5861 to Bridge
Using VPN and Firewall boxes is possible with SBC DSL and the DSL routers supplied by
SBC.(Speedstream 5861)
The setup can become tricky, but through trial and error we have come to the conclusion that the
best way to achieve connectivity with VPN and Firewall hardware is to simplify the function of the
router and turn it into a bridge.
This resolves any issues concerning IPSEC pass-through, as well as any DHCP or NAT conflicts.
There are only a few steps involved.
First, enable bridging, and map the router as a bridge.
Then, disable NAT and DHCP.
The commands are as follows:
# rem enabridge internet
# rem setbroptions stp on internet
# rem setiptranslate off internet
# dhcp disable all
# eth ip addr <public gateway> 255.255.255.0
# save
# sync
# save
# reboot
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