162
Interface: Vlan-interface100 Circuit Id: 0000.0000.0003.01
State: Up HoldTime: 27s Type: L1 PRI: 64
System Id: 0000.0000.0002
Interface: Vlan-interface100 Circuit Id: 0000.0000.0004.01
State: Up HoldTime: 28s Type: L2(L1L2) PRI: 64
System Id: 0000.0000.0004
Interface: Vlan-interface100 Circuit Id: 0000.0000.0004.01
State: Up HoldTime: 30s Type: L2 PRI: 64
# Display information about IS-IS interfaces on Switch A.
[SwitchA] display isis interface
Interface information for IS-IS(1)
----------------------------------
Interface: Vlan-interface100
Id IPv4.State IPv6.State MTU Type DIS
001 Up Down 1497 L1/L2 No/No
# Display information about IS-IS interfaces on Switch C.
[SwitchC] display isis interface
Interface information for IS-IS(1)
----------------------------------
Interface: Vlan-interface100
Id IPv4.State IPv6.State MTU Type DIS
001 Up Down 1497 L1/L2 Yes/No
# Display information about IS-IS interfaces on Switch D.
[SwitchD] display isis interface
Interface information for IS-IS(1)
----------------------------------
Interface: Vlan-interface100
Id IPv4.State IPv6.State MTU Type DIS
001 Up Down 1497 L1/L2 No/Yes
The output shows that when the default DIS priority is used, Switch C is the DIS for Level-1, and
Switch D is the DIS for Level-2. The pseudonodes of Level-1 and Level-2 are 0000.0000.0003.01
and 0000.0000.0004.01.
#Configure the DIS priority of Switch A.
[SwitchA] interface vlan-interface 100
[SwitchA-Vlan-interface100] isis dis-priority 100
[SwitchA-Vlan-interface100] quit
# Display IS-IS neighbors on Switch A.
[SwitchA] display isis peer
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