checkzero

Use checkzero to enable zero field check on RIPv1 messages.

Use undo checkzero to disable zero field check.

Syntax

checkzero

undo checkzero

Default

The zero field check function is enabled.

Views

RIP view

Predefined user roles

network-admin

Usage guidelines

When the zero field check is enabled, the router discards RIPv1 messages in which zero fields contain non-zero values. If all messages are trustworthy, disable this feature to reduce the workload of the CPU.

Examples

# Disable zero field check on RIPv1 messages for RIP process 1.

<Sysname> system-view
[Sysname] rip
[Sysname-rip-1] undo checkzero