Thank Scott, I will take a look at that. 32 might just be enough for what we want to accomplish.
On Mon, Apr 30, 2012 at 3:31 PM, Scott Voll <[email protected]> wrote: > run your 3750's in a HSRP setup. weight the one in the building to be > primary for the vlan's in that building and do the oppisite in the other > building. > > we do it here and it works pretty slick. > > Not knowing the size of your buildings.... it is possible to run out of > HSRP instances. I think we topped our 3750E off at 32. > > Not sure what your looking at for total vlans. > > YMMV > > Scott > > On Mon, Apr 30, 2012 at 12:08 PM, Kevin Seich <[email protected]> wrote: > >> We have 2 buildings on our Campus right next to each other. They are >> connected by 10 Gb fiber pulls. Each building has it's own generator and >> UPS. Each building has it's own ISP. We have an ASA 5520 failover pair, >> one in each building. We have 2 - 3750x stacked in each building as a >> core. We are currently a flat network, a /16. We are in the >> design/brainstorming phase of segmenting this into vlans. We'd like to >> take the burden off the ASA for routing and do all inter vlan routing on >> the 3750s. From what we can see, you cannot treat the 3750s as a failover >> pair, like the ASAs. What are our options in segmenting this? >> >> 1 We can do all routing on the ASAs. This would achieve the same >> redundancy we have now, but put the burden on the ASA for routing all >> vlans. >> >> 2 Put the routing on the 3750 stack. This would essentially break our 2 >> buildings into separate networks, separate , non-overlapping vlans in each >> building. reconfigure services to talk across the buildings and vlans. >> >> 3 put in routers behind the ASAs that handle all the vlan routing. These >> function in a failover pair. this keeps the redundancy we are looking for >> but we are not utilizing the layer 3 capability that we paid for on the >> 3750s. >> >> Are there other options? What have you guys/girls done? >> >> Looking for any other input you have just to spark the design creativity. >> >> Thank you ! >> Kevin >> _______________________________________________ >> cisco-nsp mailing list [email protected] >> https://puck.nether.net/mailman/listinfo/cisco-nsp >> archive at http://puck.nether.net/pipermail/cisco-nsp/ >> > > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
