If you're dependent on the single serial link between the two routers, there is no need to tunnel to a loopback. Just use the serial interface.Also, newer ios code allows you to apply the ipsec right on the tunnel interface. It's really slick. Set...
For a REALLY long run you can use an SDSL ethernet extender. These get around 2.3 Mbps and run up to 24,000 feet! I've used them several times and they're pretty slick. They run over a single cable pair.http://www.paradyne.com/products/SNE2020/
The 3845 has 4 WIC slot available on the main board. You can use two T1 DSU/CSU card (2 WIC slots) or buy a dual controller card (1 WIC slot). If you go with the controller card, don't worry about the DI (drop & insert). These cards have an RJ45 c...
aaa authentication login login-auth-none noneline aux 0 no vacant-message login authentication login-auth-none modem DTR-active special-character-bits 8 no exec transport input telnet escape-character NONE stopbits 1Then do a "sho line" to find the l...
