. switch as claimed in claim 1, it is characterized in that, described port arrangement unit is used for, the LLDP information that information transmit-receive unit receives if recognize is the LLDP information of certain neighbor device received first, then judge whether the neighbor device sending this LLDP information is speech ciphering equipment according to this LLDP information, in this way, then notify that port arrangement unit opens Voice VLAN, obtain the organization unique identifier OUI information of this speech ciphering equipment, this OUI information is set to hardware table item, otherwise continue to judge whether there is speech ciphering equipment in the advertised network information of this LLDP information, in this way, then notify that the port receiving this LLDP information joins in the VLAN that described in this LLDP information, Voice VLAN is corresponding by port arrangement unit automatically, otherwise do not process.
3. switch as claimed in claim 1 or 2, it is characterized in that, described port arrangement unit is used for, the LLDP information that information transmit-receive unit receives if recognize is the LLDP information of certain neighbor device again received, then judge that whether the LLDP information that itself and the respective neighbours equipment stored before send is identical, in this way, then do not process, otherwise judge whether there is speech ciphering equipment in the advertised network in this LLDP information, if exist, the port receiving this LLDP information joins in the VLAN that described in this LLDP information, Voice VLAN is corresponding by notice port arrangement unit automatically, otherwise continue to judge whether this port of this switch current adds VLAN, if add VLAN, then notify that port arrangement unit controls corresponding ports exits this VLAN.
4. switch as claimed in claim 1, it is characterized in that, described advertised network information is placed in the TLV field of LLDP information.
5. switch as claimed in claim 2, it is characterized in that, the method for the OUI information of described this speech ciphering equipment of acquisition is: the OUI information extracting speech ciphering equipment from the MAC Address field of speech ciphering equipment.
6. speech ciphering equipment, is characterized in that, comprises information transmitting unit and the second information generating unit,
Described information transmitting unit, for externally noticing the LLDP information that LLDP second information generating unit generates;
Described second information generating unit, for generating LLDP information, described LLDP information can make the neighbor device be connected with this speech ciphering equipment identify it for speech ciphering equipment.
7. speech ciphering equipment as claimed in claim 6, is characterized in that, comprise the network strategy of this speech ciphering equipment, and be placed in TLV field in the LLDP information of described generation.
8.IP telephone system, is characterized in that, comprise at least one switch as described in claim 1 to 5 any one and at least two speech ciphering equipments as described in claim 7 to 8 any one, described switch and speech ciphering equipment form ip voice network.
9. speech ciphering equipment dispositions method, is applied to above-mentioned IP telephone system, it is characterized in that, comprise the following steps:
A, after the switch opening LLDP function in IP telephony system receives Link Layer Discovery Protocol LLDP information from neighbor device, store this LLDP information, and judge whether to receive first the LLDP information that this neighbor device sends, then enter step B in this way, otherwise enter step e;
According to this LLDP information, B, described switch judge whether the neighbor device sending this LLDP information is speech ciphering equipment, then enters step C in this way, otherwise enters step D;
C, described switch open Voice functionality of vlan on the port that it connects this speech ciphering equipment, obtain the OUI information of this speech ciphering equipment simultaneously, this OUI information is set to hardware table item, gets back to steps A;
D, described switch judge whether there is speech ciphering equipment in the advertised network in this LLDP information, if then the port receiving this LLDP information is joined in the VLAN that described in this LLDP information, Voice VLAN is corresponding automatically, get back to steps A, otherwise do not process, get back to steps A;
E, described switch judge that whether this LLDP information is identical with the LLDP information that the respective neighbours equipment stored before sends, then do not process in this way, otherwise judge whether there is speech ciphering equipment in the advertised network in this LLDP information, then the port receiving this LLDP information is joined in the VLAN that described in this LLDP information, Voice VLAN is corresponding automatically in this way, get back to steps A, otherwise continue to judge whether this port of this switch current adds VLAN, if add VLAN, then exit this VLAN, otherwise do not process, get back to steps A.
10. speech ciphering equipment dispositions method as claimed in claim 9, it is characterized in that, in described step B, the method whether described switch is speech ciphering equipment according to the neighbor device that this LLDP information judges to send this LLDP information is, after the LLDP message that the neighbor device that described switch receives this LLDP information of transmission sends, by identifying that the network strategy being placed in TLV field judges whether this neighbor device is speech ciphering equipment.
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| CN104717380B (en) | 2017-06-27 |
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