H3C S7500 Series Ethernet Switches Command Manual

Table Of Contents
Command Manual – Routing Protocol
H3C S7500 Series Ethernet Switches Chapter 2 RIP Configuration Commands
2-1
Chapter 2 RIP Configuration Commands
Note:
The term “router” in this document refers to a router in a generic sense or an Ethernet
switch running routing protocols.
2.1 RIP Configuration Commands
2.1.1 checkzero
Syntax
checkzero
undo checkzero
View
RIP view
Parameters
None
Description
Use the checkzero command to enable zero field check on RIP-1 packets.
Use the undo checkzero command to disable zero field check.
By default, RIP-1 performs zero field check.
According to the protocol (RFC 1058) specifications, some fields in RIP-1 packets must
be zero and these fields are called zero fields. You can use the checkzero command to
enable or disable zero field check on RIP-1 packets. When zero field check is enabled,
if an incoming RIP-1 packet has a non-zero zero field, the packet will be rejected.
This command does not apply to RIP-2 packets that have no zero fields.
Examples
# Disable zero field check on RIP-1 packets.
<H3C> system-view
System View: return to User View with Ctrl+Z.
[H3C] rip