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Cisco MWR 2941 Mobile Wireless Edge Router Release 3.5 Command Reference, Cisco IOS Release 15.1(3)MR
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Chapter Cisco MWR 2941 Router Command Reference, Release 15.1(3)MR
payload-size
payload-size
Specifies the size of the payload for packets on a structured CEM channel.
payload-size [payload-size]
Syntax Description
Defaults For SAToP, the default packetization delay is 1ms, and so the default payload size for a T1 is 192 bytes;
and for an E1 is 256 bytes.
On the other hand, the default payload size for a structured CEM channel (CESoPSN) depends on the
number of timeslots that constitute the channel.
In this case, the default packetization delay is 4 ms, so for example:
If 5 time slots are configured in the cem-group, then the accepted max payload value is 160 bytes.
If 10 time slots are configured in the cem-group, then the accepted max payload value is 320 bytes.
Command Modes CEM circuit configuration
Command History
Usage Guidelines For configuration of Out-of-Band Slave mode, the Cisco MWR 2941 only supports a payload size of 486
(625 packets per second) or 243 (1250 packets per second).
Examples The following example shows how to specify a sample rate:
Router# config t
Router(config)# interface cem 0/0
Router(config-if)# no ip address
Router(config-if)# cem 0
Router(config-if-cem)# payload-size 256
Router(config-if-cem)# xconnect 10.10.10.10 200 encapsulation mpls
payload-size Specifies the size of the payload for packets on a structured CEM channel.
Valid values are 16–512.
Note The payload size must be a multiple of the number of timeslots for
the CEM channel.
The default payload size is calculated as follows:
8 x number of timeslots x 1 ms packetization delay
Release Modification
12.3(7)T This command was introduced.
12.4(19)MR2 This command was integrated into Cisco IOS Release 12.4(19)MR2.
12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33)MRA.
15.0(1)MR This command was integrated into Cisco IOS Release 15.0(1)MR.
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