Tou can configure the switch to send all traffic for this mac to both ports, always. It make it more a hub for this mac:
*mac address-table static 0300.5e01.0101 vlan 200 interface TenGigabitEthernet1/4 TenGigabitEthernet1/5* *A bit dumb, just time to find root cause.* *tcpdump while this happening may help* Cordialement, Mathieu CHATEAU http://www.lotp.fr 2015-07-29 15:46 GMT+02:00 Emilio Campos <emilio.campos.mar...@gmail.com>: > Try with ping. Some network devices requiere this kind of packets in order > to update the arp table. > El 29/07/2015 10:58, "Matt ." <yamakasi....@gmail.com> escribió: > >> Hi, >> >> I have checked out some extra settings I might need to make, but it >> should not matter. Do you have any idea yet ? >> >> 2015-07-28 15:21 GMT+02:00 Matt . <yamakasi....@gmail.com>: >> > Hi, >> > >> > As far as I can see Layer 2, but this device is doing Layer3. >> > >> > >> > >> > 2015-07-28 15:11 GMT+02:00 Mathieu Chateau <mathieu.chat...@lotp.fr>: >> >> Is it only a layer2 or layer3 (routing) too ? >> >> >> >> >> >> Cordialement, >> >> Mathieu CHATEAU >> >> http://www.lotp.fr >> >> >> >> 2015-07-28 14:44 GMT+02:00 Matt . <yamakasi....@gmail.com>: >> >>> >> >>> Hi, >> >>> >> >>> OK thanks for the update. >> >>> >> >>> I see this happening on Cisco Switches, at this moment a 3030. >> >>> >> >>> Cheers, >> >>> >> >>> Matt >> >>> >> >>> 2015-07-28 14:38 GMT+02:00 Mathieu Chateau <mathieu.chat...@lotp.fr>: >> >>> > Gratuitous arp may not be learned if send as multicast. >> >>> > >> >>> > I know that on Nokia firewalls (now Checkpoint) you have a checkbox >> to >> >>> > accept mac address learning this way. >> >>> > >> >>> > Check with wireshark/tcpdump what's happening (send/received) >> >>> > >> >>> > Mac address should be the virtual one and so does not change. >> >>> > Only switch have to learn that the virtual mac is now on another >> port. >> >>> > >> >>> > What is your switch/router model ? Manageable ? >> >>> > >> >>> > >> >>> > Cordialement, >> >>> > Mathieu CHATEAU >> >>> > http://www.lotp.fr >> >>> > >> >>> > 2015-07-28 13:56 GMT+02:00 Matt . <yamakasi....@gmail.com>: >> >>> >> >> >>> >> Hi, >> >>> >> >> >>> >> When I do a failover I still need to do >> >>> >> >> >>> >> "clear ip cache" >> >>> >> >> >>> >> to make it all working well again, especially for my Farm IP's >> where >> >>> >> my clients talk to. >> >>> >> >> >>> >> A low arp table is not advisable, but Gratuitous ARP which Zen >> should >> >>> >> do, doesn't work that well ? >> >>> >> >> >>> >> Please advise. >> >>> >> >> >>> >> Thanks, >> >>> >> >> >>> >> Matt >> >>> >> >> >>> >> >> >>> >> >> >>> >> >> ------------------------------------------------------------------------------ >> >>> >> _______________________________________________ >> >>> >> Zenloadbalancer-support mailing list >> >>> >> Zenloadbalancer-support@lists.sourceforge.net >> >>> >> >> https://lists.sourceforge.net/lists/listinfo/zenloadbalancer-support >> >>> > >> >>> > >> >>> > >> >>> > >> >>> > >> ------------------------------------------------------------------------------ >> >>> > >> >>> > _______________________________________________ >> >>> > Zenloadbalancer-support mailing list >> >>> > Zenloadbalancer-support@lists.sourceforge.net >> >>> > >> https://lists.sourceforge.net/lists/listinfo/zenloadbalancer-support >> >>> > >> >>> >> >>> >> >>> >> ------------------------------------------------------------------------------ >> >>> _______________________________________________ >> >>> Zenloadbalancer-support mailing list >> >>> Zenloadbalancer-support@lists.sourceforge.net >> >>> https://lists.sourceforge.net/lists/listinfo/zenloadbalancer-support >> >> >> >> >> >> >> >> >> ------------------------------------------------------------------------------ >> >> >> >> _______________________________________________ >> >> Zenloadbalancer-support mailing list >> >> Zenloadbalancer-support@lists.sourceforge.net >> >> https://lists.sourceforge.net/lists/listinfo/zenloadbalancer-support >> >> >> >> >> ------------------------------------------------------------------------------ >> _______________________________________________ >> Zenloadbalancer-support mailing list >> Zenloadbalancer-support@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/zenloadbalancer-support >> > > > ------------------------------------------------------------------------------ > > _______________________________________________ > Zenloadbalancer-support mailing list > Zenloadbalancer-support@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/zenloadbalancer-support > >
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