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Related
Commands
graceful-restart t3 — configures the overall wait time before graceful restart completes.
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.
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
Supported Modes Full–Switch
Command
History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.2(0.0) Introduced on the MXL 10/40GbE Switch IO Module.
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.
Syntax
hostname dynamic
To disable this command, use the no hostname dynamic command.
Defaults Enabled.
Command Modes ROUTER ISIS
Supported Modes Full–Switch
Command
History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.2(0.0) Introduced on the MXL 10/40GbE Switch IO Module.
Usage
Information
To build name-to-systemID mapping tables through the protocol, use this command. All show commands
that display systems also display the hostname.
Related
Commands
clns host — defines a name-to-NSAP mapping.
694 Intermediate System to Intermediate System (IS-IS)