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验证 IP 层上的邻居或邻接

操作

user@host> show ospf neighbor extensive

示例输出1

```user@R1> show ospf neighbor extensive
10.1.12.2        so-0/0/0.0             Full      10.0.0.2         128   34
area 0.0.0.0, opt 0x42, DR 0.0.0.0, BDR 0.0.0.0
Up 1d 04:45:20, adjacent 1d 04:45:20
10.1.15.2        so-0/0/1.0             Full      10.0.0.5         128   35
area 0.0.0.0, opt 0x42, DR 0.0.0.0, BDR 0.0.0.0
Up 1d 04:45:20, adjacent 1d 04:45:10  <<< no adjacency with R3 so-0/0/2

user@R3> show ospf neighbor extensive
10.1.23.1        so-0/0/1.0             Full      10.0.0.2         128   35
area 0.0.0.0, opt 0x42, DR 0.0.0.0, BDR 0.0.0.0
Up 1w2d 04:54:30, adjacent 1w2d 04:54:21
10.1.36.2        so-0/0/3.0             Full      10.0.0.6         128   39
area 0.0.0.0, opt 0x42, DR 0.0.0.0, BDR 0.0.0.0
Up 1w2d 04:54:30, adjacent 1w2d 04:54:30  <<< no adjacency with R1 so-0/0/2

user@R6> show ospf neighbor extensive
10.1.56.1        so-0/0/0.0             Full      10.0.0.5         128   39
area 0.0.0.0, opt 0x42, DR 0.0.0.0, BDR 0.0.0.0
Up 1d 02:59:35, adjacent 1d 02:59:35
10.1.26.1        so-0/0/2.0             Full      10.0.0.2         128   36
area 0.0.0.0, opt 0x42, DR 0.0.0.0, BDR 0.0.0.0
Up 1w2d 04:57:30, adjacent 1w2d 04:57:30
10.1.36.1        so-0/0/3.0             Full      10.0.0.3         128   36
area 0.0.0.0, opt 0x42, DR 0.0.0.0, BDR 0.0.0.0
Up 1w2d 04:56:11, adjacent 1w2d 04:56:11
```

示例输出2

```user@R1> show isis adjacency extensive
R2
Interface: so-0/0/0.0,  Level: 2, State: Up , Expires in 23 secs
Priority: 0, Up/Down transitions: 1, Last transition: 05:57:16 ago
Circuit type: 2,  Speaks: IP , IPv6
Topologies: Unicast
Restart capable: Yes
Transition log:
When                  State        Reason
Fri Oct 15 14:58:35   Up           Seenself

R5
Interface: so-0/0/1.0,  Level: 2, State: Up, Expires in 26 secs
Priority: 0, Up/Down transitions: 1, Last transition: 05:56:52 ago
Circuit type: 2,  Speaks: IP , IPv6
Topologies: Unicast
Restart capable: Yes
Transition log:
When                  State        Reason
Fri Oct 15 14:59:00   Up           Seenself

R3
Interface: so-0/0/2.0, Level: 2, State: Up, Expires in 26 secs
Priority: 0, Up/Down transitions: 1, Last transition: 05:56:51 ago
Circuit type: 2,  Speaks: IP , IPv6
Topologies: Unicast
Restart capable: Yes
Transition log:
When                  State        Reason
Fri Oct 15 14:59:01   Up           Seenself

R4
Interface: so-0/0/0.0,  Level: 2, State: Up , Expires in 25 secs
Priority: 0, Up/Down transitions: 1, Last transition: 1w1d 00:22:51 ago
Circuit type: 2,  Speaks: IP , IPv6
Topologies: Unicast
Restart capable: Yes
Transition log:
When                  State        Reason
Thu Oct 28 15:13:12   Up           Seenself

R2
Interface: so-0/0/1.0,  Level: 2, State: Up , Expires in 25 secs
Priority: 0, Up/Down transitions: 1, Last transition: 2w2d 18:02:48 ago
Circuit type: 2,  Speaks: IP , IPv6
Topologies: Unicast
Restart capable: Yes
Transition log:
When                  State        Reason
Tue Oct 19 21:33:15   Up           Seenself

R1
Interface: so-0/0/2.0,  Level: 2, State: Up , Expires in 22 secs
Priority: 0, Up/Down transitions: 1, Last transition: 2w2d 17:24:06 ago
Circuit type: 2,  Speaks: IP , IPv6
Topologies: Unicast
Restart capable: Yes
Transition log:
When                  State        Reason
Tue Oct 19 22:11:57   Up           Seenself

R6
Interface: so-0/0/3.0,  Level: 2, State: Up , Expires in 21 secs
Priority: 0, Up/Down transitions: 1, Last transition: 2w1d 00:07:00 ago
Circuit type: 2,  Speaks: IP , IPv6
Topologies: Unicast
Restart capable: Yes
Transition log:
When                  State        Reason
Thu Oct 21 15:29:03   Up           Seenself

R5
Interface: so-0/0/0.0,  Level: 2, State: Up , Expires in 23 secs
Priority: 0, Up/Down transitions: 1, Last transition: 1w2d 01:10:03 ago
Circuit type: 2,  Speaks: IP , IPv6
Topologies: Unicast
Restart capable: Yes
Transition log:
When                  State        Reason
Wed Oct 27 14:35:32   Up           Seenself

R4
Interface: so-0/0/1.0,  Level: 2, State: Up , Expires in 25 secs
Priority: 0, Up/Down transitions: 1, Last transition: 1w1d 00:26:50 ago
Circuit type: 2,  Speaks: IP , IPv6
Topologies: Unicast
Restart capable: Yes
Transition log:
When                  State        Reason
Thu Oct 28 15:18:45   Up           Seenself

R2
Interface: so-0/0/2.0,  Level: 2, State: Up , Expires in 24 secs
Priority: 0, Up/Down transitions: 1, Last transition: 2w1d 00:11:40 ago
Circuit type: 2,  Speaks: IP , IPv6
Topologies: Unicast
Restart capable: Yes
Transition log:
When                  State        Reason
Thu Oct 21 15:33:55   Up           Seenself

R3
Interface: so-0/0/3.0,  Level: 2, State: Up , Expires in 19 secs
Priority: 0, Up/Down transitions: 1, Last transition: 2w1d 00:11:40 ago
Circuit type: 2,  Speaks: IP , IPv6
Topologies: Unicast
Restart capable: Yes