From: ALL From_NJ (all.from.nj@gmail.com)
Date: Mon Feb 02 2009 - 16:52:48 ARST
I am learning to search the docs ... I have a feeling I will need them!!!
;-)
Here is a link to this command (watch the ugly word wrap):
http://www.cisco.com/en/US/docs/ios/iproute/command/reference/irp_rip.html#wp1012874
Copied and pasted from the link:
To have the Cisco IOS software validate the source IP address of incoming
routing updates for Routing Information Protocol (RIP) and Interior Gateway
Routing Protocol (IGRP) routing protocols, use the validate-update-source
command in router configuration mode. To disable this function, use the no
form of this command.
validate-update-source
no validate-update-source
---->>>> Usage Guidelines
This command is applicable only to RIP and IGRP. The software ensures that
the source IP address of incoming routing updates is on the same IP network
as one of the addresses defined for the receiving interface.
Disabling split horizon on the incoming interface will also cause the system
to perform this validation check.
For unnumbered IP interfaces (interfaces configured as IP unnumbered), no
checking is performed.
Examples
The following example configures a router not to perform validation checks
on the source IP address of incoming RIP updates:
router rip
network 10.105.0.0
no validate-update-source
HTH,
On Mon, Feb 2, 2009 at 1:43 PM, Rsharma <cciers09@gmail.com> wrote:
> Hi,
>
> Validate Update source command in RIPv2 n IGRP .
> What exactly is being scanned by protocol to validate ....????
>
> can anyone zoom on Validate action ??
>
> Thanks
> Rsharma
>
>
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