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smurphy
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Configure mirror port on RB153 ?

Mon Jul 14, 2008 11:06 am

Hi Folks ...

I know - I have read the topic about it - but it's from 2006.
Anyway - is there a possibility for configuring one interface to port-mirror another one ?

I just want to mirror the outbound ADSL interface - hance the issues with RX/TX oversubscribing the TX of the mirror-port does not apply.

I just need to do some testing - and best would be to attach a sniffer to one of the available interfaces I still have.

Anyone a Hint ? I don't want to plug a Hub in between if I can ... THis one only has 10MBps/Half duplex ;)

IMHO - this shouldn't be an issue for the hardware.

Thx for any hints
 
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tgrand
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Re: Configure mirror port on RB153 ?

Mon Jul 14, 2008 7:28 pm

bridge your interfaces and put the ip on the bridge instead of the interface.
 
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smurphy
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Re: Configure mirror port on RB153 ?

Tue Jul 15, 2008 11:03 am

Thx for the hint - but that was the case a long time already:
 1   ;;; Service Network - 2 Ethernet Ports connected
     192.168.x.x/xx     192.168.x.0     192.168.x.xx     Bridge-Service
and
 2  R  ;;; ether3 - Bridge-Service
       Server                                            ether            1500
 3  R  ;;; ether4 - Bridge-Service
       Game                                              ether            1500
[... Snip ...]
6  R  Bridge-Service                                    bridge           1500
However it seems to separate traffic anyway. As if plugging a sniffer into the game interface - I don't see what goes to the server interface.
Maybe something I have to configure at the Bridge level ?


Anymore hints ?
Thx

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