Hello Jack,

Thursday, March 22, 2007, 6:49:14 PM, you wrote:

JB> ... having some trouble getting a LAN-to-LAN VPN working ...

JB>                10.0.0.2/24 --- 10.0.0.1/24
JB>     L1             F1               F2             L2
JB> 10.4.14.1 --- 10.4.12.1/22     10.2.12.1/22 --- 10.2.14.1

JB> L1,L2 - laptops
JB> F1,F2 - Soekris net4801 firewalls

JB> What works:

JB> L1-F1 lan communication
JB> L2-F2 lan communication
JB> F1-F2 lan communication
JB> F1-F2 IPSec communication (evidenced by F1 running "ping 10.0.0.1" and
JB> seeing only esp packets in tcpdump)

JB> What doesn't work:

JB> F1-L2 gateway'd VPN
JB> F2-L1 gateway'd VPN
JB> L1-L2 gateway-to-gateway'd VPN

  Sorry   if   I  miss  something,  but  I  don't  see  you  trying to test
Network-to-Network VPN you are talking about. Does it work from an internal
computer in one network to an internal computer in another?
  Gateway-to-Gateway doesn't (and shouldn't, I think) work "out of the box"
with the Network-to-Network VPN. Adding manual routs helped me to solve it.
Something  like "route add 10.2.12.0/22 10.4.14.1" on the F1 and "route add
10.4.12.0/22  10.2.14.1"  on the F2. Your numbers a bit confusing, but it's
a "route add <network_on_the_other_side> <gateways_internal_interface>".

-- 
Best regards,
 Boris                            mailto:[EMAIL PROTECTED]

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