I'm still waiting for the day that HSRP can use pure L2 addresses to communicate and not burn 3 ips...
On Wed, Jan 1, 2014 at 5:38 AM, Gert Doering <[email protected]> wrote: > Hi, > > On Tue, Dec 31, 2013 at 07:54:10PM +0000, Phil Mayers wrote: > > On 31/12/2013 19:40, Gert Doering wrote: > > >On Tue, Dec 31, 2013 at 03:59:18PM +0000, Phil Mayers wrote: > > >>(Note that changing the HSRP version does not have this property; the > > >>old vMAC will be removed from the FDB, and the box won't forward > traffic > > >>destined to it) > > > > > >Could someone remind me why I have to change HSRP to v2 to be able to > > > > Not sure about that - maybe some fixed-size field in the HSRPv1 packet? > > Been a while since I looked at it in a sniffer. > > Having a different packet format for IPv6 makes sense, as, uh, it's not > IPv4 anyway :-) - but forcing me to move our IPv4 HSRP groups to v2 (which > incurs a reachability hit) to be able to enable *different* HSRP groups > for IPv6 later on is just so slightly annoying. > > [..] > > HSRP has a lot of weird edge cases on Cisco gear. IIRC a lot of them > > relate to the size of the CPU MAC-address receive filter, and other > > tedious crap that wouldn't matter if they moved off CPUs from last > > millenium. > > True. Plus programmers that have never worked with a real network, > where things actually *evolve* over time... > > [..] > > In fairness to Cisco, other vendors have blind spots. Juniper makes you > > type a truly tedious amount of config to get VRRP working, though at > > least commit scripts can automate that out of existence. > > True, that one was done by someone who never had to do a router setup > as well, I bet. > > gert > > -- > USENET is *not* the non-clickable part of WWW! > // > www.muc.de/~gert/ > Gert Doering - Munich, Germany > [email protected] > fax: +49-89-35655025 > [email protected] > > _______________________________________________ > 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/
