From: Truman Ford (truman.ccie@gmail.com)
Date: Sun Aug 31 2008 - 14:24:19 ART
Hi Stevens,
There is no interface errors at the etherchannel ports.
Any Clues PLEASE!!!!!
T
On 8/31/08, Wes Stevens <wrsteve33-gsccie@yahoo.com> wrote:
>
> VRRP uses a hello system to make sure that the master and the backups are
> alive.. If it is switching like that then the hello's are not getting
> through. Check your interfaces for dropped packets. Is there a large backup
> or another job that is doing a large transfer at the time that this is
> happening?
>
>
>
> ----- Original Message ----
> From: Truman Ford <truman.ccie@gmail.com>
> To: ccielab@groupstudy.com
> Sent: Sunday, August 31, 2008 5:25:20 AM
> Subject: VRRP Fluctuation, Need Expert help please!
>
> Hi,
>
> There are two core switches(cat 6509E) in which routers are connected
> through Fa or Gig link to the core switches and each routers is configured
> as VRRP.
> The strange thing is that, there is no logs in the routers or the switches
> when there was network outage for sometime. BUT, in syslog shows the VRRP
> stage changed from Backup ==>Master ==>Backup(fluctuation for some time )
> in
> all the secendary routers.
> Please could u suggest what caused the problem???
>
> There are two ether-channels in group of two each configured between two
> core switches, and none of the core switches/routers were reebooted or have
> any logs.
>
>
>
>
>
> router-1 (Pri)-------|Core-1|------------|
> Core-2|-------------------Router-1(sec)
> router-2 (pri)--------|
> |------------| |-------------------router-2(sec)
>
>
>
>
>
> Mny Thanks,
>
> Truman
>
>
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