Installation guide

59
Cisco uBR7200 Series Universal Broadband Router Wireless Modem Card and Subsystem Installation and Configuration
78-6030-03
Command Reference
Example
The following command will display the ARQ configuration for the modem card in slot 3, port 0:
UBR04# show interfaces radio 3/0 arq
ARQ State = on
Data Latency = 20 ms
Voice Latency = 20 ms
Maximum ARQ Bandwidth Overhead = 12.50%
Typical Bit Rate = 10845152 bits/sec
Minimum Bit Rate = 9488600 bits/sec
Burst Size = 16 codewords
Maximum Latency Jitter = 2679 usec
Monitoring the System
These commands are used during operation to monitor the system’s actions and set up measurements of
system statistics. They are not required for operation. The commands include:
• radio metrics-threshold—To measure how well the radio link is performing over time
• radio threshold—To configure a threshold event specification
• show interfaces radio (thresholds)—To display the set of currently configured thresholds
• show interfaces radio (link-metrics)—To display performance metrics of the radio link
• clear radio interface radio (link-metrics)—To clear configured metrics
radio metrics-threshold
Use this command in interface configuration mode to set threshold values for the radio link to measure
how well the radio link is performing over time. When the radio link is synchronized, the measurement
parameters used are error-free seconds (EFS), errored seconds (ES), severely errored seconds (SES),
consecutively errored seconds (CSES), degraded seconds (DS), and degraded minutes (DM).
All link metrics are measured in terms of codewords. A codeword is a unit (228 bytes) of data
transmission over the radio link. It contains user data, error counts and collation information so that
successive codewords may be reconstructed at the receiving end into the transmitted data.
Note This command must be used with care; arbitrary changes will distort the performance metrics
reported for the radio link.
Use the radio metrics-threshold code-word command to configure thresholds that determine when a
second is classified as ES, DS, SES, or CSES.
ARQPeakBitRate The maximum possible peak bit rate that the link can handle based on the
current channel-parameter and ARQ settings.
ARQMinBitRate The minimum bit rate that may be seen on the link based on the current
channel-parameter and ARQ settings.
ARQMaxLatencyJitter The maximum jitter expected on this link based on the current
configuration.