Reference Guide

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.
Z9000
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-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.12.0 Introduced on the S4810.
Version 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.
hostname dynamic
Enables dynamic learning of hostnames from routers in the domain and allows the routers to advertise the hostname in
LSPs.
Z9000
Syntax
hostname dynamic
To disable this command, use the no hostname dynamic command.
Defaults Enabled.
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