29.6.2 Checking the Community
- <Structure of this section>
(1) List of operation commands
The following table lists the operation commands related to communities.
|
Command name |
Description |
|---|---|
|
show ipv6 route |
Displays routing information stored in the routing table. |
|
show ipv6 bgp |
Shows information about the BGP4+ protocol. |
(2) Displaying Communities for Learned Routes
[29.5.2 The display corresponding to "Community Configuration" is shown below.
To display routes that have a specific community, use the show ipv6 bgp command with the community parameter specified.
> show ipv6 bgp community 1000:1002
Date 20XX/10/20 21:00:00 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 NextHop
MED LocalPref Weight Path
*> 3ffe:10:10::/64 fe80::200:87ff:fe16:90d5%VLAN0005
- 100 0 65532 i
*> 3ffe:10:20::/64 fe80::200:87ff:fe16:90d5%VLAN0005
- 100 0 65532 i |
To display the communities that a route belongs to, use the show ipv6 bgp command with the route parameter specified.
> show ipv6 bgp route 3ffe:10:10::/64
Date 20XX/10/20 21:09:12 UTC
BGP4+ Peer: 3ffe:172:16:2::2 , Remote AS: 65532
Local AS: 65531, Local Router ID: 192.168.1.100
Status Codes: d dampened, * valid, > active, S Stale, r RIB failure
Route 3ffe:10:10::/64
*> Next Hop fe80::200:87ff:fe16:90d5%VLAN0005
MED: -, LocalPref: 100, Weight: 0, Type: External route
Origin: IGP, IGP Metric: 0
Path: 65532
Communities: 1000:1002 |
(3) Displaying learned route filtering results
To display the result of learned route filtering based on the COMMUNITIES attribute, use the show ipv6 bgp operation command.
> show ipv6 bgp
Date 20XX/10/20 21:10:09 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
*> 3ffe:10:10::/64 fe80::200:87ff:fe16:90d5%VLAN0005
- 120 0 65532 i
* 3ffe:10:10::/64 3ffe:10:2:2::2
- 80 0 65533 i
*> 3ffe:10:20::/64 fe80::200:87ff:fe16:90d5%VLAN0005
- 120 0 65532 i
* 3ffe:10:20::/64 3ffe:10:2:2::2
- 80 0 65533 i
*> 3ffe:192:169:10::/64 3ffe:192:168:2::2
- 100 0 i
*> 3ffe:192:169:20::/64 3ffe:192:168:2::2
- 100 0 i |
(4) Displaying Communities for Advertised Routes
To display the COMMUNITIES attribute of advertised BGP4+ routes, use the show ipv6 bgp operation command with the advertised-routes parameter specified.
> show ipv6 bgp advertised-routes 3ffe:192:169:10::/64
Date 20XX/10/18 22:44:54 UTC
BGP4+ Peer: 3ffe:10:2:2::2 , Remote AS: 65533
Local AS: 65531, Local Router ID: 192.168.1.100
Status Codes: * valid, > active
Route 3ffe:192:169:10::/64
*> Next Hop 3ffe:192:168:2::2
MED: -, LocalPref: -, Type: Internal route
Origin: IGP
Path: 65531
Next Hop Attribute: 3ffe:10:1:2::1
Communities: 1000:1001
BGP4+ Peer: 3ffe:172:16:2::2 , Remote AS: 65532
Local AS: 65531, Local Router ID: 192.168.1.100
Status Codes: * valid, > active
Route 3ffe:192:169:10::/64
*> Next Hop 3ffe:192:168:2::2
MED: -, LocalPref: - , Type: Internal route
Origin: IGP
Path: 65531
Next Hop Attribute: 3ffe:172:16:2::1
fe80::200:87ff:fe21:90da
Communities: 1000:1001 |