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Configuring the Cisco 700 Series Router for IP Routing 201

The LAN section of the Cisco 700 series router configuration contains the information
associated with the Ethernet interface of the router. The IP and/or IPX address and the mask are
set in this section. The routing protocol is also turned on in this section. This is similar to the
IOS syntax in which routing is turned on as a global parameter, but then the network statement
is used to enable routing on the interfaces. Again, because there is only one LAN interface, this
approach makes sense.

The user section of the Cisco 700 series router configuration contains the information
associated with the connection or call. The address and mask, the phone number, the routing
protocol, and the static route are put into this section. This section is defined as a profile on the
router.

Figure 7-2 and Example 7-1 demonstrate a simple configuration for a 700 series router
connecting over an ISDN network to a remote access server. Figure 7-2 shows schematically
what is being done and Example 7-1 shows the configuration syntax. Note that the System,
LAN, and User headers shown in Example 7-1 do not exist as part of the configuration, but are
shown to show the parts of the configuration more clearly.

Figure 7-2

Rem700 Router Connecting to the RAS Router Called CorpOff

700 series

router

Central

router

ISDN Network

Corporate
office

Central site
phone number
5551212

BRI0 IP address
10.33.33.1

Rem700

LAN

BRI0

LAN IP address
10.22.22.1

Central site
BRI/PRI address
10.33.33.2/24