[strongSwan] strongswan routing

Alexandre Chapellon a.chapellon at horoa.net
Mon Jun 13 14:04:28 CEST 2011


I have a VPN gateway i'd like to use for several cutomers. Some of them 
may share the same IP subnets.
In order to avoid conflicting routing, and to ensure isolation, I'd like 
to "bind" each customer to its own routing tables using iproute2. I have 
seen an option in strongswan that seems really interresting to achieve 
this, but apparently it doen't work as I expect: the mark[_in|_out] option.

I supposed that using this option would apply an fwmark to packet that 
belong to the connection it comes from/to, and so I expected such 
packets to be match-able by iptables and iproute... Unfortunately it 
doesn't... well at least it doesn't with my config.

Did I missunderstood this options?

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