[c-nsp] Different Supervisor in 7609 + High Availability (SSO + NSF + GR)

[Chris Evans]

You will need to reboot due to enable the new pfc mode anyways.
On Jul 17, 2011 5:36 PM, "Matlock, Kenneth L" <MatlockK at exempla.org> wrote:
> If the 2nd one will even come up, it will almost definitely come up in RPR
mode instead of SSO. So you're going to take a hit on all your linecards
when trying the switchover. (My guess is the other will get stuck in
'standby cold' state).
>
> If it were me I'd just take a downtime hit and replace them both at the
same time.
>
> Ken
>
> ________________________________
>
> From: cisco-nsp-bounces at puck.nether.net on behalf of cisco-pe
> Sent: Sun 7/17/2011 1:46 PM
> To: Gert Doering
> Cc: cisco-nsp
> Subject: Re: [c-nsp] Different Supervisor in 7609 + High Availability (SSO
+ NSF + GR)
>
>
>
> Hi Gert,
> Thank you for your response. Following your recommendations, I am planning
> to replace my most important router with the new sup (RSP 720-3C) and
re-use
> the WS-720-3B to implement dual-sup in the other routers.
>
> The idea is the follwong:
> Main Router 7609-S with dual-sup WS-720-3B (02)
> - Replace the stand-by sup (WS-720-3B) by one RSP 720-3C.( here the
> critical point, I will try to test in lab if I get all the resources)
> - Switchover to RSP 720-3C and then this sup become the active sup.
> - Replace the old WS-720-3B by one RSP 720-3C and at the end, to have one
> 7609-S with 02 RSP 720-3C
>
> Best Regards
> JC
>
>
> On Sun, Jul 17, 2011 at 2:17 PM, Gert Doering <gert at greenie.muc.de> wrote:
>
>> Hi,
>>
>> On Sun, Jul 17, 2011 at 01:38:16PM -0500, cisco-pe wrote:
>> > Is it possible to use two different supervisor in one 7609? (WS-720-3B
>> and
>> > RSP 720-3C)
>> > At this moment we are using a number of 7609 with only one supervisor
>> > (WS-720-3B), and we want to implement HA using a second supervisor (RSP
>> > 720-3C).
>>
>> Can't answer that bit, sorry. (It might work, and fall back to "3B"
>> capabilities - but very likely TAC will tell you "this is unsupported",
>> and quite likely, IOS will just crash).
>>
>> If you have multiple routers anyway, I'd just move half the routers
>> to dual-RSP720 and the Sup720-3B that are no longer in use there can be
>> used in the other half for dual-Sup720-3B setups...
>>
>> > Another question: We are using the GE port on the main supervisor for
the
>> > Uplink connection, if we use the GE interface on the second supervisor,
>> is
>> > it possible to use this link to implement load balancing ?
>> > Or this link only will be active when the supervisor change from
stand-by
>> to
>> > active??
>>
>> On a 6500/7600 with (supported - see above :) ) dual supervisors, all
>> ports can be used.
>>
>> gert
>> --
>> USENET is *not* the non-clickable part of WWW!
>> //
>> www.muc.de/~gert/
>> Gert Doering - Munich, Germany
>> gert at greenie.muc.de
>> fax: +49-89-35655025
>> gert at net.informatik.tu-muenchen.de
>>
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