This command enables the padding of hello PDUs on one or all VLAN (Virtual LAN)s.
| vlan all | Enables hello padding on all IS-IS VLANs. |
| vlan_name | Specifies a single VLAN on which hello padding is enabled. |
Enabled.
When hello padding is enabled, IS-IS pads hello packets to the interface MTU. This is used among neighbors to verify that adjacencies have the same MTU configured on either end. The disadvantage of hello padding is the price of bandwidth consumed by larger packets.
The following command enables hello padding on the SJvlan VLAN:
enable isis SJvlan hello-padding
This command was first available in ExtremeXOS 12.1.
This command is available on platforms with a Core license.
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