[c-nsp] 2 x 3550 with HSRP

[sthaug at nethelp.no]

> Sorry correction included:
> 
> Yes you need to have an HSRP config under each VLAN interface that you want it to participate in. Yes they support ( I believe) 255 HSRP groups.

3550 supports only 16 unique group numbers. See

http://www.cisco.com/en/US/products/hw/switches/ps646/products_qanda_item09186a00801cb707.shtml#q1

And note that you need the EMI software to use HSRP.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no


> 
> Switch A - Primary
> 
> interface Vlan 6
> ip address y.y.y.y
> standby 1 priority 110 preempt
> standby 1 ip x.x.x.x
> standby 1 authentication 
> 
> Switch B - Secondary
> 
> interface Vlan 6
> ip address z.z.z.z
> standby 1 priority 100 preempt
> standby 1 ip x.x.x.x
> standby 1 authentication 
> 
> You can also tweak the timers for faster failover and configure interface tracking if needed. See http://tinyurl.com/3tuak
> --
> Rob Crowe 
> rwcrowe at comcast.net
> 
> -------------- Original message -------------- 
> 
> > >From the research I've done, I've confirmed that you can take two 3550 
> > switches and use HSRP. 
> > 
> > However, I want a sanity check. 
> > 
> > For HSRP to work, I will need to setup HSRP for each VLAN. 
> > If I have 6 VLANs, then I will need to have 6 HSRP configurations? 
> > Do the 3550's support having HSRP for each VLAN? 
> > 
> > If anyone has sanitized configs they want to send, they would be 
> > appreciated. Unfortunately I don't have 3550's in my test environment, and 
> > will have to set this up on production switches. 
> > 
> > Dave 
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