04-24-2012 08:24 AM - edited 03-07-2019 06:19 AM
Hello,
Our network have remote branch, the networks are routing with OSPF and RIP (you can see the design in the scheme number 1)
We are going to add a Core and, the branches will be connected with fiber (see scheme number 2):
- 10 Gb between the 2 cores
- 1 Gb between the branches and core
In your Opinion, what is the best way to connect/route the branches/cores
- Between cores: for me 802.1Q as the two cores will have same vlans
- But between core/branches and branches/branches: OSPF or 802.1Q
Is is necessary to break the actual OSFP / RIP ?
I think to create a new vlan X, connect all the branches in this new vlan in mode access, and declare OSPF on each switch...
Thanks for your ideas,
Regards,
Gerald
04-24-2012 04:09 PM
Hi,
Since you are running OSPF, you can just use /30 IP subnets between each segment and put all your devices in one area (area 0). No need for 802.1q. The only place you may need 802.1q is connecting to your access switches if you have multiple vlans on them. Also, why are you using RIP at the same time with OSPF on all your routers. No need for 2 protocols.
HTH
04-24-2012 09:55 PM
Hello,
Thanks for your reply.
In fact Rip is used by partners. The network is more complicated than that
For Ospf we need to secure each branch with the new fiber, but we must keep the actual Ospf so we have to keep 10.1.0.0 /16 on each branch.
Do we have to create new subnet between each segment example 10.2.xx or subnet of 10.1.0.0/16 as 10.1.1.x/30 ?
Thanks a lot,
Regards,
Gérald
05-03-2012 12:30 AM
Hello,
I have worked on 3 scenarii:
1- /30 ip segment between branches on the fiber, same area as MPLS
2- /30 ip segment between branches on the fiber, but different area from MPLS
3- /30 ip segment between branches on the fiber, but EIGRP, lower cost so we will use Gb segment instead of MPLS
You will find the topology below
Thanks for your help
Best Regards,
Gerald,
05-22-2012 08:44 AM
Hello,
Just a little to have your point of view
Thanks a lot,
Regards,
Gérald
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