Users Guide
Set the t3 timer to adjacency on the restarting router when implementing this command. The restarting 
router gets the remaining time value from its peer and adjusts its T3 value so only when you have congured 
graceful-restart t3 adjacency.
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.
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
This guide is platform-specic. For command information about other platforms, refer to the relevant Dell 
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.7(0.0) Introduced on the S6000-ON.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.12.0 Introduced on the S4810.
8.3.11.1 Introduced on the Z9000.
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.
874
Intermediate System to Intermediate System (IS-IS)










