From: huang gang (bgv@ggv.com.cn)
Date: Fri May 09 2003 - 02:49:07 GMT-3
if it is only two routers in the ethernet,the "preempt" in the lower priority ones is not need.but using it has no bad influence,so why not use?
huangg
email: bgv@ggv.com.cn
Tel: 010-62984668-3912
----- Original Message -----
From: "Hunt Lee" <huntl@webcentral.com.au>
To: "'Jay Chandradas'" <jachandr@cisco.com>
Cc: <ccielab@groupstudy.com>
Sent: Friday, May 09, 2003 8:00 AM
Subject: RE: HSRP question
> So should I need the preempt keyword on both routers or not?
>
> Thanks.
>
> Regards,
> Hunt
>
> -----Original Message-----
> From: Jay Chandradas [mailto:jachandr@cisco.com]
> Sent: Friday, 9 May 2003 7:54 AM
> To: Jay Chandradas; lg01; ccielab@groupstudy.com
> Subject: RE: HSRP question
>
>
> I thought I should correct my self :-) sorry if I mislead you.
>
> http://www.cisco.com/warp/customer/619/hsrpguidetoc.html#features
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Jay Chandradas
> Sent: Thursday, May 08, 2003 11:15 AM
> To: lg01; ccielab@groupstudy.com
> Subject: RE: HSRP question
>
>
> The standby preempt interface configuration command allows the router to
> become the active router when its priority is higher than all other
> HSRP-configured routers in this Hot Standby group. Being said that, I think
> w/o preempt command router B will not become active, even if router A is
> offline.
>
> This is what I think ..
>
> -Jay
> CCIE#8060 ( R&S, Security )
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> lg01
> Sent: Thursday, May 08, 2003 8:37 AM
> To: ccielab@groupstudy.com
> Subject: HSRP question
>
>
> Hello Group,
>
> If I have 2 ethernet interfaces routers configured with HSRP, is it
> necessary to have the "preempt" option on the 2nd (lower priority router)?
>
> Say RouterA
>
> int eth0
> ip address 192.168.1.1 255.255.255.0
> standby 1 ip 192.168.1.10
> standby 1 priority 200
> standby 1 authentication cisco
> standby 1 preempt
>
>
> And on RouterB
>
> int eth0
> ip address 192.168.1.2 255.255.255.0
> standby 1 ip 192.168.1.10
> standby 1 priority 150
> standby 1 authentication cisco
> standby 1 preempt ----- Is this needed?
>
> The logic I am thinking is that since RouterB has a lower HSRP priority, if
> RouterA is offline, it will become the primary router. But if RouterA is
> online, it will always be on Standby anyway, so I'm not sure whether there
> is any need for this.
>
> Any input / advice would be greatly appreciated.
>
> Regards,
> H.
>
>
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