topic Re: static routes in General Topics

static routes

FlexyZ — Fri, 30 Mar 2012 23:01:41 GMT

I have 4 interfaces;

eth1/1 = sub1 -> 10.10.1.1/24

eth1/2 = sub2 -> 10.10.2/1/24

eth1/3 = mpls -> 10.10.3/1/24

eth1/8 = wan -> x.y.z.w

default router on all interfaces

but now I need to route all 0.0.0.0/0 traffic from sub1 over the MPLS (10.10.3.10) and 0.0.0.0/0 on sub2 over the wan (x.y.z.w)

sub2 still needs access to sub1 and sub2 to sub1

Does it makes sense and how can I do this?

Thanks

Re: static routes

mikand — Fri, 30 Mar 2012 23:14:16 GMT

I think you basically have 2 options:

1) Setup one VROUTER (not VSYS) for sub1 and another VROUTER for sub2.

VROUTER_sub1:
default route 0.0.0.0/0 nexthop 10.10.3.<whatever_ip_nexthop_is_on_mpls>

VROUTER_sub2:
default route 0.0.0.0/0 nexthop x.y.z.w

and then tell PA to route between the VROUTERS (I think I have seen a doc regarding this, not sure if VSYS is needed for this or not).

2) Or use PBF (Policy Based Forwarding) where you setup something like:

VROUTER_default:
default route 0.0.0.0/0 nexthop x.y.z.w

PBF_sub1
srczone: sub1
source address: 10.10.1.0/24 (or set to any)
source user: any
destination address: 10.10.3.<whatever_ip_nexthop_is_on_mpls>
action: forward (mpls_interface)

This way you have wan as default route except for stuff arriving at sub1 who will be forced into using the mpls interface as egress.

Re: static routes

FlexyZ — Fri, 30 Mar 2012 23:21:32 GMT

Thanks - let me try that, where do I find PBF?

Re: static routes

FlexyZ — Fri, 30 Mar 2012 23:24:32 GMT

sorry found it

Re: static routes

mikand — Fri, 30 Mar 2012 23:24:58 GMT

The document I was refering to in 1) above was obviously the admin guide itself 🙂

This is what you would need to do:

VROUTER_sub1:
default route 0.0.0.0/0 nexthop 10.10.3.<whatever_ip_nexthop_is_on_mpls>

10.10.2.0/24 nexthop NEXTVR:VROUTER_sub2

VROUTER_sub2:
default route 0.0.0.0/0 nexthop x.y.z.w

10.10.1.0/24 nexthop NEXTVR:VROUTER_sub1

Check page 109-110 in the PA-4.1_Administrators_Guide.pdf for more information.

Regarding PBF you will find the info in the same admin guide as above but on page 141-143.

The PBF is found in Policies -> Policy Based Forwarding in the GUI.

Re: static routes

FlexyZ — Sat, 31 Mar 2012 00:00:19 GMT

Thanks I am trying the PBF, and it works for the 0.0.0.0/0 over the MPLS, but I can't get routing to sub2 (10.10.2.0) as it routed over the mpls - I will try another PBF above the 0.0.0.0

Re: static routes

FlexyZ — Sat, 31 Mar 2012 23:27:57 GMT

Thanks all, got it working with one PBF with destination as !LAN