| Loosing network connectivity to containers [message #51457] |
Thu, 12 June 2014 16:56 |
loki
Messages: 6
Registered: June 2014
Location: Canada
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Junior Member |
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Hi,
I have an OpenVZ HW node setup on OVH with vRack. Once routes are setup for the vRack it works well but, randomly after every 2-3 hours i loose connectivity from and to virtual machines.
I can restore connectivity after doing service vz restart .. i am trying to figure what drops the connection, and why reloading the CT's would fix the issue.
While CT's are down i run
tcpdump -i eth1
And i see ping requests i do from the outside :
12:25:13.998153 ARP, Request who-has 192.x.x.x tell 192.x.x.x, length 46
From the CT's if i ping 8.8.8.8 i get the following on the HW node tcpdump :
12:26:38.771655 IP 192.x.x.x > google-public-dns-a.google.com: ICMP echo request, id 31618, seq 1, length 64
12:26:39.005798 ARP, Request who-has 192.x.x.xtell 192.99.x.x, length 46
12:26:39.176141 ARP, Request who-has 192.x.x.xtell 192.99.x.x, length 46
12:26:39.771720 IP 192.99.x.x> google-public-dns-a.google.com: ICMP echo request, id 31618, seq 2, length 64
Any idea would be greatly appreciated.
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