Service Manual

Command Modes ROUTER ISIS
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.
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
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
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.
Intermediate System to Intermediate System (IS-IS) 737