Chapter 1 Overview of the Cisco 3825 Mobile Wireless Edge Router

New Features in Cisco IOS Release 12.4(16)MR1

Use the time slots keyword and the timeslot-rangeargument to specify the time slots to be included in the CEM channel. The list of time slots may include commas and hyphens with no spaces between the numbers, commas, and hyphens.

The following example illustrates the use of the cem-groupcommand:

SATOP

controller el 0/0/0 cem-group 0 unframed

int cem 0/0/0 cem 0

xconnect 10.10.10.10 200 encap mpls

CESoPSN

controller e1 0/0/1 cem-group 0 timeslots 1-31

int cem 0/0/1 cem 0

xconnect 10.10.10.10 200 encap mpls

A new command sample-ratehas been added to this feature to specify in milliseconds the rate that hardware samples data on the attached circuit.

The default is 1 ms. The sample-ratecommand translates into the payload-sizethat is sent over the circuit.

32-time slots at 1 ms = 256-bytes (32-time slots * 8-bytes/timeslot/ms)

24-time slots at 2 ms = 384-bytes (24-time slots * 16-bytes/timeslot/ms)

10-time slots at 1 ms = 80-bytes (10-time slots * 8-bytes/timeslot/ms) The following example illustrates the use of the sample-ratecommand:

interface CEM0/0/0 no ip address

cem 0 sample-rate 2

xconnect 10.10.10.10 200 encapsulation mpls

A new command dejitter-bufferhas been added to this feature to specify the size of the dejitter-bufferused to compensate for the network jitter.

Use the size argument to specify the size of the buffer in milliseconds.

Size can vary from 4 - 500 ms; default is 4 ms.

The following example illustrates the use of the dejitter-buffercommand:

interface CEM0/0/0 no ip address

cem 0 dejitter-buffer 10

xconnect 10.10.10.10 200 encapsulation mpls

A new command idle-patternhas been added to this feature to specify the data pattern transmitted on the T1/E1 when missing packets are detected on the PWE3 circuit.

The default idle-patterncommand is 0xFF.

 

 

Cisco 3825 Mobile Wireless Edge Router Software Configuration Guide

 

 

 

 

 

 

OL-15667-03

 

 

1-15

 

 

 

 

 

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Cisco Systems 3825 manual CESoPSN, Int cem 0/0/0 cem Xconnect 10.10.10.10 200 encap mpls