Cisco Systems 3825 manual Inverse Multiplexing over ATM IMA, Show, Atm 0/ima0

Chapter 1 Overview of the Cisco 3825 Mobile Wireless Edge Router

New Features in Cisco IOS Release 12.4(16)MR

umts-iub set peering dscp 8 umts-iub local 20.20.20.21 6666 umts-iub remote 20.20.20.20 6666

One new CLI Show command show umts congestion atm slot/port has been added to this feature and a new field has been added to the show umts-iub peering command (see Appendix A,

“Cisco 3825 Mobile Wireless Edge Router RAN-O Command Reference”).

The following example illustrates the use of show umts congestion atm.

Router#	show	umts congestion	atm 0/ima0
UMTS-Iub(ATM0/IMA0):
Congestion: ON
Throttled		ATM cells: 415801
Last	congestion time: Mar		13 18:09:49.858	duration: 0h 0m 53s

The following example illustrates the use of show atm umts-iub peering command with the new Congestion Control status field. In this example, it shows it On.

Router# show umts-iub peering atm 0/ima0
UMTS-Iub(ATM0/IMA0): Peering Information
UMTS-Iub(ATM0/IMA0 - ATM0/IMA1):	Local (20.20.20.21:6666) States:
UMTS-Iub(ATM0/IMA0 - ATM0/IMA1):	Connect State: OPEN
UMTS-Iub(ATM0/IMA0 - ATM0/IMA1):	Redundancy State: ACTIVE
UMTS-Iub(ATM0/IMA0 - ATM0/IMA1):	Congestion Control: ON
UMTS-Iub(ATM0/IMA0 - ATM0/IMA1):	Version: 4
UMTS-Iub(ATM0/IMA0 - ATM0/IMA1):	Alarm State:
UMTS-Iub(ATM0/0 - ATM0/2):	RX(NO ALARM)	TX(NO ALARM)
UMTS-Iub(ATM0/1 - ATM0/3):	RX(NO ALARM)	TX(NO ALARM)
UMTS-Iub(ATM0/IMA0 - ATM0/IMA1):	Remote (20.20.20.20:6666) States:
UMTS-Iub(ATM0/IMA0 - ATM0/IMA1):	Version: 4
UMTS-Iub(ATM0/IMA0 - ATM0/IMA1):	Alarm State:
UMTS-Iub(ATM0/0 - ATM0/2):	RX(NO ALARM)	TX(NO ALARM)
UMTS-Iub(ATM0/1 - ATM0/3):	RX(NO ALARM)	TX(NO ALARM)

Inverse Multiplexing over ATM (IMA)

Inverse Multiplexing over ATM (IMA) interface as a shorthaul enables you to configure existing UMTS commands on IMA interfaces. No new commands are added for this new feature. Only previously existing Cisco IOS commands have been added for this feature (see the “Configuring Inverse Multiplexing over ATM (IMA)” section on page 4-37and Appendix A, “Cisco 3825 Mobile Wireless Edge Router RAN-O Command Reference”).

When operating in the IMA environment, a sample ATM configuration is written as follows:

interface ATM0/0/0 no ip address

no atm ilmi-keepalive ima-group 0 scrambling-payload

interface ATM0/0/1 no ip address

no atm ilmi-keepalive ima-group 0 scrambling-payload

	Cisco 3825 Mobile Wireless Edge Router Software Configuration Guide
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