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Network specialist (GRE TUNNEL)
jordynegen11
Member
in Requests
Hi,
I have 2 servers. One in datacenter 1 and one in datacenter 2.
The server in datacenter 1 is a normal Centos 7 dedicated server with 2x /26 subnets (DDoS protected OVH)
The server in datacenter 2 is a KVM based hypervisor running on Centos 7
I want to use the /26 subnets of server 1 on the virtual machines on server 2. I was told this can be done via a GRE tunnel.
I successfully setup a GRE tunnel between to server but I don't know how to route the public subnets over this GRE tunnel and use them on my virtual machines.
I'm searching for someone who can do this for me and/or provide me with the right commands to do this.
If you know how to do this please contact me here or add me on discord: jordynl#0001
and tell me your price.
Thanks!
This discussion has been closed.
Comments
Why 3 posts, man? Why?!
The third time's the charm, some idiots say.
Or
OP has a memory span of an ant.
This knowledge would actually be useful.
I to have wanted to know how to do this.
Seems to me most people gawk at the idea when asked how to do.
If I recall most google results only tell you how to route private IPs, but no guides on how to directly bind to remote public IPs
Open a new thread for that.
Huge thanks to @malek for helping me out! It's working now!
@Actavus I will create a how-to in the next days.
@mods sorry for the double posts
looks like that CCNA was worth it... lol
basically, set up a GRE tunnel between two servers. add a static route for the subnet (was a /26 in this case) to the other end of the tunnel.
now on the 2nd server, add a routing table with a default gw of the tunnel IP & add a source rule for the subnet (which is assigned to the libvirt interface), so something like 'ip rule add from subnet/26 table ovh'.
More like triple...
Anyway, since it’s all working, I’ll close the thread. If you need it re-opened, feel free to send any staff member a PM or open a new thread (if you’re going to post the tutorial).