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HSRP and No ip redirect.

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Shoko TAKAHASHI

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Oct 19, 1998, 3:00:00 AM10/19/98
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Hi,

Does anyone know, why does insert automatically configuration "no ip
redirect", if I use HSRP(standby) configuration ?

Must I NOT use both "standby" and "ip redirects" same time, on same
interface?

Thanks in advance.
-----
Shoko TAKAHASHI.
mailto: sh...@nikkei.co.jp


Matt Clark

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Oct 19, 1998, 3:00:00 AM10/19/98
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Shoko TAKAHASHI wrote:

> Does anyone know, why does insert automatically configuration "no ip
> redirect", if I use HSRP(standby) configuration ?
>
> Must I NOT use both "standby" and "ip redirects" same time, on same
> interface?

Because if the active HSRP router had redirects enabled then it would
send ICMP redirects pointing clients at its 'real' IP address rather
than letting them continue using the 'virtual' one. Since there is no
way of knowing in advance which router will be active, both must have
this enabled.

Matt

Kent Hundley

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Oct 19, 1998, 3:00:00 AM10/19/98
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Hello,

1) That's normal behavior for HSRP

2) Correct, HSRP and ip redirects are mutually exclusive on an interface

Do you have a situation where you need the ip redirects on an HSRP
interface? If your getting lots of packets that need redirection, use the
command 'ip route-cache same-interface' to improve performance.

HTH,
Kent

Kent Hundley
kent_h...@ins.com

At 01:58 PM 10/19/98 +0900, you wrote:
>Hi,

>
>Does anyone know, why does insert automatically configuration "no ip
>redirect", if I use HSRP(standby) configuration ?
>
>Must I NOT use both "standby" and "ip redirects" same time, on same
>interface?
>

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