pf+carp with one wan address

devil_devil

devil_devil

Hi guys, I would like to ask someone made a carp is a real address. For all circuits are 2 address and enjoys virtual 3, and I have only one, but I want to make backup router.
Example
Code: 
---- WAN/Internet ------------ 
  |                   |            
  | em2               | em2   
+-----+             +-----+
  fw1 -em1------em1-  fw2    
+-----+             +-----+
   |em0            em0 |
   |                   |           
---+-------Shared LAN-------+---


fw1 em0: 172.16.0.1--------the same address
fw1 em1: 10.10.10.1
fw1 em2: 192.0.2.1

fw2 em0: 172.16.0.1 -----the same address
fw2 em1: 10.10.10.2
fw2 em2: 192.0.2.2

* LAN shared IP: 172.16.0.100

Thanks in advance :p
 
devil_devil said:
Hi guys, I would like to ask someone made a carp is a real address. For all circuits are 2 address and enjoys virtual 3, and I have only one, but I want to make backup router.
Example
Code: 
---- WAN/Internet ------------ 
  |                   |            
  | em2               | em2   
+-----+             +-----+
  fw1 -em1------em1-  fw2    
+-----+             +-----+
   |em0            em0 |
   |                   |           
---+-------Shared LAN-------+---


fw1 em0: 172.16.0.1--------the same address
fw1 em1: 10.10.10.1
fw1 em2: 192.0.2.1

fw2 em0: 172.16.0.1 -----the same address
fw2 em1: 10.10.10.2
fw2 em2: 192.0.2.2

* LAN shared IP: 172.16.0.100

Thanks in advance :p
Click to expand...

I'd probably be able to help you. However, I have absolutely no idea what you're talking about. Can you try and explain what you're asking more carefully?:)
 
I don`t think in FreeBSD we have carp over device (like OpenBSD),
PF version is old for us. I have similar situation.
I found some info and some kind of patch but not works for me.
I think you should try OpenBSD and read their carp based on interface. Google help you to find examples.
 
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