RIPv2 Lab summary configurations
#router rip
version 2
no auto summary (turn off auto summary)
Default parameters
Update interval - 30s
Invalid - 180s
Holddown - 180s
Flush - 240s
Can tune under router rip
timers basic (Update int) (Invalid) (Holddown) (Flush)
Authentication
- Define the Key
- Apply on the interface
Under config mode
#key chain Keyname
key 1
key-string password
under interface-config mode
#ip rip authentication key-chain Keyname (this is clear text)
Use MD5
#ip rip authentication mode md5
RIPv2 Updates
- By default, Multicast 224.0.0.9
Change type by these under router rip mode //use unicast
#passive-interface Fa1/0
#neighbor neighbor-IP-address
Change type under interface mode //use broadcast
#ip rip v2-broadcast
Validate update source
by default, RIP/IGRP valid the source IP as the same IP address as the connected link.
If not same, it will not update. To turn off this, under router rip mode
#no validate-update-source
Offset-list
To add an offset to incoming and outgoing metrics to routes learned via RIP,
use the offset-list router configuration command
#offset-list {access-list-number | name} {in | out} offset [type number]
define ACL
access-list 1 permit 10.0.0.0 0.255.255.255
Apply under router rip
offset-list 1 out 14 fa1/0
Routes summary under interface config mode
#ip summary-address rip 192.168.0.0 255.255.252.0
RIP commands
http://www.cisco.com/univercd/cc/td/doc/product/software/ios113ed/cs/csprtn1/csrip.htm#xtocid2534115
Tuesday, July 22, 2008
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