[c-nsp] C7200-I/O-GE+E and HSRP group limits

[Oliver Boehmer (oboehmer)]

Church, Chuck <mailto:cchurch at netcogov.com> wrote on Tuesday, March 22,
2005 5:29 PM:

> Is it just me, or is the output from 'sh stand cap' on that 7206VXR
> not terribly helpful?  It *may* support HSRP, but the number of groups
is
> unknown.  A 1720 running 12.2.11T I looked said the same thing.  But a
> 2621 running 12.3 did list actual group limits (256).  Is this a
> hardware limitation?

Ack, we should change this and also print sane values for other Ethernet
drivers (like the i82543). For now, "?" should mean "255" (== HSRP group
limit).. will file a DDTS as soon as a get a chance..

	oli


> 
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Oliver Boehmer
> (oboehmer)
> Sent: Tuesday, March 22, 2005 2:05 AM
> To: Clinton Work; Jon Lewis
> Cc: cisco-nsp at puck.nether.net
> Subject: RE: [c-nsp] C7200-I/O-GE+E and HSRP group limits
> 
> Clinton Work <> wrote on Tuesday, March 22, 2005 4:26 AM:
> 
>> IOS 12.2 doesn't accept that command. I think it was added in a later
>> IOS to answer exactly that question that I had.
> 
> Hmm, which 12.2 releae are you using? "show standby capability" went
> into 12.2(7.6) (CSCuk29834).
> 
> I am not aware of any VIP-like Address Filter (AF) limitation on the
> 7200 platform. "show standby cap" for a C7200-I/O-GE+E in 12.3 shows
> 
> router#show standby capability
> 7206VXR                                       * indicates hardware may
> support HSRP
>                                               |
> Interface          Type                       H  Potential Max Groups
> Ethernet0/0        134 i82543 (Livengood)     *  ?    (0x600F470C,
> 0x600F46EC)
> GigabitEthernet0/0 27  i82543 (Livengood)     *  ?    (0x600F470C,
> 0x600F46EC)
> 
> some ethernet drivers on the 7200 (like the DEC21140) have an AF
> limit, 
> but they enable promiscuous mode when this limit is hit and perform
> address filtering in the driver software (instead of the hardware)..
> 
> So I don't think you need to use "use-bia" (not that it hurts, IMHO)..
> 
> 	oli
> 
> 
> 
>> 
>> Jon Lewis wrote:
>> 
>>> What does
>>> show standby capability
>>> tell you?
>>> 
>>> 
>>> 
>> 
>> 
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