Hi, I configured a VSS as L3 for Core Campus. In fact I had some issues regarding VSL links, for this reason we decided to improve the switch-to-switch communication using Quad-Supervisor. But in Cisco Docs suggest VSS on aggregation or services switches.
Rgds. On Wed, Feb 13, 2013 at 11:55 AM, Andy Ellsworth <[email protected]> wrote: > For those of you running 6500 VSS and using the traditional 3-layer campus > model (core/distro/access) with a layer 3 core...do you use VSS in your > core? > > We are using VSS in the core and distro layers today, but the more > $WEIRD_THINGS software bugs we encounter that affect the whole VSS pair on > our distros, the less inclined I am to keep VSS in the core. > > My thinking is that at the distro layer, you at least get some significant > benefits for your layer 2 downlinks to your access switches (MEC, no STP, > no FHRPs). But in the core, where all of your connectivity is > point-to-point L3 links to distros, we can get all of those same benefits > with EC + ECMP OSPF (and we don't have anything hitting the core that would > need FHRPs). > > The conclusion I've come to is that VSS at the distro layer has significant > benefits with some downsides, while VSS for a L3 core has very few benefits > but increased risk of software/human error failures. > > Has anyone else gone through this thought exercise? > > -Andy > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > -- Omar E.P.T ----------------- Certified Networking Professionals make better Connections! _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
