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https://docs.ipinfusion.com/datacenter/index.html#page/OcNOS-DC_6.4.1/Layer3-Config/IS-IS-IPv4_Configurations.html#ww1045370


Basic


Code Block
titlerouter isis
R2#show running-config router isis
!
router isis 1
 metric-style wide
 net 49.0000.0000.0001.00
!


loopback


Code Block
titleloopback
R2#show running-config interface lo
!
interface lo
 ip address 127.0.0.1/8
 ip address 10.1.1.1/32 secondary
 ipv6 address ::1/128
 ip router isis 1
!


network interface


Code Block
titleshow interface eth1
R2#show running-config interface eth1
!
interface eth1
 ip address 10.1.1.100/31
 ip router isis 1
!




neighbors

show clns neighbors

show clns is-neighbors


Code Block
titleshow ISIS
R2#show clns neighbors

Total number of L1 adjacencies: 1
Total number of L2 adjacencies: 1
Total number of adjacencies: 2
Tag 1:  VRF : default
System Id      Interface   SNPA                State  Holdtime  Type Protocol
0000.0000.0002 eth1        5000.0002.0001      Up     6         L1   IS-IS
                                               Up     6         L2   IS-IS


R2#show clns is-neighbors

Tag 1:  VRF : default
System Id      Interface   State  Type Priority  Circuit Id
0000.0000.0002 eth1        Up     L1   64        0000.0000.0002.02
                           Up     L2   64        0000.0000.0002.02