[Openstack-operators] floatin ip issue
Paras pradhan
pradhanparas at gmail.com
Mon Oct 27 14:47:28 UTC 2014
*Yes it got its ip which is 192.168.122.194 in the paste below.*
--
root at juno2:~# ip netns exec qrouter-34f3b828-b7b8-4f44-b430-14d9c5bd0d0c ip
-4 a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group
default
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
14: qr-ac50d700-29: <BROADCAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UNKNOWN group default
inet 50.50.50.1/24 brd 50.50.50.255 scope global qr-ac50d700-29
valid_lft forever preferred_lft forever
15: qg-d351f21a-08: <BROADCAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UNKNOWN group default
inet 192.168.122.193/24 brd 192.168.122.255 scope global qg-d351f21a-08
valid_lft forever preferred_lft forever
inet 192.168.122.194/32 brd 192.168.122.194 scope global qg-d351f21a-08
valid_lft forever preferred_lft forever
---
*stdbuf -e0 -o0 ip net exec qrouter... /bin/bash give me the following*
--
root at juno2:~# ifconfig
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:2 errors:0 dropped:0 overruns:0 frame:0
TX packets:2 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:168 (168.0 B) TX bytes:168 (168.0 B)
qg-d351f21a-08 Link encap:Ethernet HWaddr fa:16:3e:79:0f:a2
inet addr:192.168.122.193 Bcast:192.168.122.255
Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fe79:fa2/64 Scope:Link
UP BROADCAST RUNNING MTU:1500 Metric:1
RX packets:2673 errors:0 dropped:0 overruns:0 frame:0
TX packets:112 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:205377 (205.3 KB) TX bytes:6537 (6.5 KB)
qr-ac50d700-29 Link encap:Ethernet HWaddr fa:16:3e:7e:6d:f3
inet addr:50.50.50.1 Bcast:50.50.50.255 Mask:255.255.255.0
inet6 addr: fe80::f816:3eff:fe7e:6df3/64 Scope:Link
UP BROADCAST RUNNING MTU:1500 Metric:1
RX packets:345 errors:0 dropped:0 overruns:0 frame:0
TX packets:1719 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:27377 (27.3 KB) TX bytes:164541 (164.5 KB)
--
Thanks
Paras.
On Sat, Oct 25, 2014 at 3:18 AM, George Shuklin <george.shuklin at gmail.com>
wrote:
> Check out if qrouter got floating inside network namespace (ip net exec
> qrouter... ip -4 a), or just bash in to it (stdbuf -e0 -o0 ip net exec
> qrouter... /bin/bash) and play with it like with normal server.
>
>
>
> On 10/24/2014 07:38 PM, Paras pradhan wrote:
>
> Hello,
>
> 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=192.168.122.193,end=192.168.122.222 --disable-dhcp
> --gateway 192.168.122.1 192.168.122.0/24
>
> I can ping 192.168.122.193 using: ip netns exec
> qrouter-34f3b828-b7b8-4f44-b430-14d9c5bd0d0c ping 192.168.122.193
>
> but not 192.168.122.194 (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 192.168.122.1 > 192.168.122.194: ICMP echo request,
> id 2589, seq 312, length 64
>
> 11:36:41.360222 IP 192.168.122.1 > 192.168.122.194: ICMP echo request,
> id 2589, seq 313, length 64
>
>
> Ideas?
>
> Thanks
>
> Paras.
>
>
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