Cisco 1812/K9-RF - Rf 1812 Ethernet Router Manual de usuario descargar pdf (Pagina 12)

Data Sheet

SRST ensures that the telephony service is uninterrupted during WAN outages. (Refer to Figure

6.)

Figure 6. Wired and WLAN IP Telephony Support with CCME or SRST

Transparent Mobility for IP Networks Crossing and Media Type Roaming

In addition to supporting the sitewide Layer 2 mobility described previously, the integrated services

routers extend their mobility portfolio by adding standard-based Mobile IP Home Agent support.

The standards-based Mobile IP Home Agent helps mobile users transparently roam between

Layer 3 boundaries as well as between different access networks. With these capabilities, a

mobile user can roam freely within a campus where different IP subnets are used across the

campus networks or move from or to the outside of the campus where a different access

technology is used without dropping its application connections. In addition to providing this

transparent mobility for an individual mobile user, the Mobile IP Home Agent in the integrated

services routers also supports the same transparent mobility for an entire network—known as

mobile networks. The mobile networks allow multiple devices that may move together as a unit,

such as a police cruiser, to enjoy transparent mobility without understanding the Mobile IP

protocol. IP Security (IPSec) can be integrated with Mobile IP to provide transparent, secure

mobility. For more information about Mobile IP, go to

http://www.cisco.com/warp/public/732/Tech/mobile/ip/ (see Figure 7).

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Cisco 1812/K9-RF - Rf 1812 Ethernet Router Manual de usuario Pagina 12