[Openstack-operators] floatin ip issue

Paras pradhan pradhanparas at gmail.com
Fri Oct 24 16:38:23 UTC 2014


Assigned a floating ip to an instance. But I can't ping the instance. This
instance can reach internet with no problem. But I can't ssh or icmp to
this instance. Its not a security group issue.

On my network node that runs l3, I can see qrouter. The extenel subnet
looks like this:

allocation-pool start=,end= --disable-dhcp

I can ping using: ip netns exec
qrouter-34f3b828-b7b8-4f44-b430-14d9c5bd0d0c ping

but not (which is the floating ip)

Doing tcp dump on the interace that connects to the external world, I can
see ICMP request but not reply from the interface :

11:36:40.360255 IP > ICMP echo request, id
2589, seq 312, length 64

11:36:41.360222 IP > ICMP echo request, id
2589, seq 313, length 64



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