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isis circuit-level
Use isis circuit-level to set the circuit level for the interface.
Use undo isis circuit-level to restore the default.
Syntax
isis circuit-level [ level-1 | level-1-2 | level-2 ]
undo isis circuit-level
Default
An interface can establish either the Level-1 or Level-2 adjacency.
Views
Interface view
Predefined user roles
network-admin
Parameters
level-1: Sets the circuit level to Level-1.
level-1-2: Sets the circuit level to Level-1-2.
level-2: Sets the circuit level to Level-2.
Usage guidelines
For a Level-1 (Level-2) router, the circuit level can only be Level-1 (Level-2). For a Level-1-2 router, you must
specify a circuit level for a specific interface to form only the specified level neighbor relationship.
Examples
# VLAN-interface 10 is connected to a non-backbone router in the same area. Configure the circuit level
of VLAN-interface 10 as Level-1 to prevent sending and receiving Level-2 Hello packets.
<Sysname> system-view
[Sysname] interface vlan-interface 10
[Sysname-Vlan-interface10] isis enable
[Sysname-Vlan-interface10] isis circuit-level level-1
Related commands
is-level
isis circuit-type p2p
Use isis circuit-type p2p to configure the network type of an interface as P2P.
Use undo isis circuit-type to remove the configuration.
Syntax
isis circuit-type p2p
undo isis circuit-type
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