[Pacemaker] Multicast pitfalls? corosync [TOTEM ] Retransmit List:

[Beo Banks]

hi


[bad udp cksum fa38!]

is that a normal?


node 1

 tcpdump -envv "port 5405" -i eth1
tcpdump: listening on eth1, link-type EN10MB (Ethernet), capture size 65535
bytes
08:46:01.230420 52:54:00:09:ef:2f > 52:54:00:ba:8a:1c, ethertype IPv4
(0x0800), length 149: (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto
UDP (17), length 135)
    10.0.0.21.hpoms-dps-lstn > 10.0.0.22.netsupport: [bad udp cksum fa38!]
UDP, length 107
08:46:01.440315 52:54:00:09:ef:2f > 01:00:5e:5e:01:01, ethertype IPv4
(0x0800), length 161: (tos 0x0, ttl 1, id 0, offset 0, flags [DF], proto
UDP (17), length 147)
    10.0.0.21.hpoms-dps-lstn > 226.94.1.1.netsupport: [bad udp cksum 7339!]
UDP, length 119
08:46:02.015321 52:54:00:ba:8a:1c > 52:54:00:09:ef:2f, ethertype IPv4
(0x0800), length 149: (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto
UDP (17), length 135)
    10.0.0.22.hpoms-dps-lstn > 10.0.0.21.netsupport: [udp sum ok] UDP,
length 10


2014-02-13 19:37 GMT+01:00 Digimer <lists at alteeve.ca>:

> On 13/02/14 12:01 PM, Beo Banks wrote:
>
>> hi thanks...for your help.
>> i have two node cluster
>> both node are running on seperate hosts.
>> the 2x hosts have 2 nic's ....eth0 is 172.XXX...whatever and eth1 is
>> direct connection (crossover cable) between the hosts.
>> the issue must be my kvm host,or?
>>
>
> What kind of bridging are you using? Standard NAT'ed virbr0 bridges? If
> so, can you/have you tried using traditional bridging? That should turn the
> bridge into more of a traditional switch instead of relying on packet
> routing... I've had no trouble with VM clusters, but I only ever tested
> with both VMs on the same host.
>
> Here's how I build my bridges:
>
> https://alteeve.ca/w/AN!Cluster_Tutorial_2#Configuring_our_Bridge.2C_
> Bonds_and_Interfaces
>
> Of course, you could create a stand-alone bridge and use brctl to attach
> the real interface instead of modifying the network config, if you just
> want to test. Once the bridge is built, simple adjust the VM's config to
> use the new bridge. If that works well, then you could consider a more
> permanent config.
>
> --
> Digimer
> Papers and Projects: https://alteeve.ca/w/
> What if the cure for cancer is trapped in the mind of a person without
> access to education?
>
>
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