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ATM Universal Service Module
Cisco MGX 8850 Installation and Configuration, Release 1.1.00, Part Number 78-6186-02
6-18
Step 4 If necessary, change the queue depths by using cnfchanq.
cnfchanq <port.vpi.vci> <discard_option> <vc_q_depth> <clp_thresh_high>
<clp_thresh_low | epd_threshold> <efci_thresh>
BPX 8600-to-BPX 8600 Segment
For the middle segment, be sure to use the connection type as the local segments on the MGX 8850
node (CBR, VBR, ABR, or UBR). The parameters directly map from those specified at the
connection endpoint.
mcr is the minimum cell rate. Without IMA, the range is:
T1, 0–3622
E1, 0–4528
clear E1, 0–4830
For IMA, multiply the line rate by the number of links.
icr is the initial cell rate. Without IMA, the range is as follows:
T1, 0–3622
E1, 0–4528
clear E1, 0–4830
For IMA, multiply the line rate by the number of links.
port.vpi.vci identifies the connection.
discard_option is either 1 for CLP hysteresis or 2 for frame-based.
vc_q_depth is the ingress queue depth in the range 1–16000 cells.
clp_thresh_high is the CLP high threshold in the range 1–16000 cells.
clp_thresh_low
or
epd_threshold
is the CLP low threshold in the range 1–16000 cells for CLP
hysteresis-based discard.
or
is the EPD threshold in the range 1–16000 cells frame-based
discard.
efci_thresh is the EFCI threshold in the range 1–16000 cells.