Hi, as long as you don't enable "ipv6 unicast-routing" it shouldn't send out any RAs anyway. this is at least what I've seen on all Cisco devices so far.
best Enno On Tue, Jan 07, 2014 at 09:47:20AM -0700, John Neiberger wrote: > I have a 4948 running 12.2(53)SG2 connected via trunk to an upstream > router. I need to do some testing (long, unrelated story) because > we're having some IPv6-related issues with devices in a certain VLAN > on that switch. I can't test to a production server, so I was thinking > about adding an IPv6 address to the SVI for that VLAN on the switch. > The switch currently does not have an SVI for that VLAN since the > upstream router is doing the router. I just want the switch to be an > IPv6 host on that subnet. My concern is that I don't want the switch > to start acting like a router, e.g. sending Router Advertisements. > That would be a bad thing. > > The documentation for 12.2(53)SG2 doesn't even mention IPv6 but the > commands are there. What would be the best (safest) way to do this? > Should I configure "ipv6 nd ra suppress" and then configure an IPv6 > address on the SVI? > > It's sad that I'm so wary of this but this is a production vlan and I > don't want hosts on that switch to suddenly think the switch SVI is a > default router. I'm probably over-thinking it, but better safe than > sorry. I'm still trying to get a handle on first hop issues and FHRPs > in IPv6 and have to say that the landscape is a little confusing. > > Any thoughts? > > Thanks, > John > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ -- Enno Rey ERNW GmbH - Carl-Bosch-Str. 4 - 69115 Heidelberg - www.ernw.de Tel. +49 6221 480390 - Fax 6221 419008 - Cell +49 173 6745902 Handelsregister Mannheim: HRB 337135 Geschaeftsfuehrer: Enno Rey ======================================================= Blog: www.insinuator.net || Conference: www.troopers.de ======================================================= _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
