Forum Discussion
Nom_55811
Nimbostratus
NimbostratusRouting back via same interface
Hi All,
I've been search for a solution to this on and off for the last couple of weeks, and haven't been able to find anything so far, so I thought I might post here... bear with me as I try to explain what we're trying to achieve.
Our requirement is to deploy two VLANs for VIP classes, one with internal IP addressing, and another with external IP addressing.
For example,
123.123.123.0/24 - Public VIP space
10.10.10.0/24 - Private VIP Space
Although not necessarily relevant to the problem, we then have two internal address ranges for servers, based on the roles they are performing.
10.10.1.0/24 - Private Server Space
10.10.2.0/24 - Private Server Space
In order to simplify ACL configuration on the rest of our network, we want to ensure that all traffic which hits a private IP range VIP (ie. 10.10.10.1) will be routed back through the same VLAN (gateway 10.10.10.254). The same applies for traffic which comes into a public IP VIP (123.123.123.1 traffic goes back via 123.123.123.254).
Is it possible to achieve this?
4 Replies
hoolioCirrostratus
Hi Nom,
You can use auto lasthop to ensure a response goes back out the same VLAN to the same MAC address as the request came in on. This option is enabled by default.
Have you tried testing to see if it works with your existing configuration?
Aaron
Nom_55811Ok, perhaps I'll need to dig into the documentation more.
The only thing I can't wrap my head around is how that routing is going to happen... do I configure a default gateway or not at all?- Nom_55811Never mind, now that I know what to look for, Google gave me the answer.
- chuck_16066Nom,
I am also interested in how to achieve this. If you don't mind, can you post what you have found or links? Thanks.
--chuck
