Wake on LAN through FWSM in routed mode

Answered Question
May 2nd, 2012

Is it possible to configure WOL through FWSM in routed mode?

We are running version 4.0.

I have this problem too.
0 votes
Correct Answer by varrao about 2 years 11 months ago

Hi Dominic,

In the directly connected subnet, the FWSM would not be able to pass the broadcast traffic, but if its just a pass-thru then the directed broadcast is just like a unicast traffic and that can be allowed. You have two options:

Either use transparent firewall

or

Do not put the FWSM in the directly connected subnet as the users, you can put the users in a different subnet and keep the FWSM one L3 hop away.

Hoep that helps,

Thanks,

Varun

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Overall Rating: 5 (2 ratings)
varrao Wed, 05/02/2012 - 11:11

Hi Dominic,

is the FWSM just a pass-thru device or is it the edge device for the directed bbroadcast and supposed to perform the replication?

Thanks,

Varun

pidomudes Wed, 05/02/2012 - 11:38

Hi Varun

It could be considered as both, pass-thru and edge device. The WOL server is on a VLAN directly connect to a FWSM interface. We have some targer machine on VLAN directly connect to a FWSM interface and other target are reachable througt a point to point to our distribution router.

Thanks for your help

Dominic

Correct Answer
varrao Wed, 05/02/2012 - 12:01

Hi Dominic,

In the directly connected subnet, the FWSM would not be able to pass the broadcast traffic, but if its just a pass-thru then the directed broadcast is just like a unicast traffic and that can be allowed. You have two options:

Either use transparent firewall

or

Do not put the FWSM in the directly connected subnet as the users, you can put the users in a different subnet and keep the FWSM one L3 hop away.

Hoep that helps,

Thanks,

Varun

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Posted May 2, 2012 at 10:55 AM
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Tags: fwsm, wol, wake_on_lan
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