[c-nsp] IPSEC/GRE dynamic peers.

[Brett Looney]

> Are there anyway to create IPSEC tunnels with peers that use
> Dynamic IPs?.

Absolutely.

An example of pure IPSEC with dynamic endpoints can be found here:
http://www.cisco.com/en/US/tech/tk583/tk372/technologies_configuration_examp
le09186a0080093f86.shtml
I've used this successfully between 851 and 28xx routers.

You may also be able to use DMVPN (as long as the 851 supports it - haven't
tried or checked):
http://www.cisco.com/en/US/tech/tk583/tk372/technologies_configuration_examp
le09186a008014bcd7.shtml

HTH!

B.