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Cisco 3825 Mobile Wireless Edge Router Software Configuration Guide
OL-15667-03
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-range
argument 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-group
command:
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-rate
has 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-rate
command translates into the
payload-size
that 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-rate
command:
interface CEM0/0/0
no ip address
cem 0
sample-rate 2
xconnect 10.10.10.10 200 encapsulation mpls
A new command
dejitter-buffer
has been added to this feature to specify the size of the
dejitter-buffer
used 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-buffer
command:
interface CEM0/0/0
no ip address
cem 0
dejitter-buffer 10
xconnect 10.10.10.10 200 encapsulation mpls
A new command
idle-pattern
has 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-pattern
command is 0xFF.