Isis Circuit-Type; Isis Csnp-Interval - Dell Force10 S4810P Reference Manual

isis circuit-type

Configure the adjacency type on interfaces.
E-Series, S4810
Syntax isis circuit-type {level-1 | level-1-2 | level-2-only}
To return to the default values, use the no isis circuit-type command.
Parameters
level-1
level-1-2
level-2-only
Defaults level-1-2
Command Modes INTERFACE
Command History
Version 8.3.12.0
Usage
Because the default establishes Level 1 and Level 2 adjacencies, you do not need to configure
Information
this command. Routers in an IS-IS system must be configured as a Level 1-only, Level 1-2, or
Level 2-only system.
Only configure interfaces as Level 1 or Level 2 on routers that are between areas (for example,
a Level 1-2 router) to prevent the software from sending unused hello packets and wasting
bandwidth.

isis csnp-interval

Configure the IS-IS complete sequence number PDU (CSNP) interval on an interface.
E-Series, S4810
Syntax isis csnp-interval seconds [level-1 | level-2]
To return to the default values, use the no isis csnp-interval [seconds]
[level-1 | level-2] command.
You can form a Level 1 adjacency if there is at least one common
area address between this system and neighbors. You cannot form
Level 2 adjacencies on this interface.
You can form a Level 1 and Level 2 adjacencies when the neighbor is
also configured as Level-1-2 and there is at least one common area, if
not, a Level 2 adjacency is established. This is the default.
You can form a Level 2 adjacencies when other Level 2 or Level 1-2
routers and their interfaces are configured for Level 1-2 or Level 2.
Level 1 adjacencies cannot be established on this interface.
Introduced on the S4810.
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