Does anyone have a temporary fix to ping or update the arp cache on my switch from zen when it fails over ?
This is hitting me now I'm testing. Would be great! Matt 2015-08-03 10:35 GMT+02:00 Matt . <yamakasi....@gmail.com>: > What I can add to this comment is that one cluster was where i got an > error report from, my application does that when it cannot connect. > After this, as this can be compared with a ping/connect, it was able > to connect again. > > > > 2015-08-03 10:13 GMT+02:00 Matt . <yamakasi....@gmail.com>: >> Hi, >> >> Sorry for my delay but I needed to test this on production. >> >> The failover (back) went quite well, but I see some problems still. >> >> - Not all cluster start up well, most of the time 1-2 don't start and >> need to be manually started. >> - The ping didn't fix it >> - It seems that a cluster needs to be started and stopped when it >> doesn't accept any connection. >> >> So the ping is no solution in my case, anyway I think it should be build in. >> >> Is this some usefull information ? >> >> Thanks, >> >> Matt >> >> 2015-08-02 11:37 GMT+02:00 Emilio Campos <emilio.campos.mar...@gmail.com>: >>> Please confirm if ping solves your issue. A similar behaviour was found in >>> support channel and was solved with ping. If so we will add this for the >>> next zen CE release. >>> >>> Regards >>> >>> El 31/07/2015 13:40, "Matt ." <yamakasi....@gmail.com> escribió: >>>> >>>> Hi, >>>> >>>> Any update on this how Zen handles this normally or maybe should/could do >>>> ? >>>> >>>> Thanks! >>>> >>>> 2015-07-29 23:24 GMT+02:00 Matt . <yamakasi....@gmail.com>: >>>> > Hi, >>>> > >>>> > Yes I can try ping, but why isn't this default in Zen ? >>>> > >>>> > I thought it was or should be at least. >>>> > >>>> > Thanks >>>> > >>>> > 2015-07-29 22:32 GMT+02:00 Mathieu Chateau <mathieu.chat...@lotp.fr>: >>>> >> 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 >>>> >>> >>>> >> >>>> >> >>>> >> >>>> >> ------------------------------------------------------------------------------ >>>> >> >>>> >> _______________________________________________ >>>> >> 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 >>> ------------------------------------------------------------------------------ Monitor Your Dynamic Infrastructure at Any Scale With Datadog! 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