From: Huan Pham (Huan.Pham@peopletelecom.com.au)
Date: Thu Sep 04 2008 - 03:00:12 ART
Hi Shine,
If you run dynamic routing between R1 BB1, R2-BB2 and R1 - R2, then you
can use the dynamic routing protocol to detect failure and route traffic
accordingly. You then only need a floating default static route on R2
pointing to R3.
If you run static routing on R1 and R2, then you should use enhanced
object tracking and tie that object with the static routes, as well as
HSRP tracking. Make sure R2 has a higher priority, so it is the active
HSRP router when both R1 and R2 lost connectivity to BB routers. You
need a floating static route with high admin distance on R2 pointing to
R3.
Let me know if you see any issue with this solution,
Cheers,
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Shine Joseph
Sent: Thursday, 4 September 2008 3:21 PM
To: 'Cisco certification'
Subject: Backup Solution
Hi Folks,
I am running a test lab as follows:
R1------------BB1
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R2------------BB2
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R3
R1 is connected to BB1
R1 is connected R2
R2 is connected to BB2
R2 is connected R3
R1 and R2 is running HSRP. If R1 loses the link to BB1 or R2 loses the
link to BB2 the other router servers the users. If R1 loses BB1 and R2
loses BB2,
R2 must route traffic through R3. I am wondering what would be the best
solution for this.
Any pointers are welcome.
Regards,
Shine
Blogs and organic groups at http://www.ccie.net
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