[Openstack-operators] Fwd: FOLSOM: Reachability across subnets

Oleg Gelbukh ogelbukh at mirantis.com
Sat Nov 24 07:21:04 UTC 2012


Hello,

Just to make sure, what is ip_forward set to on the router?

--
Oleg Gelbukh
Sr. IT Engineer,
Mirantis IT


On Fri, Nov 23, 2012 at 4:33 PM, Shyam Goud <shyam.todeti at oneconvergence.com
> wrote:

> All,
>
> Under one Tenant created 1 network with 2 subnets [10.10.10.0/24 and
> 20.20.20.0/24] and 1 Router with 2 interfaces attached to corresponding
> subnets.
>
> 1. Ping b/w same subnet VMs successful.
> 2. Ping to all Router/DHCP (10.10.10.1 & 2/20.20.20.1 & 2) from both
> subnet VMs is successful
> 3. Ping across subnet VMs fails.
>
> Am I missing something here, to reach across subnets ?
>
> ++++++++++++ Router's routing table +++++++++++++
> controller-desktop:~# ip netns exec
> qrouter-f3554f15-78c0-4402-**8df5-55ebb8da3f4c route -n
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref Use Iface
> 10.10.10.0      0.0.0.0         255.255.255.0   U     0 0        0
> qr-ff10b98d-55
> 20.20.20.0      0.0.0.0         255.255.255.0   U     0 0        0
> qr-c5c00091-e4
> root at controller-desktop:~#
> ++++++++++++++++++++++++++++++**+++++++++++++++++++
>
> Thanks,
> Shyam.
>
>
>
>
>
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