Cisco 3825 - Manual (Page 336)

B-68
Cisco 3825 Mobile Wireless Edge Router Software Configuration Guide
OL-15667-03
Appendix B Configuration Examples
Overview
GSM and UMTS with IMA Configuration
The combined GSM and UMTS with Inverse Multiplexing over ATM (IMA) configuration allows both
the GSM and UMTS technologies to become aggregated over the traditional multilink backhaul
connection (see
Figure B-11 ).
Figure B-11 GSM and UMTS with IMA Configuration
MWR_A
!
card type E1 0 0
card type E1 0 1
card type E1 0 2
card type E1 1 0
!
!
redundancy
mode y-cable
standalone
!
network-clock-participate wic 0
network-clock-participate wic 1
network-clock-participate wic 2
network-clock-participate slot 1
network-clock-participate aim 1
network-clock-select 1 E1 0/0/1
network-clock-select 2 E1 0/1/1
network-clock-select 3 E1 0/2/1
!
ipran-mib snmp-access inBand
ipran-mib location cellSite
!
!
controller E1 0/0/0
framing NO-CRC4
clock source internal
channel-group 0 timeslots 1-31
!
controller E1 0/0/1
channel-group 0 timeslots 1-31
!
BTS
Node-B
MWR_A
GSM + UMTS Configuration
With IMA
S0/1/0:0 S0/1/0:0
S0/0/0:0 S0/0/0:0
ATM0/
IMA0
ATM0/
IMA0
Multilink1
10.10.10.1/30
Multilink1
10.10.10.2/30
MWR_B
BSC
RNC
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