CN106254251A - A kind of RI-Pro method and device - Google Patents
A kind of RI-Pro method and device Download PDFInfo
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- CN106254251A CN106254251A CN201610727409.2A CN201610727409A CN106254251A CN 106254251 A CN106254251 A CN 106254251A CN 201610727409 A CN201610727409 A CN 201610727409A CN 106254251 A CN106254251 A CN 106254251A
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- routing iinformation
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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
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Abstract
The present invention provides a kind of RI-Pro method and device, described method includes: when determine core equipment due to External BGP ebgp neighbor restart and enter Graceful Restart move GR time, aging labelling is set for the routing iinformation that described ebgp neighbor is corresponding, and refuses to delete the routing iinformation that described ebgp neighbor is corresponding；When again receiving routing iinformation corresponding to described ebgp neighbor in preset duration, delete the aging labelling of routing iinformation corresponding to described ebgp neighbor.The application embodiment of the present invention can avoid forwarding service on the R equipment that core equipment causes when restarting due to ebgp neighbor and enter GR to interrupt.
Description
Technical field
The present invention relates to network communication technology field, particularly relate to a kind of RI-Pro method and device.
Background technology
SDN (Software Defined Network, software defined network) is a kind of novel network architecture, is network
Virtualized a kind of implementation, its core concept is network device control plane to be separated with datum plane, thus real
The flexible control of existing network traffics, makes network become more intelligent as pipeline.
In a kind of common SDN, equipment BGP (Border Gateway Protocol, Border Gateway Protocol)
BMP (BGP is set up between Controller (controller) (hereinafter referred to as Controller) and core equipment (nucleus equipment)
Monitoring Protocol, BGP monitoring protocol) session, monitor all core equipment and exterior I SP by BMP agreement
EBGP (the External set up between (Internet Service Provider, ISP) equipment
Border Gateway Protocol, External BGP) session, between all devices in Controller and territory
(a kind of network based on XML (Extensible Markup Language, extensible markup language) is joined all to configure Netconf
Put) connect, inject route by Netconf agreement.BGP GR (Graceful through consultation between core equipment and ISP equipment
Restart, Graceful Restart moves) ability ensures to control to forward when plane occurs abnormal not interrupt.
But practice finds, in above-mentioned SDN, when ISP equipment control plane is restarted, core equipment can be by EBGP
Neighbours' (i.e. ISP equipment) Down (disconnection) notify to Controller, and then Controller can delete this ebgp neighbor information
And the routing iinformation that this ebgp neighbor is corresponding, and notify that R equipment (a kind of switching equipment) deletion in user network is correlated with
Forwarding-table item, thus cause the forwarding service on R equipment to interrupt.
Summary of the invention
The present invention provides a kind of RI-Pro method and device, with solve in prior art when core equipment due to
BEGP neighbours can cause the problem that the forwarding service of R equipment interrupts when restarting and enter GR.
First aspect according to embodiments of the present invention, it is provided that a kind of RI-Pro method, is applied to include controller
In the software defined network SDN of Controller, user kernel equipment core equipment and switching equipment R equipment
Setting up BGP monitoring protocol BMP session between Controller, described Controller and described core equipment, the method includes:
When determining core equipment to restart due to ebgp neighbor and to enter GR, for the routing iinformation that described ebgp neighbor is corresponding
Aging labelling is set, and refuses to delete the routing iinformation that described ebgp neighbor is corresponding；
When again receiving routing iinformation corresponding to described ebgp neighbor in preset duration, delete described ebgp neighbor
The aging labelling of corresponding routing iinformation.
Second aspect according to embodiments of the present invention, it is provided that a kind of RI-Pro device, is applied to include controller
In the software defined network SDN of Controller, user kernel equipment core equipment and switching equipment R equipment
BGP monitoring protocol BMP session, described device bag is set up between Controller, described Controller and described core equipment
Include:
Determine unit, be used for determining that core equipment is restarted due to ebgp neighbor and entered GR；
Unit is set, for ought described determine External BGP ebgp neighbor that unit determines on core equipment by
In opposite equip. reboot into Graceful Restart move GR time, for the routing iinformation that described ebgp neighbor is corresponding, aging labelling is set；
Delete unit, for when again receiving routing iinformation corresponding to described ebgp neighbor in preset duration, deleting
Aging labelling except routing iinformation corresponding to described ebgp neighbor.
The application embodiment of the present invention, when determining core equipment to restart due to ebgp neighbor and to enter GR, adjacent for this EBGP
Occupy corresponding routing iinformation and aging labelling is set, and refuse to delete the routing iinformation that this ebgp neighbor is corresponding, and then, when presetting
When again receiving routing iinformation corresponding to this ebgp neighbor in duration, delete the aging of routing iinformation corresponding to this ebgp neighbor
Labelling, it is to avoid on the R equipment caused when core equipment is restarted due to ebgp neighbor and entered GR, forwarding service interrupts.
Accompanying drawing explanation
Fig. 1 is the network architecture schematic diagram of a kind of RI-Pro that the embodiment of the present invention provides；
Fig. 2 is the schematic flow sheet of a kind of RI-Pro method that the embodiment of the present invention provides；
Fig. 3 is the configuration diagram of a kind of concrete application scenarios that the embodiment of the present invention provides；
Fig. 4 is the structural representation of a kind of RI-Pro device that the embodiment of the present invention provides.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the embodiment of the present invention, and make the present invention real
Execute the above-mentioned purpose of example, feature and advantage can become apparent from understandable, below in conjunction with the accompanying drawings to technical side in the embodiment of the present invention
Case is described in further detail.
The network architecture being the most first suitable for the embodiment of the present invention is described.
Refer to the network architecture schematic diagram of a kind of RI-Pro that Fig. 1, Fig. 1 provide for the embodiment of the present invention, as
Shown in Fig. 1, this network architecture is applicable to include Controller, core equipment and the SDN of R equipment, Controller
And set up BMP session between core equipment.
In this network architecture, when core equipment is restarted due to ebgp neighbor and entered GR, core equipment can be to
Controller sends neighbours and disconnects notification message, and disconnects these neighbours and carry neighbours in notification message and disconnect reason (i.e.
Core equipment is owing to ebgp neighbor is restarted and enters GR)；Controller determines that Core equipment enters GR due to ebgp neighbor
Time, Controller can be that the routing iinformation that this ebgp neighbor is corresponding arranges aging labelling, and refuse to delete this ebgp neighbor
Corresponding routing iinformation, does not the most delete the routing iinformation that this ebgp neighbor is corresponding, and when at preset duration (i.e. this ebgp neighbor pair
The aging duration of the routing iinformation answered, can determine according to concrete scene) again receive the route letter that this ebgp neighbor is corresponding
During breath, delete the aging labelling of routing iinformation corresponding to this ebgp neighbor, thus avoid core equipment due to ebgp neighbor weight
The R device forwards service disconnection caused when opening and enter GR.
It should be noted that in embodiments of the present invention, if non-specified otherwise, ebgp neighbor mentioned in this article refer both to by
The ebgp neighbor of the core equipment of Controller monitoring.
Based on the network architecture shown in Fig. 1, a kind of RI-Pro method that the embodiment of the present invention provides, refer to figure
2, the schematic flow sheet of a kind of RI-Pro method provided for the embodiment of the present invention, as in figure 2 it is shown, the method can be wrapped
Include following steps:
It should be noted that the executive agent of step 201～step 202 can be in the network architecture shown in Fig. 1
The processor of Controller or Controller, such as CPU (Center Process Unit, CPU), for ease of
Illustrate, be described as a example by the executive agent of step 201～step 202 is as Controller below.
Step 201, when determining core equipment to restart due to ebgp neighbor and to enter GR, for the route that ebgp neighbor is corresponding
Information arranges aging labelling, and refuses to delete the routing iinformation that this ebgp neighbor is corresponding.
In the embodiment of the present invention, due in bgp protocol, if after two equipment have consulted successfully BGP GR ability, then when
When wherein an equipment is restarted, it is believed that these two equipment all enter GR, wherein, this equipment restarted
Being properly termed as GR restarter (agreement reboot event occurs and has the equipment of GR ability) side, another equipment then can claim
For GR helper (there is neighborhood with GR Restarter) side.
Correspondingly, in embodiments of the present invention, if core equipment and outside network device are (such as ISP equipment, below with ISP
As a example by equipment) BGP GR ability through consultation of setting up between ebgp neighbor, and core equipment and ISP equipment ensures to control plane
Forward when occurring abnormal and do not interrupt, then, when ISP equipment control plane is restarted, core equipment can be restarted due to ebgp neighbor and enter
Entering GR, now, core equipment can send neighbours to Controller and disconnect notification message, and disconnects notification message these neighbours
In carry neighbours and disconnect reason (i.e. EBPG neighbours are restarted).
Controller determines when core equipment is restarted due to ebgp neighbor (such as above-mentioned ISP equipment) and entered GR,
Controller can not delete the routing iinformation that this ebgp neighbor is corresponding, but is the routing iinformation that this ebgp neighbor is corresponding
Aging labelling is set.The routing iinformation that this ebgp neighbor is corresponding is not deleted due to Controller, thus, Controller is the most not
Need to send route deletion information to R equipment, R equipment need not delete relevant list item, it is to avoid service disconnection.
As the optional embodiment of one, in embodiments of the present invention, determine that core equipment is restarted due to ebgp neighbor
And enter GR, may include that
Receive Peer Down (neighbours' disconnection) message that core equipment sends, and this Peer Down message carries
Reason (type) is that core equipment is restarted due to ebgp neighbor and entered GR.
In this embodiment, the Peer Down message in BMP agreement can be improved, newly-increased a kind of Reason
Type, this newly-increased Reason (such as 32768) be used for identifying neighbours disconnect reason be core equipment due to ebgp neighbor restart into
Enter GR.
Correspondingly, in this embodiment, when core equipment is restarted due to ebgp neighbor and entered GR, core equipment can
To send Peer Down message to Controller, this Peer Down message carries above-mentioned newly-increased Reason type, thus,
After Controller receives this Peer Down message, it may be determined that the appointment ebgp neighbor of core equipment has carried out GR,
Controller can be that the routing iinformation that this ebgp neighbor is corresponding arranges aging labelling.
Step 202, when again receiving routing iinformation corresponding to ebgp neighbor in preset duration, delete this EBGP adjacent
Occupy the aging labelling of corresponding routing iinformation.
In the embodiment of the present invention, restart when ISP equipment completes to control plane, again set up ebgp neighbor also with core equipment
When noticing routing iinformation, routing iinformation corresponding for above-mentioned ebgp neighbor can be resend to Controller by core equipment.
Correspondingly, in preset duration, again receive, when Controller, the routing iinformation that above-mentioned ebgp neighbor is corresponding
Time, Controller can delete the aging labelling of routing iinformation corresponding to this ebgp neighbor.
Wherein, this preset duration is the time that ebgp neighbor completes needed for GR, and this time can join the most in advance
Put in Controller, it is also possible to by core equipment real-time informing to Controller.
As the optional embodiment of one, in embodiments of the present invention, Peer Down message can also carry EBGP
The GR waiting time of neighbours；
Correspondingly, in above-mentioned steps 201, after for the routing iinformation that ebgp neighbor is corresponding, aging labelling is set, it is also possible to
Including:
The routing iinformation corresponding for ebgp neighbor arranges ageing timer, and the timing length of this ageing timer is above-mentioned
The GR waiting time of ebgp neighbor.
Correspondingly, in above-mentioned steps 202, when again receiving the routing iinformation that ebgp neighbor is corresponding in preset duration,
Delete the aging labelling of routing iinformation corresponding to ebgp neighbor, may include that
When again receiving route corresponding to ebgp neighbor before ageing timer time-out, delete this ebgp neighbor corresponding
The aging labelling of routing iinformation.
In this embodiment, can transform the Peer Down message of BMP agreement further, this is improved
Peer Down message is in addition to can including above-mentioned newly-increased Reason type, it is also possible to when carrying the GR wait of ebgp neighbor
Between, for example, it is possible to the value of a newly-increased int type after the reason field of Peer Down message, this value is used for identifying EBGP
The GR waiting time of neighbours.
Correspondingly, when Controller receives the Peer Down message that core equipment sends, can be corresponding
The routing iinformation that ebgp neighbor is corresponding arranges aging labelling, and starts ageing timer, and the timing length of this ageing timer is
The GR waiting time of the ebgp neighbor carried in Peer Down message.
After Controller starts above-mentioned ageing timer, it can be determined that whether again connect before ageing timer time-out
Receiving the routing iinformation that above-mentioned ebgp neighbor is corresponding, if receiving, then deleting the aging of routing iinformation corresponding to this ebgp neighbor
Mark.
What deserves to be explained is, in embodiments of the present invention, when Controller in preset duration (such as above-mentioned aging timing
Before device time-out) when the most again receiving routing iinformation corresponding to above-mentioned ebgp neighbor, it is adjacent that Controller can delete this EBGP
Occupy corresponding routing iinformation, or, Controller can also process according to other strategy, and it is embodied in this and does not does
Repeat.
As the optional embodiment of one, in above-mentioned steps 202, when again receiving ebgp neighbor in Preset Time
Corresponding routing iinformation, deletes the aging labelling of routing iinformation corresponding to ebgp neighbor, may include that
When receiving the routing update information that core equipment sends, and this locality exists and carries in described routing update information
Routing iinformation, and when described routing iinformation is provided with aging labelling, delete the aging labelling of this routing iinformation.
In this embodiment, ISP equipment completes to control plane and restarts, and again sets up ebgp neighbor with core equipment and leads to
After accusing route, the routing iinformation received can be sent to Controller by routing update information by core equipment.
After Controller receives routing update information, the route letter carried in this routing update information can be inquired about
Whether breath exists；If existing, then determine whether whether this routing iinformation is provided with aging labelling；If being provided with aging labelling,
Then delete the aging labelling of this routing iinformation.
What deserves to be explained is, in embodiments of the present invention, carry when Controller inquiry determines in routing update information
Routing iinformation do not exist, or, when the routing iinformation that carries in routing update information exists but is not provided with aging labelling,
The processing mode of Controller may refer to related realization of the prior art, and the embodiment of the present invention does not repeats at this.
Additionally, in embodiments of the present invention, when Controller deletes the aging of routing iinformation corresponding to ebgp neighbor
After labelling, the routing iinformation that this ebgp neighbor is corresponding can process as common routing iinformation, correspondingly,
After the aging labelling that Controller deletes routing iinformation corresponding to ebgp neighbor permissible to the processing mode of routing iinformation
Seeing related realization of the prior art, the embodiment of the present invention does not repeats at this.
Visible, in method flow shown in Fig. 2, by entering GR determining core equipment to restart due to ebgp neighbor
Time, aging labelling is set for the routing iinformation that ebgp neighbor is corresponding, and does not delete the routing iinformation that this ebgp neighbor is corresponding, and work as
When again receiving routing iinformation corresponding to this ebgp neighbor in preset duration, delete the routing iinformation that this ebgp neighbor is corresponding
Aging labelling, it is to avoid core equipment and ebgp neighbor causes forwarding service on R equipment to interrupt when restarting and enter GR.
In order to make those skilled in the art be more fully understood that the technical scheme that the embodiment of the present invention provides, below in conjunction with specifically
Application scenarios technical scheme that the embodiment of the present invention is provided be described.
Refer to the configuration diagram of a kind of concrete application scenarios that Fig. 3, Fig. 3 provide for the embodiment of the present invention, such as Fig. 3 institute
Showing, this scene can include Controller, R equipment, core equipment and ISP equipment, wherein, core equipment and ISP equipment
Between set up ebgp neighbor, between Controller and core equipment set up have BMP session.
Based on the application scenarios shown in Fig. 3, the handling process of RI-Pro is as follows:
1, ISP equipment control plane is restarted；
2, the ebgp neighbor between ISP equipment and core equipment disconnects, and core equipment is restarted due to ebgp neighbor and entered
GR；
3, core equipment sends Peer Down message to Controller, carries newly-increased in this Peer Down message
Reason type (being used for identifying core equipment owing to ebgp neighbor is restarted and enters GR) and the GR waiting time of ebgp neighbor；
4, after Controller receives Peer Down message, for this ebgp neighbor (the i.e. ISP from core equipment
Equipment) routing iinformation aging labelling is set, and start ageing timer, the timing length of this ageing timer is Peer
The GR waiting time carried in Down message；
5, ISP equipment control plane has been restarted, and again sets up ebgp neighbor with core equipment and notices route；
6, the routing iinformation received is sent to Controller by routing update information by core equipment；
7, Controller receives routing update information, whether inquires about the routing iinformation that carries in this routing update information
Exist；If existing, then perform step 8～10；Otherwise, step 9～10 is performed；
8, judging whether this routing iinformation is provided with aging mark, if being provided with, then aging labelling being deleted.(this enforcement
In example, the routing iinformation carried in routing update information exists and is provided with aging labelling)；
9, after Controller reselects optimal path, new routing iinformation is injected R by Netconf agreement and sets
Standby and equipment core；
10, R equipment is according to the routing iinformation received, and updates forwarding-table item.
By above description it can be seen that the embodiment of the present invention provide technical scheme in, when determine core equipment by
When ebgp neighbor is restarted and entered GR, aging labelling is set for the routing iinformation that ebgp neighbor is corresponding, and refuses to delete this
The routing iinformation that ebgp neighbor is corresponding, and then, when again receiving the routing iinformation that this ebgp neighbor is corresponding in preset duration
Time, delete the aging labelling of routing iinformation corresponding to this ebgp neighbor, it is to avoid core equipment is restarted due to ebgp neighbor and entered
On the R equipment caused when entering GR, forwarding service interrupts.
Refer to Fig. 4, the structural representation of a kind of RI-Pro device provided for the embodiment of the present invention, wherein,
Described device can apply to the Controller in the network architecture shown in Fig. 1, as shown in Figure 4, this RI-Pro device
May include that
Determine unit 410, be used for determining that core equipment is restarted due to ebgp neighbor and entered Graceful Restart and move GR；
Unit 420 is set, for described determining that unit 410 determines the External BGP EBGP on core equipment
Neighbours due to opposite equip. reboot into Graceful Restart move GR time, for the routing iinformation that described ebgp neighbor is corresponding, aging mark is set
Note；
Delete unit 430, for when again receiving routing iinformation corresponding to described ebgp neighbor in preset duration,
Delete the aging labelling of routing iinformation corresponding to described ebgp neighbor.
In an alternative embodiment, described determine unit 410, can be specifically for when receive the neighbours that core equipment sends
Disconnecting the reason Reason type carried in Peer Down message, and this Peer Down message is that the EBGP on core equipment is adjacent
Occupy due to opposite equip. reboot into GR time, determine that core equipment is restarted due to ebgp neighbor and entered GR.
In an alternative embodiment, described Peer Down message also carries the GR waiting time of described ebgp neighbor；
Correspondingly, described unit 420 is set, it is also possible to for arranging always at the routing iinformation corresponding for described ebgp neighbor
After changing labelling, the routing iinformation corresponding for described ebgp neighbor arranges ageing timer；During the timing of described ageing timer
The GR waiting time of a length of described ebgp neighbor；
Described deletion unit 430, can be specifically for when again receiving described EBGP before described ageing timer time-out
During routing iinformation corresponding to neighbours, delete the aging labelling of routing iinformation corresponding to described ebgp neighbor.
In an alternative embodiment, described deletion unit 430, can be specifically for receiving described as described Controller
The routing update information that core equipment sends, and there is the routing iinformation carried in described routing update information in this locality, and described
When routing iinformation is provided with aging labelling, delete the aging labelling of described routing iinformation.
In an alternative embodiment, described deletion unit 430, it is also possible to for when the most again receiving in described preset duration
During to the routing iinformation that described ebgp neighbor is corresponding, delete the routing iinformation that described ebgp neighbor is corresponding.
In said apparatus, the function of unit and the process that realizes of effect specifically refer to corresponding step in said method
Realize process, do not repeat them here.
For device embodiment, owing to it corresponds essentially to embodiment of the method, so relevant part sees method in fact
The part executing example illustrates.Device embodiment described above is only schematically, wherein said as separating component
The unit illustrated can be or may not be physically separate, and the parts shown as unit can be or can also
It not physical location, i.e. may be located at a place, or can also be distributed on multiple NE.Can be according to reality
Need to select some or all of module therein to realize the purpose of the present invention program.Those of ordinary skill in the art are not paying
In the case of going out creative work, i.e. it is appreciated that and implements.
As seen from the above-described embodiment, when the ebgp neighbor determined on core equipment reboots into GR due to opposite equip.,
Aging labelling is set for the routing iinformation that ebgp neighbor is corresponding, and refuses to delete the routing iinformation that this ebgp neighbor is corresponding, and then,
When again receiving routing iinformation corresponding to this ebgp neighbor in preset duration, delete the route letter that this ebgp neighbor is corresponding
The aging labelling of breath, it is to avoid on the R equipment caused when core equipment is restarted due to ebgp neighbor and entered GR in forwarding service
Disconnected.
Those skilled in the art, after considering description and putting into practice invention disclosed herein, will readily occur to its of the present invention
Its embodiment.The application is intended to any modification, purposes or the adaptations of the present invention, these modification, purposes or
Person's adaptations is followed the general principle of the present invention and includes the undocumented common knowledge in the art of the present invention
Or conventional techniques means.Description and embodiments is considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be appreciated that the invention is not limited in precision architecture described above and illustrated in the accompanying drawings, and
And various modifications and changes can carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (10)
1. a RI-Pro method, be applied to include controller Controller, user kernel equipment core equipment with
And the Controller in the software defined network SDN of switching equipment R equipment, described Controller sets with described core
BGP monitoring protocol BMP session is set up, it is characterised in that described method includes between Bei:
When determine core equipment due to External BGP ebgp neighbor restart and enter Graceful Restart move GR time, for described
The routing iinformation that ebgp neighbor is corresponding arranges aging labelling, and refuses to delete the routing iinformation that described ebgp neighbor is corresponding；
When again receiving routing iinformation corresponding to described ebgp neighbor in preset duration, delete described ebgp neighbor corresponding
The aging labelling of routing iinformation.
Method the most according to claim 1, it is characterised in that the described core of determination equipment is restarted due to ebgp neighbor and entered
Enter GR, including:
The neighbours receiving the transmission of core equipment disconnect the reason carried in Peer Down message, and this Peer Down message
Reason type is that core equipment is restarted due to ebgp neighbor and entered GR.
Method the most according to claim 2, it is characterised in that also carry described EBGP in described Peer Down message
The GR waiting time of neighbours；
After the described routing iinformation corresponding for described ebgp neighbor arranges aging labelling, also include:
The routing iinformation corresponding for described ebgp neighbor arranges ageing timer；The timing length of described ageing timer is described
The GR waiting time of ebgp neighbor；
Described when again receiving routing iinformation corresponding to described ebgp neighbor in preset duration, delete described ebgp neighbor
The aging labelling of corresponding routing iinformation, including:
When again receiving routing iinformation corresponding to described ebgp neighbor before described ageing timer time-out, delete described EBGP
The aging labelling of the routing iinformation that neighbours are corresponding.
Method the most according to claim 1, it is characterised in that described when again receiving described EBGP in preset duration
During routing iinformation corresponding to neighbours, delete the aging labelling of routing iinformation corresponding to described ebgp neighbor, including:
When receiving the routing update information that described core equipment sends, and this locality exists and carries in described routing update information
Routing iinformation, and when described routing iinformation is provided with aging labelling, delete the aging labelling of described routing iinformation.
Method the most according to claim 1, it is characterised in that described method also includes:
When the most again receiving routing iinformation corresponding to described ebgp neighbor in described preset duration, delete described EBGP adjacent
Occupy corresponding routing iinformation.
6. a RI-Pro device, be applied to include controller Controller, user kernel equipment core equipment with
And the Controller in the software defined network SDN of switching equipment R equipment, described Controller sets with described core
BGP monitoring protocol BMP session is set up, it is characterised in that described device includes between Bei:
Determine unit, for determining that the EBGP on core equipment moves GR owing to opposite equip. reboots into Graceful Restart；
Unit is set, for ought described determine unit determine core equipment restart due to External BGP ebgp neighbor and
When entrance Graceful Restart moves GR, aging labelling is set for the routing iinformation that described ebgp neighbor is corresponding；
Delete unit, for when again receiving routing iinformation corresponding to described ebgp neighbor in preset duration, delete institute
State the aging labelling of routing iinformation corresponding to ebgp neighbor.
Device the most according to claim 6, it is characterised in that
Described determine unit, specifically for disconnecting Peer Down message, and this Peer when receiving the neighbours that core equipment sends
The reason Reason type carried in Down message be ebgp neighbor on core equipment due to opposite equip. reboot into GR time,
Determine that core equipment is restarted due to ebgp neighbor and entered GR.
Device the most according to claim 7, it is characterised in that also carry described EBGP in described Peer Down message
The GR waiting time of neighbours；
Described unit is set, is additionally operable to after the routing iinformation corresponding for described ebgp neighbor arranges aging labelling, for described
The routing iinformation that ebgp neighbor is corresponding arranges ageing timer；The timing length of described ageing timer is described ebgp neighbor
The GR waiting time；
Described deletion unit, specifically for when again receiving, before described ageing timer time-out, the road that described ebgp neighbor is corresponding
During by information, delete the aging labelling of routing iinformation corresponding to described ebgp neighbor.
Device the most according to claim 6, it is characterised in that
Described deletion unit, specifically for receiving, as described Controller, the routing update letter that described core equipment sends
Cease, and this locality exists the routing iinformation carried in described routing update information, and when described routing iinformation is provided with aging labelling,
Delete the aging labelling of described routing iinformation.
Device the most according to claim 6, it is characterised in that
Described deletion unit, is additionally operable to when the most again receiving the route letter that described ebgp neighbor is corresponding in described preset duration
During breath, delete the routing iinformation that described ebgp neighbor is corresponding.
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| CN201610727409.2A CN106254251A (en) | 2016-08-24 | 2016-08-24 | A kind of RI-Pro method and device |
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| CN108123876A (en) * | 2017-12-14 | 2018-06-05 | 新华三技术有限公司 | Border Gateway Protocol (BGP) routing information processing method and device |
| CN108616455A (en) * | 2018-04-23 | 2018-10-02 | 上海泰砚通信技术有限公司 | A kind of route synchronization method of single machine pile system |
| WO2020187310A1 (en) * | 2019-03-20 | 2020-09-24 | 华为技术有限公司 | Neighbor relationship management method and apparatus, device and storage medium |
| CN113490252A (en) * | 2021-07-09 | 2021-10-08 | 烽火通信科技股份有限公司 | BGP (Border gateway protocol) GR (graceful restart) enhancing method and device |
| US11916783B2 (en) | 2020-04-29 | 2024-02-27 | Huawei Technologies Co., Ltd. | Information reporting method, information processing method, apparatus, and device |
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| CN107819688A (en) * | 2017-09-18 | 2018-03-20 | 瑞斯康达科技发展股份有限公司 | A kind of method, system and device for realizing forward process |
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| CN108616455A (en) * | 2018-04-23 | 2018-10-02 | 上海泰砚通信技术有限公司 | A kind of route synchronization method of single machine pile system |
| WO2020187310A1 (en) * | 2019-03-20 | 2020-09-24 | 华为技术有限公司 | Neighbor relationship management method and apparatus, device and storage medium |
| US11956149B2 (en) | 2019-03-20 | 2024-04-09 | Huawei Technologies Co., Ltd. | Peer relationship management method and apparatus, device, and storage medium |
| US11916783B2 (en) | 2020-04-29 | 2024-02-27 | Huawei Technologies Co., Ltd. | Information reporting method, information processing method, apparatus, and device |
| CN113490252A (en) * | 2021-07-09 | 2021-10-08 | 烽火通信科技股份有限公司 | BGP (Border gateway protocol) GR (graceful restart) enhancing method and device |
| CN113490252B (en) * | 2021-07-09 | 2022-03-25 | 烽火通信科技股份有限公司 | BGP (Border gateway protocol) GR (graceful restart) enhancing method and device |
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