I perhaps didn't do as much reading regarding swapping HSRP for VRRP. Nothing broke, Server 2008 and 2003 environment with some Novell. And a few hundred XP/Win7 users.
That was on an all IPv4 network though. On Thu, Mar 21, 2013 at 12:14 PM, David Hubbard <dhubb...@dino.hostasaurus.com> wrote: > So this should be fun; I need to swich from HSRP to > VRRP to facilitate bringing in a second vendor's > hardware to interoperate. We run ipv4 and > ipv6 (static assignments) and the VLANs are a mix > of physical servers along with vmware guests on > Cisco UCS with the fabric interconnects in end-host > mode. Physical and vmware guest OS's are mostly > linux with a very small number of Windows. > > I've read that at least on the ipv4 side, many > Windows servers will not accept the gratuitous arp > when vrrp is brought up so they'll just sit there > happily talking to the dead hsrp MAC. I can't find > much of any info on how they'd deal with the change on > the ipv6 side. Not a huge deal either way since > the Windows stuff is minimal but would like to go > in knowing what to expect and what needs to be done. > > On the linux side, I'm pretty sure it will accept the > arp and update the ipv4 default gateway mac; at least > it does when testing MITM attacks. Would love to > hear real world experience with this though. For > ipv6, I can't find much on what it does if its > previously learned router's link local address goes > unreachable, if it will replace the neighbor table > entry with the new vrrp advertised entry, do a > solicitation on its own, etc. > > I'd greatly appreciate any input, thanks, > > David > > _______________________________________________ > cisco-nsp mailing list cisco-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ -- Alex Presse "How much net work could a network work if a network could net work?" _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/