Configuring Umts Qos - Cisco 3825 Software Configuration Manual
Mobile wireless edge router
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Configuration Sequence
Step 26
Exit the sub-interface configuration mode.
Router(config-subif)# exit
For more information about PVC Routing, see the
Note
on page
are described.
Configuring UMTS QoS
Three new commands are added using the Interface Configuration mode for this new feature: umts-iub
set dscp, umts-iub set peering dscp, and gsm-abis set dscp and one new ATM-VC Interface
Configuration command: umts-iub set dscp (see
Router RAN-O Command Reference"
you to perform the following:
•
•
•
In the following procedures, PVC 2/1 of ATM0/0/0 and ATM0/0/1 will go to the priority queue and PVC
2/2 of ATM0/0/0 and ATM0/0/1 will be considered the best effort traffic and will go to the Weighted Fair
Queue.
Defining the dscp value under the PVC affects the way the ATM cells are bundled together as a backhaul.
Note
The more dscp values that are defined, the more limitations on how the ATM cells can be bundled. This,
as a result, could affect backhaul efficiency. We recommend that you define at most two different dscp
values for each shorthaul. One for llq traffic, and the other for best effort traffic.
Cisco 3825 Mobile Wireless Edge Router Software Configuration Guide
4-46
Chapter 4
Configuring the Cisco 3825 Mobile Wireless Edge Router in a RAN-O Solution with the Command-Line
1-30. Example output from the show umts peer command as well as specific behavior changes
UMTS Shorthaul Interface
Set the default description value to tag the backhaul packet including peering and data generated
–
from the shorthaul in a UMTS Iub configuration.
Set the description value in the UMTS Iub configuration such that it overwrites the default value
–
defined previously. It is also used to tag the peering backhaul packet.
PVC of a UMTS Shorthaul Interface
Set the description value in the UMTS Iub configuration such that it overwrites the default value
–
defined previously. It is also used to tag the backhaul packet generated from traffic from the
PVC.
GSM Shorthaul Interface
–
Set the description value in such a way as to tag all the backhaul packets generated from the
shorthaul in the GSM Abis interface.
"Permanent Virtual Circuit (PVC) Routing" section
Appendix A, "Cisco 3825 Mobile Wireless Edge
for detailed command information). These new commands allow
OL-15667-03
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