Cisco Systems 3825 manual Asymmetric PWE3 Configuration, PE1, Hostname MWR1, Standalone

Appendix B Configuration Examples

Overview

•A shorthaul interface is used to transfer GSM and UMTS traffic from the Base Transceiver Station (BTS)/Node-B to the Cisco 3825 router and from the Cisco 3825 router to the Base Station Controller/Radio Network Controller (BSC/RNC). The traditional shorthaul connections on the RAN-O devices are connected through the Cisco 2-port T1/E1-RAN interface cards.

•Topology naming conventions such as, 3x2 and 4x3 are used to describe the type of deployment. The first number signifies the number of GSM/UMTS shorthaul interface connections while the second number signifies the number of multilink backhaul interface connections. In the case of a combined GSM/UMTS network, the conventional 3:2x2 can be used where :2 signifies the number of UMTS shorthaul interface connections.

Asymmetric PWE3 Configuration

The following is an example of an Asymmetric PWE3 configuration (see Figure B-1):

Figure B-1 Asymmetric PWE3 Configuration

	ATM	GE 0/0/0 (Uplink)	ATM
	TDM	GE 0/0/1 (Downlink)	TDM
BTS/Node B	MWR_1		MWR_2

PE_1

version 12.4

service timestamps debug datetime msec localtime service timestamps log datetime msec localtime no service password-encryption

!

hostname MWR1

!

boot-start-marker boot-end-marker

!

card type e1 0 0 card type e1 0 1 card type e1 0 2 card type e1 1 0 card type e1 1 1 logging buffered 2147483

!

no aaa new-model memory-size iomem 25

!

redundancy mode y-cable

standalone

!

network-clock-participate slot 1 network-clock-participate wic 0 network-clock-participate wic 1 network-clock-participate wic 2 network-clock-participate aim 1 network-clock-select 1 E1 1/1/1

270636

BSC/RNC

Cisco 3825 Mobile Wireless Edge Router Software Configuration Guide

B-2 OL-15667-03