Cisco Cisco IOS Software Release 12.4(2)XB6 Notas de publicación

The Third Generation (3G) Wireless High-Speed WAN interface card (HWIC) is a multiband, 
multiservice WAN card. The primary application of 3GHWIC is WAN connectivity as a backup datalink 
for critical data applications. The 3G wireless WAN HWIC can also function as the primary WAN 
connection. The 3G HWIC supports the following Cisco integrated services routers (Cisco ISRs):

Cisco 3824

Cisco 3845

The 3G wireless WAN HWIC provides broadband WAN connectivity using high speed cellular data 
technology and it supports the following GSM and CDMA technologies:

High-speed Downlink Packet Access (HSDPA)

Universal Mobile Telecommunications System (UMTS)

Enhanced Data-Rates for GSM Evolution (EDGE)

General Packet Radio Service (GPRS)

Evolution-Data Optimized (EVDO)

1 times Radio Transmission Technology (1xRTT)

Automatic best network selection

Multiple external antenna options

Static and dynamic IP addressing

Modem-based support for mobile IP

Cellular interface based on the async interface in Cisco IOS

NAT support

Security features like Firewall, IDS/IPS and IPsec VPN on the router

WAN switchover using IOS backup interface feature

There are no new software features in this release.

For information regarding the features supported in Cisco IOS Release 12.4T, see the Cross-Platform 
Release Notes and New Feature Documentation links at the following location on

There are no known limitations or restrictions.