906
C
57: IS-IS C
HAPTER
IS-IS Configuration
Example
IS-IS Basic Configuration
ONFIGURATION
To do...
Display IS-IS neighbor
information
Display IS-IS routing
information
Display SPF calculation log
information
Display statistic about an IS-IS
process
Display the IS-IS Graceful
Restart state
Clear the data structure
information of an IS-IS
process
Clear the data structure
information of an IS-IS
neighbor
Network requirements
As shown in
Figure
system.
Router A and Router B are Level-1 routers, Router D is a Level-2 router, and Router
C is a Level-1-2 router connecting two areas. Router A, Router B, and Router C are
in area 10, while Router D is in area 20.
Network diagram
Figure 266 Network diagram for IS-IS basic configuration
Router A
L1
S2/0
10.1 .1.2/24
S2/1
10.1 .1.1/24
S2/0
10 .1.2.1/24
Router C
S 2/0
1 0.1 .2.2/24
Router B
L1
Use the command...
display isis peer [ verbose ]
[ process-id | vpn-instance
vpn-instance-name ]
display isis route [ ipv4 | ipv6 ]
[ [ level-1 | level-2 ] | verbose ] *
[ process-id | vpn-instance
vpn-instance-name ]
display isis spf-log [ process-id |
vpn-instance vpn-instance-name ]
display isis statistics [ level-1 |
level-2 | level-1-2 ] [ process-id |
vpn-instance vpn-instance-name ]
display isis graceful-restart status
[ level-1 | level-2 ] [ process-id |
vpn-instance vpn-instance-name ]
reset isis all [ process-id |
vpn-instance vpn-instance-name ]
reset isis peer system-id [ process-id |
vpn vpn-instance-name ]
266, Router A, B, C and Router D are in an IS-IS autonomous
S2/2
192.168.0.1/24
S2/0
1 92.168.0.2/24
Router D
L1/L2
Area 20
Area 10
Remarks
Available in any view
Available in any view
Available in any view
Available in any view
Available in any view
Available in user view
Available in user view
Eth1/0
172 .16 .1.1/16
L2
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