Chapter 4 Troubleshooting the System
Understanding Show Command Responses
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| Cable slot/port is | Indicates whether the interface hardware is currently | ||||
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| up/...administratively down | active or taken down by the administrator | ||||
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| line protocol is | Indicates whether the software processes that handle the | ||||
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| up/...administratively down | line protocol believe the interface is usable or if it has been | ||||
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| taken down by the administrator | ||||
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| hardware | Hardware type and address | ||||
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| Internet address | Internet address followed by subnet mask | ||||
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| MTU | Maximum Transmission Unit (MTU) of the interface | ||||
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| BW | Bandwidth of the interface in kilobits per second | ||||
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| DLY | Delay of the interface in microseconds | ||||
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| rely | Reliability of the interface as a fraction of 255, calculated | ||||
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| as an exponential average over 5 minutes. (For example, | ||||
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| 255/255 is 100% reliability) | ||||
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| load | Load on the interface as a fraction of 255, calculated as an | ||||
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| exponential average over 5 minutes. (For example, | ||||
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| 255/255 is complete saturation.) | ||||
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| Encapsulation | Encapsulation method assigned to this interface. | ||||
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| ARP type | Type of Address Resolution Protocol (ARP) and timeout | ||||
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| value assigned | ||||
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| Last input | Number of hours, minutes, and seconds since the last | ||||
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| packet was successfully received by an interface | ||||
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| output | Number of hours, minutes, and seconds since the last | ||||
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| packet was successfully transmitted by an interface | ||||
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| Last clearing of “show | Time when the counters that measure cumulative statistics, | ||||
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| interface” counters | such as number of bytes transmitted and received, were | ||||
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| last reset to zero | ||||
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| Queueing strategy | Displays the type of queueing configured for this interface. | ||||
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| In the example output, the type of queueing configured is | ||||
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| First In First Out (FIFO) | ||||
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| Output queue | Number of packets in the output queue. The format of this | ||||
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| number is A/B where A indicates the number of packets in | ||||
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| the queue, and B indicates the maximum number of | ||||
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| packets allowed in the queue | ||||
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| drops | Indicates the number of packets dropped due to a full | ||||
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| queue | ||||
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| input queue/drops | Number of packets in the input queue. The format of this | ||||
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| number is A/B where A indicates the number of packets in | ||||
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| the queue, and B indicates the maximum number of | ||||
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| packets allowed in the queue. | ||||
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| Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide |
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