3Com Switch 7750 Configuration Guide Guide

RIP Network Adjustment and Optimization 283
n
When configuring the values of RIP timers, you should take network performance
into consideration and perform consistent configuration on all routers running RIP
to avoid unnecessary network traffic and network route oscillation.
Configuring split horizon
n
Split horizon cannot be disabled on a point-to-point link.
Configuring RIP-1 packet zero field check
n
Some fields in a RIP-1 packet must be 0, and they are known as zero fields. For
RIP-1, zero field check is performed on incoming packets, those RIP-1 packets with
nonzero value in a zero filed will not be processed further. As a RIP-2 packet has
no zero fields, this configuration is invalid for RIP-2.
Setting RIP-2 packet authentication mode
RIP-2 supports two authentication modes, simple authentication and MD5
authentication.
Simple authentication cannot provide complete security, because the
authentication keys sent along with packets are not unencrypted. Therefore,
simple authentication cannot be applied where high security is required.
Table 207 Configure split horizon
Operation Command Description
Enter system view system-view -
Enter interface view
interface interface-type
interface-number
-
Enable split horizon rip split-horizon
Optional
By default, an interface uses
split horizon to send RIP
packets.
Table 208 Configure RIP-1 packet zero field check
Operation Command Description
Enter system view system-view -
Enter RIP view rip -
Enable zero field check of
RIP-1 packets
checkzero
Optional
By default, zero field check is
performed on RIP-1 packets.
Table 209 Set RIP-2 packet authentication mode
Operation Command Description
Enter system view system-view -
Enter interface view
interface interface-type
interface-number
-