Subject: Re: loopback routes
To: Darren Reed <>
From: Andrew Brown <>
List: tech-net
Date: 05/06/2000 00:39:16
>> >>>	I still do not understand your goal... anyway,
>> >>sorry, i didn't really go into that yet.  i wanted to create a "null"
>> >>network interface, similar to that which one might find on a cisco.
>> >>useful for blackhole routing, ipfiltering (yes, really!), etc.
>> >
>> >	for example, is this insufficient for your goal?
>> >	# route add -inet -reject
>> okay, that'll blackhole the packets, but i wanna sniff 'em.
>If you really want to do this, a null connector*/teriminator for a UTP port,
>get yourself a cheap networking card and send packets out that interface
>using ipfilter and hardwired IP#/MAC.  ARP information in place, they'll
>get sent out the interface to nothing.

will that ensure that the hardware addresses are intact as received?

>* - I've one of these...basically get one RJ45, and wire tx-rx, etc.

should be quite easy to make.  i've got for rj11 i made last year.

|-----< "CODE WARRIOR" >-----|             * "ah!  i see you have the internet (Andrew Brown)                that goes *ping*!"       * "information is power -- share the wealth."