Nortel Networks BSR222 - Manual (Page 40)

40 Chapter 5 User Notes
NN47922-301
Inter-Operability With Third-Party Routers
VPN Connections With Cisco Routers
When establishing a VPN Client tunnel or Branch Office Tunnel between the
Business Secure Router and a Cisco router, the following configuration rules
should be followed:
1 Ensure that the WAN IP of the BSR222/252 router and the Cisco router are
not in the same subnet.
2 Configure the connection to use DES Encryption and MD5 Authentication.