Configuration files, Networking requirements, Configuration roadmap – Nortel Networks 8000 User Manual

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Nortel Secure Router 8000 Series

Configuration -WAN Access

8 Frame relay configuration

—End

Configuration files

Configuration file of Router A (the static address mapping)

#

sysname RouterA

#

interface Serial1/0/0

link-protocol fr

fr interface-type dce

fr map ip 202.38.163.252 100

fr dlci 100

ip address 202.38.163.251 255.255.255.0

#

return

The dynamic address mapping is similar to this, but there is no fr map ip 202.38.163.252 100.

• Configuration file of Router B (the static address mapping)

#

sysname RouterB

#

interface Serial1/0/0

link-protocol fr

fr map ip 202.38.163.251 100

ip address 202.38.163.252 255.255.255.0

#

return

The dynamic address mapping is similar to this, but there is no fr map ip 202.38.163.251 100.

8.14.3 Example for configuring frame relay switching routes

Networking requirements

You can implement the FR switching route function in a network with two or more routers. As
shown in Figure 8-7, Router B and Router C can be considered as routers for FR switching,

enabling the serial 1/0/0 on Router A and Serial 2/0/0 on Router D to interconnect with each
other through the FR switching of Router B and Router C.

Figure 8-7

Networking diagram of FR switching routes

DTE

RouterA

FR switch

RouterB

FR switch

RouterC

DTE

RouterD

DLCI=100

Serial1/0/0

196.1.1.1/24

DLCI=300

Serial1/0/0

Serial2/0/0 Serial1/0/0

DLCI=200

Serial2/0/0 Serial2/0/0

196.1.1.2/24

Configuration roadmap

The configuration roadmap is as follows:

Issue 5.3 (30 March 2009)

Nortel Networks Inc.

8-51

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