Reference Guide

Related
Commands
graceful-restart restart-wait – enables the graceful restart maximum wait time before a
restarting peer comes up.
hello padding
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.
E-Series, S4810
Syntax
hello padding [multi-point | point-to-point]
To return to the default, use the no hello padding [multi-point | point-to-
point]
command.
Parameters
multi-point (OPTIONAL) Enter the keywords multi-point to pad only LAN
hello PDUs.
point-to-point (OPTIONAL) Enter the keywords point-to-point to pad only
point-to-point PDUs.
Defaults Both LAN and point-to-point hello PDUs are padded.
Command Modes ROUTER ISIS
Command History
Version 8.3.12.0 Introduced on the S4810.
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
isis hello padding – turns ON or OFF hello padding on an interface basis.
hostname dynamic
Enables dynamic learning of hostnames from routers in the domain and allows the routers to advertise the hostname in
LSPs.
E-Series, S4810
Syntax
hostname dynamic
To disable this command, use the no hostname dynamic command.
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