When you move to ipv6 :) Jey S. Network Engineer CCIE #41608
Sent from my iPhone > On 2 Jan 2014, at 18:17, Blake Dunlap <[email protected]> wrote: > > 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/ _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
