Can’t connect to VPN clients from OS X Server but can from NAT’d clients

[mrbauer1]

I’m running OS X Server 10.4.6 as a main router. It runs my firewall, internal dns, l2tp vpn, and nat. I currently have a setup where I have a few machines in the office and a few outside the office. I would like to do backups on these remote machines using BRU just like I do in the office. I’ve successfully setup the VPN such that the clients can connect to the OS X VPN server, access it’s shares and the rest of the network. Additionally my nat’d machines in the office can access the remote machines just file (i.e. afp). The only machine that can’t access the remote VPN machines is the OS X Server that is running everything. This is a problem since BRU also runs on that server and needs to connect to the remove VPN machines. I believe the problem has to do with the routing. I don’t believe it’s the firewalls on either side because I’ve tried this with the firewalls off on both side and additionally I can access the desire ports on the remote VPN machines from any of my nat’d hosts. I’m including my netstat -rn output to help. My Nat’d network is 192.168.4.X and the VPN address range is 192.168.4.226-250. Any help would be appreciated.

Thanks,
Matt

Internet:
Destination Gateway Flags Refs Use Netif Expire
default 70.90.76.166 UGSc 645 1291 en0
70.90.76.160 link#4 UHLWb 43 43 en0
70.90.76.160/29 link#4 UCS 4 0 en0
70.90.76.161 127.0.0.1 UHS 1 3188863 lo0
70.90.76.164 0:14:51:6f:81:5c UHLW 3 90305 en0 1024
70.90.76.166 0:4:e2:ee:3f:80 UHLW 6 0 en0 964
70.90.76.167 link#4 UHLWb 1 9934 en0
127 127.0.0.1 UCS 0 0 lo0
127.0.0.1 127.0.0.1 UH 24 1520570 lo0
169.254 link#4 UCS 0 0 en0
192.168.4 link#5 UCS 16 0 en1
192.168.4.1 127.0.0.1 UHS 1 5593 lo0
192.168.4.100 0:a:95:aa:4e:a8 UHLW 18730 11949502 en1 100
192.168.4.106 0:14:51:ed:9f:c2 UHLW 610097 1648490 en1 1179
192.168.4.107 0:c:f1:ee:aa:b4 UHLW 97165 98611 en1 113
192.168.4.200 link#5 UHLW 2018 3680 en1
192.168.4.202 0:40:d0:e:32:39 UHLW 117 198 en1
192.168.4.204 link#5 UHLW 1493 1790 en1
192.168.4.228 70.90.76.161 UH 13 13 ppp0
192.168.4.228 0:3:93:f4:a4:e8 UHLS2 0 0 en1
192.168.4.255 ff:ff:ff:ff:ff:ff UHLWb 0 8 en1

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