From: Copleston Daniel (Daniel.Copleston@ukomfs.com)
Date: Fri May 09 2003 - 04:12:28 GMT-3
If you are using interface tracking then preempt is needed even if you only
have 2 routers to work properly.
Daniel
-----Original Message-----
From: huang gang [mailto:bgv@ggv.com.cn]
Sent: 09 May 2003 06:49
To: Hunt Lee; 'Jay Chandradas'
Cc: ccielab@groupstudy.com
Subject: Re: HSRP question
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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