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Route or Bridge?? Can this be done?

nickgreen
Level 1
Level 1

Hello,

I am trying to configure a C1800 router so that we can replicate our live system in a development environment. Live system has satellite links between sites interfacing to site routers using FE interfaces. Our DEV SAT SIM has only Serial interfaces so I need to convert from FE to Serial and back, and only want to use a single 1800 router to achieve this.

I want traffic to/from the Home site to remote site to ingress on one FE interface of the WAN Router, be passed over the serial links (via the WAN Simulator) and passed out of the other FE interface to the remote site router.

Please see the attached diagram for an overview of what I'm trying to achieve, the blue arrow represents the desired traffic flow.

Is this possible?

It would be preferable to bridge this as the Satellite environment is a layer 2 network. However, if not possible, then routing could be used as long as the traffic route is as previously described.

All comments/assistance welcome.

1 Accepted Solution

Accepted Solutions

Giuseppe Larosa
Hall of Fame
Hall of Fame

Hello Nick,

you need to configure the router for bridging ethernet frames over serial interfaces using two bridge group

bridge 1 protocol ieee

bridge 1 bridge ip

bridge 2 protocol ieee

bridge 2 bridge ip

int f0/0

no ip addr

bridge-group 1

int ser0/0

no ip addr

bridge-group 1

int ser0/1

no ip addr

bridge-group 2

int f0/1

no ip addr

bridge-group 2

all this if the sat emulator does not care of the encapsulation

Hope to help

Giuseppe

View solution in original post

2 Replies 2

Giuseppe Larosa
Hall of Fame
Hall of Fame

Hello Nick,

you need to configure the router for bridging ethernet frames over serial interfaces using two bridge group

bridge 1 protocol ieee

bridge 1 bridge ip

bridge 2 protocol ieee

bridge 2 bridge ip

int f0/0

no ip addr

bridge-group 1

int ser0/0

no ip addr

bridge-group 1

int ser0/1

no ip addr

bridge-group 2

int f0/1

no ip addr

bridge-group 2

all this if the sat emulator does not care of the encapsulation

Hope to help

Giuseppe

Thanks Guiseppe,

That sorted it, I think the time of year was effecting my brain!

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