From: Howard C. Berkowitz (hcb@gettcomm.com)
Date: Fri Jun 06 2003 - 13:09:07 GMT-3
At 4:57 PM -0500 6/5/03, MADMAN wrote:
> Here is the scoop:
>
>http://www.cisco.com/en/US/customer/products/hw/switches/ps700/products_qanda_item09186a008011c6bb.shtml
>
> Dave
I couldn't access this without a customer login, but in general,
there have been hardware restrictions on the number of HSRP groups.
In the early implementations, the Ethernet chips had memory to
respond to two MAC addresses.
The 7000, IIRC, had the first chip that had eight memory slots for
MAC address. That was the first platform that supported overlapping
groups, then 4500/4700.
Since MAC address lookup needs to be very high speed, it's almost
certainly going to be hardware-assisted. I could see some high-end
switches having ASICs for it, rather than relying on the Ethernet
chip, but the number of groups is likely always to be
hardware-limited.
>
>Walker, James, IS wrote:
>>That is correct, we ran into same problem and Cisco verified it to be true.
>>
>>Jim
>>
>>
>>
>>
>>-----Original Message-----
>>From: kurt [mailto:kurt@cybernex.net]
>>Sent: Thursday, June 05, 2003 1:20 PM
>>To: ccielab@groupstudy.com
>>Subject: hsrp q? more than 16 sb groups not supported ?
>>
>>
>>hi i'm trying to more several vlans out of group0 and get this message ?
>>i thought 256 groups were supported ?
>>it is an msfc2 .
>>is this a software limitation ?
>>should i use-bia ? on groups over 16 ?
>>
>>mfsc1(config-if)#standby 26 priority 95
>> More than 16 standby groups not supported in this platform.
>>
>>mfsc1(config-if)#
>>
>
>
>--
>David Madland
>CCIE# 2016
>Sr. Network Engineer
>Qwest Communications
>612-664-3367
>
>"Government can do something for the people only in proportion as it
>can do something to the people." -- Thomas Jefferson
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