29.6.11 Checking for graceful restart
- <Structure of this section>
(1) List of operation commands
The following table lists the operation commands related to graceful restart.
|
Command name |
Description |
|---|---|
|
show ipv6 route |
Displays routing information stored in the routing table. |
|
show ipv6 bgp |
Shows information about the BGP4+ protocol. |
|
show graceful-restart unicast # |
Displays the operating status of the restart router for graceful restart of the unicast routing protocol. |
- #
-
See "Operation Command Reference Vol.2" "9 IPv4 .IPv6 Routing Protocols".
(2) Checking for graceful restart
To display whether the graceful restart functionality is in operation, use the show ipv6 bgp operation command with the neighbors and detail parameters specified.
> show ipv6 bgp neighbors detail
Date 20XX/01/17 15:52:14 UTC
BGP4+ Peer: 3ffe:192:168:2::2 , Remote AS: 65531
Remote Router ID: 192.168.100.2
BGP4+ Status: Established HoldTime: 180 , Keepalive: 60
Established Transitions: 1 Established Date: 20XX/01/17 15:51:00
BGP4+ Version: 4 Type: Internal
Local Address: 3ffe:192:168:2::1
Local AS: 65531 Local Router ID: 192.168.1.100
Next Connect Retry: - Connect Retry Timer: -
Last Keep Alive Sent: 15:52:00 Last Keep Alive Received: 15:52:00
Graceful Restart: Both ..1
Restart Status : Finished 20XX/12/16 18:46:14
Receive Status : Finished 20XX/01/16 19:11:12
StalepathTime: 30
NLRI of End-of-RIB Marker: Advertised and Received
BGP4+ Message UpdateIn UpdateOut TotalIn TotalOut
0 0 2 4
BGP4+ Capability Negotiation: <IPv6-Uni Refresh Refresh(v) GracefulRestart>..2
Send : <IPv6-Uni Refresh Refresh(v) GracefulRestart(RestartTime:120s)>
Receive: <IPv6-Uni Refresh Refresh(v) GracefulRestart(RestartTime:120s)>
Password: UnConfigured
BGP4+ Peer: 3ffe:172:16:2::2 , Remote AS: 65532
Remote Router ID: 172.16.1.102
BGP4+ Status: Established HoldTime: 180 , Keepalive: 60
Established Transitions: 1 Established Date: 20XX/01/17 15:49:35
BGP4+ Version: 4 Type: External
Local Address: 3ffe:172:16:2::1
Local AS: 65531 Local Router ID: 192.168.1.100
Next Connect Retry: - Connect Retry Timer: -
Last Keep Alive Sent: 15:51:35 Last Keep Alive Received: 15:51:35
Graceful Restart: Both ..1
Restart Status : Finished 20XX/12/16 18:43:40
Receive Status : Finished 20XX/01/16 19:13:40
StalepathTime: 30
NLRI of End-of-RIB Marker: Advertised and Received
BGP4+ Message UpdateIn UpdateOut TotalIn TotalOut
0 0 3 5
BGP4+ Capability Negotiation: <IPv6-Uni Refresh Refresh(v) GracefulRestart>..2
Send : <IPv6-Uni Refresh Refresh(v) GracefulRestart(RestartTime:120s)>
Receive: <IPv6-Uni Refresh Refresh(v) GracefulRestart(RestartTime:120s, IPv6-uni)>
Password: UnConfigured |
-
It operates as a restart router and a receive router for graceful restart.
-
The peers successfully negotiated the graceful restart functionality at connection of the BGP4+ session.
Specify an operation-command show ipv6 bgp to apply graceful restart and to show the routes that are being restarted by the source router.
> show ipv6 bgp
Date 20XX/01/16 19:12:23 UTC
Local AS: 65531, Local Router ID: 192.168.1.100
Status Codes: d dampened, * valid, > active, S Stale, r RIB failure
Origin Codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop
MED LocalPref Weight Path
S 3ffe:10:10::/48 3ffe:172:16:2::2
- 120 20 65532 65528 i ..1
S 3ffe:10:20::/48 3ffe:172:16:2::2
- 80 20 65532 65528 i ..1
*> 3ffe:172:20::/48 3ffe:192:168:2::2
- 100 10 65530 i
* 3ffe:172:30::/48 3ffe:192:168:2::2
100 100 10 65530 i
* 3ffe:192:168:10::/64 3ffe:192:168:2::2
- 100 10 65530 i
*> 3ffe:192:169:10::/64 3ffe:192:168:2::2
- 100 10 i
*> 3ffe:192:169:20::/64 3ffe:192:168:2::2
- 100 10 i |
-
Shows the route used during restart of the originating router.
The operation status of the graceful restart of the unicast routing protocol is displayed by show graceful-restart unicast commandI will.
> show graceful-restart unicast
Date 20XX/12/17 12:00:00 UTC
Status: Completed
Graceful Restart Time Limit: 180s
Start Time: 20XX/12/08 17:01:23
End Time : 20XX/12/08 17:01:30
OSPF : Restart State <Finished>
Total of Domain: 2 (Succeeded: 2)
BGP : Restart State <Finished>
Total of Peer : 25 (Succeeded: 25)
OSPFv3: Restart State <Finished>
Total of Domain: 2 (Succeeded: 2)
BGP4+ : Restart State <Finished>
Total of Peer : 20 (Succeeded: 20) |