On a 6509 with two MSFC2s both MSFCs are active, i.e.
both are capable of routing.
If you only want to use on , only configure one. There
are articles on the Cisco website which show you how
to use both.
you can use both to do routing for different VLANS,
i.e. loadsharing.
you can also configure them for failover. i.e one
active other standby. again there are articles on
cisco website for redundancy for MSFC2s. you can have
then sync configs too.
I have run into this exact situation and have a
implementation with two core 6509s with dual msfc2
running in a redundant config.
the command used is the "alt" command with the standby
statement.
Faisal
--- David C Prall wrote:
> ----- Original Message -----
> From: "Thomas N."
> > I have a problem here with HSRP on 6509. The
> Cisco 6509 has 2 MSFC cards.
> > As I understand correctly, only the first card
> (active one) does the
> > routing. The second card (standby one) should do
> NOTHING, unless the
> first
> > card goes down (please correct me if I am wrong).
> In my case, things are
> > different. It seems both cards do the routing.
> When I do a trace on a
> > destination, the result flips flop between the
> actually IP addresses of
> the
> > vlan on both cards. Let's say I have VLAN 100
> with:
> >
> > Virtual IP address = 10.100.1.100 255.255.0.0
> > IP address on first card (active) = 10.100.1.1
> 255.255.0.0
> > IP address on second card (standbly) = 10.100.1.2
> 255.255.0.0
> >
> > When I do the trace on a destination that pass
> through this 6509, some
> path
> > includes 10.100.1.1, while other includes
> 10.100.1.2
> >
> > Is there some way I can check if the HSRP is
> configured correctly on my
> > 6509? Thanks in advance!
> >
> > Thomas
> >
>
> One issue could be the fact that the standby address
> is only used as the
> default gateway for workstations. Routing protocols
> use the physical
> address.
>
> Another issue could be the fact that you have both
> MSFC's configured
> seperately, not as a redundant pair. In this case,
> half of your VLAN's are
> being routed by one MSFC, while the other half are
> routed by the second.
> You'll run into some assymentric routing issues with
> this configuration, but
> they can be worked through. The plus for this
> config, is that you have twice
> the processing power to handle process switched
> packets.
>
>
> David C Prall [EMAIL PROTECTED]
> http://dcp.dcptech.com
[EMAIL PROTECTED]
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