Command Manual – IPv4 Routing
H3C S7500E Series Ethernet Switches Chapter 4 IS-IS Configuration Commands
4-30
Related commands: area-authentication-mode, domain authentication-mode.
 Note:
The level-1 and level-2 keywords are available only on the VLAN interface of switches
after IS-IS is enabled on the interface using the isis enable command.
Examples
# Set the plain text password tangshi for the VLAN-interface 10.
<Sysname> system-view
[Sysname] interface vlan-interface 10
[Sysname-Vlan-interface10] isis authentication-mode simple tangshi level-1
4.1.25 isis circuit-level
Syntax
isis circuit-level [ level-1 | level-1-2 | level-2 ]
undo isis circuit-level
View
Interface view
Parameters
level-1: Specifies to set up only level-1 adjacency on the interface.
level-1-2: Specifies to set up level-1-2 adjacency on the interface.
level-2: Specifies to set up only level-2 adjacency on the interface.
Description
Use the isis circuit-level command to configure link adjacency level for an interface of
a level-1-2 router.
Use the undo isis circuit-level command to restore the default.
An interface can establish level-1-2 adjacency by default.
This command is only available on a level-1-2 router. You can use it to configure an
interface to establish the adjacency of a specified level (level-1 or level-2) with the
neighbor, making the interface handle only the specified level hello packets. An
interface can receive and send only one level hello packet on a point-to-point link.
Using this command can reduce the router’s processing time and save bandwidth.
Related commands: is-level.
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