I been using the attached vpdn config on Cisco 837s for ages and it's always worked. However after upgrading a 837 to IOS 12.3(14) I can make a VPN connection to the router but I can only ping the router and not anything else on the remote network. If I switch back to an older IOS e.g. 12.3(7) it works, but when I switch to 12.3(14) it stops again. This is with exactly the same config file.
Any ideas? This one has me baffled.
Config is (local network is 192.168.1.0/24):
vpdn enable ! vpdn-group pptp ! Default PPTP VPDN group accept-dialin protocol pptp virtual-template 1 exit exit ! interface Virtual-Template1 ip unnumbered Ethernet0 peer default ip address pool default ppp encrypt mppe auto ppp authentication ms-chap ! ip local pool default 192.168.1.224 192.168.1.239