From: seadon (seadon@attbi.com)
Date: Tue Oct 15 2002 - 17:19:09 GMT-3
Disable validation of source addresses refers to "no
validate-update-source" documented further down on the same link's page. It
disables validating the source address for rip and other routing (not routed
as stated) protocols. Probably has to do with the source address seen
during spoofing or something like that for DDR links. At least thats what
my research came up with.
Don
----- Original Message -----
From: <rjonathan@hotpop.com>
To: <ccielab@groupstudy.com>
Sent: Monday, October 14, 2002 7:05 PM
Subject: RIP & DDR
> Dear Group,
>
> In the CCO,
>
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121cgcr/dial
ts_c/dtsprt5/dcdhwddr.htm#xtocid2946516
>
> It stated that, when you configured DDR, at minimum we "must"
> disable validation of source address.
>
> What is the mechanism of validating source-ip address ?
> Is it done by validating the reachability of the source ip address ?
> Or is it done by comparing the source ip address with the subnet where the
> routing updates come from ?
> Or may be by other methods ?
>
> And why should we disable validation of source address when configuring
DDR
> ?
>
> I'm a bit confused and can't find detailed explanation on this thing.
>
> Appreciate if anyone can shed some light of point me to good resource.
>
> Thanks in advance.
>
> Regards,
> Ronny
>
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