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 From:  "J. James" <icewalker at hotpop dot com>
 To:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Banging my head to a (m0n0)wall i.e. "multiple IPs on WAN..."
 Date:  Sat, 08 May 2004 00:42:11 +0300

This question has been asked and answered many times in these archives, 
but bear with me...

I have a static WAN IP  xx.xx.xx.194/29. So far so good. Now I want to add 
another IP xx.xx.xx.195, so I added NAT -> Server NAT -> External IP 
xx.xx.xx.195. Then I try to Diagnostics/Ping and xx.xx.xx.194 pings but 
xx.xx.xx.195 doesn't.

OK - the next step: Manuel states 
"No, you don't have to bind those addresses to your WAN interface. Just 
use 1:1 NAT, it somehow just works. Call it magic. ;) No, seriously - 
m0n0wall automatically binds 1:1 NATed WAN IPs to its WAN interface."

So... The next step is to delete Server NAT and to try NAT -> 1:1 -> 
External Subnet -> xx.xx.xx.195/32 and internal subnet yy.yy.yy.11. The 
situation is the same: xx.xx.xx.194 pings - xx.xx.xx.195 doesn't.

Plus I have tried every imaginable combination of these settings. I have 
also rebooted the machine tens of time just to be sure that the new 
settings are in use. I have also tried to allow ICMP in the rules just to 
be on the safe side. No help. I have switched NICs (fxp0<->xl0). I have 
also added Inbound NAT & firewall Rules and tried to access my web server 
via xx.xx.xx.195 just to check if xx.xx.xx.195 doesn't ping but would 
function otherwise. I have resetted to the defaults and tried to first add 
1:1 NAt and then define the static IP for the WAN... I have spent three 
days now reading old messages in this mail archive and I know that this 
should be possible but I don't have the foggiest what I have done wrong.

Thank you for your patience. Would anyone please tell step-by-step how you 
managed to add two or more IPs to the WAN?

And despite all that: thank you Manuel for the job well done. If m0nowall 
wasn't such a well done piece of software I would have given up long ago.