Inter VLAN routing with Juniper

JayrodEF

I've got an EX3200 switch which will connect to a J4580 router. That router will then connect to our outside world. Problem is, I can't seem to get the vlans to communicate to eachother on the juniper router. Does anyone have a working config for a router-on-a-stick type config for junipers?

Aldur

At first I was thinking of setting up a vlan-ccc connection but this probably won't work since this will only pass traffic which is on the same subnet which are on different vlans. Inter-vlan routing is something that doesn't occur on the M&T series routers, were my experience lies, and so I'll do some searching on this to see what I can find.

Aldur

ok, the easy answer is usually the correct one.

All that is needed to be done to have inter-vlan routing on a j-series router is to setup both those vlan's on an interface on the router.

[edit interfaces fe-0/0/0]
lab@test# show
vlan-tagging;
unit 100 {
vlan-id 100;
family inet {
address 10.10.10.2/24;
}
}
unit 200 {
vlan-id 200;
family inet {
address 10.10.11.2/24;
}
}

The above config will allow traffic from the 10.10.10/24 network, which uses vlan 100, to talk with the 10.10.11/24 network, which uses vlan 200.

I was over analyzing the situation when I was thinking about using a CCC connection to accomplish the goal.

JayrodEF

Yeah thanks, all those other options such as the CCC had me confused there for a bit. I've got it up and running, thanks!

Aldur

Glad I can help, let me know if you need anything else.