Reference Guide

918 | Intermediate System to Intermediate System (IS-IS)
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Parameters
Defaults
30 seconds
Command Modes
ROUTER ISIS
Command
History
Related
Commands
hello padding
e
Use to turn ON or OFF padding for LAN and point-to-point hello PDUs or to selectively turn padding
ON or OFF for LAN or point-to-point hello PDUs.
Syntax
hello padding [multi-point | point-to-point]
To return to default, use no hello padding [multi-point | point-to-point].
Parameters
Defaults
Both LAN and point-to-point hello PDUs are padded.
Command Modes
ROUTER ISIS
Command
History
Usage
Information
IS-IS hellos are padded to the full maximum transmission unit (MTU) size. Padding IS-IS Hellos
(IIHS) to the full MTU provides early error detection of large frame transmission problems or
mismatched MTUs on adjacent interfaces.
Related
Commands
hostname dynamic
e
Enables dynamic learning of hostnames from routers in the domain and allows the routers to advertise
the hostname in LSPs.
seconds
Range: 5-300 seconds
Default: 30 seconds
Version 8.3.19.0 Introduced on S4820T
Version 8.3.12.0 Introduced on S4810
Version 8.3.1.0 Introduced on the E-Series
graceful-restart t3
Configure the overall wait time before Graceful Restart is completed.
multi-point (OPTIONAL) Enter the keyword multi-point to pad only LAN hello
PDUs.
point-to-point (OPTIONAL) Enter the keyword point-to-point to pad only
point-to-point PDUs.
Version 8.3.19.0 Introduced on S4820T
Version 8.3.12.0 Introduced on S4810
isis hello padding Turn ON or OFF hello padding on an interface basis.