Cisco RPM-XF Specifications Page 238

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5-28
Cisco ATM Services (AXSM) Configuration Guide and Command Reference for MGX Switches
Release 5.2, Part Number OL-6484-01 Rev. C0, September 2005
Chapter 5 AXSM Command Reference
addimaport
addimaport
Add IMA Port—AXSM-32-T1E1-E
Creates and configures a new IMA virtual interface (ifnum) for the specified IMA group.
Setting the Correct Port SCT
For common IMA applications where the IMA group has 1–4 links, use SCT 54 (policing) or SCT 55
(non-policing). The maximum VC/CoSB cell threshold setting (in microseconds) is the same for both of
these SCTs.
For IMA applications where the IMA group has 5–16 links, use the Cisco WAN Manager to create a new
SCT and change the maximum VC/CoSB cell threshold (in microseconds). See the “Service Class
Template Manager” chapter in the Cisco WAN Manager User’s Guide for information how to create a
new SCT.
For IMA groups with 5–8 links, set the maximum VC/CoSB cell threshold value (in microseconds)
to one quarter (1/4) of the maximum VC/CoSB cell threshold value defined in SCT 52 or SCT 53.
Note SCT 52 (policing) or SCT 53 (no policing) are used for non-IMA T1/E1 applications.
For IMA groups with 9–16 links, set the maximum VC/CoSB cell threshold value (in microseconds)
to one eighth (1/8) of the maximum VC/CoSB cell threshold value defined in SCT 52 or SCT 53.
For this new SCT, the other types of thresholds, such as CLP_HI/LO, can be defined as a certain
percentage of the maximum VC/CoSB cell threshold (in microseconds). Refer to SCT 52 or SCT 53 for
the default percentage of each type of threshold.
Syntax
addimaport <ifNum> <group> <guaranteedRate> <maxRate> <sctID> <ifType> [-vpi vpi] [-minvpi
minvpi] [-maxvpi maxvpi]
Syntax Description
ifNum The logical port number. Range:1–32
group The bay number (1–2) and the IMA group number (1–16) in the format
bay.group. For example: 1.16
guaranteedRate The guaranteed minimum bandwidth rate in cells per second.
Range for T1:
between 50 and N * (3622 * (M-1)/M * 2048/2049)
Range for E1:
between 50 and N * (4528 * (M-1)/M * 2048/2049)
N = the number of IMA links in the IMA group
M = the IMA group frame length
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