Advertisement
Parameters
seconds
level-1
level-2
Defaults
seconds = 10; level-1 (if not otherwise specified)
Command Modes
INTERFACE
Usage
The default values of this command are typically satisfactory transmission times for a specific interface
Information
on a designated intermediate system. To maintain database synchronization, the designated routers
send CSNPs.
Level 1 and Level 2 CSNP intervals can be configured independently.
isis hello-interval
e
Specify the length of time between hello packets sent.
Syntax
isis hello-interval seconds [level-1 | level-2]
To return to the default values, enter the no isis hello-interval [seconds] [level-1 | level-2]
command.
Parameters
seconds
level-1
level-2
Defaults
seconds = 10; level-1 (if not otherwise specified)
Command Modes
INTERFACE
Usage
Hello packets are held for a length of three times the value of the hello interval. Use a high hello
Information
interval seconds to conserve bandwidth and CPU usage. Use a low hello interval seconds for faster
convergence (but uses more bandwidth and CPU resources).
Related
isis hello-multiplier
Commands
Interval of transmission time between CSNPs on multi-access networks for the designated
intermediate system.
Range: 0 to 65535
Default: 10
(OPTIONAL) Independently configures the interval of time between transmission of CSNPs
for Level 1.
(OPTIONAL) Independently configures the interval of time between transmission of CSNPs
for Level 2.
Allows you to set the length of time between hello packet transmissions.
Range: 1 to 65535
Default: 10
(OPTIONAL) Select this value to configure the hello interval for Level 1.
This is the default.
(OPTIONAL) Select this value to configure the hello interval for Level 2.
Specifies the number of IS-IS hello packets a neighbor must miss before the
router should declare the adjacency as down.
Intermediate System to Intermediate System (IS-IS) | 837
Advertisement
