I'm looking to study the Cisco method of VPN implementation. I've worked a
little with the IOS firewall feature pack, but have a few questions about how
all of these features on a Cisco edge router work together. First of all,
does anyone know which feature set is required to nail up a tunnel? I'm
assuming that its the IP plus IPsec 56 feature pack, and that I would have
both firewalling and tunneling ability with the IP/FW plus IPSec 56 feature
set. Can anyone in the know verify this for me before I hose up the home
lab?? Also, one final question. Let's say I've got an edge router at 2
remote offices connecting each private network to the Internet. How do NAt
and tunneling work together? If dynamic NAT is enabled with the outside
address of the router, wouldn't all traffic existing the outside interface be
NAted? Surely not, but I'm in need of documentation. How is traffic bound
for the other office directed down the tunnel? Does anyone know of a good
tutorial about how this all works toghether?
Thanks in advance for any info, Bob McIntire, CCNA
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