04-16-2010 02:14 AM
Hi to all,
I have two questions about SRX, the first is that i only can get access to interface fxp0.0 (ge-0/0/0 in my srx240) if i'm in the same subnet of the configured ip, even if a have configured a backup-router statetement or even if i am accessing to the primary device, is this situation correct?
The other question is if a i have 2 public IP's (assigned to me from my ISP) can i configure this IP's in two differents interfaces of the firewall, even if they're in the same subnet? i think that to do this is not possible with SCREENOS.
Thanks and regards.
04-16-2010 07:01 AM
To answer Your questions:
--You have to configure specific static routes with next-hop on fxp0.0-attached subnet to be able to route traffic out of master RE's fxp0.0 beyond 1st hop. "backup-router" knob only works when RPD is not up on master RE, or on backup RE.
--usually JUNOS issues a warning when You assign two IP@ from same subnet to two different logical interfaces inside the same routing-instance but commits the config nevertheless. Beware though that outgoing interface choice between two interfaces with IP@ from the same subnet, and residing inside the same routing-instance (be it inet.0 or otherwise) is not deterministic: if you configure a static route with next-hop residing on said subnet, the outgoing interface choice may change between interface flaps or reboots or RPD restarts.
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