Do you mean BEFW11S4?
This LinkSys device is not a modem. It is a cable/DSL NAT router plus
4 port switch plus 802.11b wireless Ethernet access point.
http://www.linksys.com/products/product.asp?prid=173&grid=5
Note: IPSEC uses IP upper layer protocols 50 and 51 (not ports 50 and 51).
These correspond to the AH and ESP protocols.
For IPSEC you need to connect to the LinkSys NAT router via the internal
web interface ( http://192.168.1.1 on most ) using a PC behind the router.
You then need to go to the 'Filters' configuration tab and allow IPSEC
tunneling outbound by enabling the option labeled 'IPSEC passthru' and
then click on Apply.
See ftp://ftp.linksys.com/pdf/befw11s4ug.pdf on page 32 for more details.
[EMAIL PROTECTED] wrote:
> One of my users have a DSL at home and he has a Linksys BEFW1154 cable/DSL
> modem. We are having trouble connecting to the office via VPN using the
> Cisco VPN client. At the office we have a Cisco VPN concentrator and it is
> configured for IPSEC. We have tried opening ports 50, 51, 1701 and 10000.
> BTW, he is also doing NAT. I didn't think there is any other ports that
> need to be open. Any ideas?
>
> Thanks.
> Diana
- H. Morrow Long
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