Disabling hello padding globally

By default, a device adds extra data to the end of a hello packet to make the packet the same size as the maximum length of PDU the device supports. The following task disables hello padding globally.

About this task

Procedure

Enter the configure terminal command to access global configuration mode.
```
device# configure terminal
```
Enter the router isis command to enter IS-IS router configuration mode and enable IS-IS on the device.
```
device(config)# router isis
```
Enter the hello padding command with the disable parameter to disable hello padding globally.
```
device(config-isis-router)# hello padding disable
```

Example

The following example disables hello padding globally.

device# configure terminal
device(config)# router isis
device(config-isis-router)# hello padding disable