Service Manual

Line Description
be able to retrieve some data about them. In that case,
typically when the output of this field is “Pluggable media
present, Media type is unknown”, the Medium and the
XFP/SFP receive power reading data might not be present in
the output.
Interface index... Displays the interface index number the SNMP uses to
identify the interface.
Internet address... States whether an IP address is assigned to the interface. If
an IP address is assigned, that address is displayed.
MTU 1554... Displays link and IP MTU information.
LineSpeed Displays the interface’s line speed, duplex mode, and
negotiation mode.
ARP type:... Displays the ARP type and the ARP timeout value for the
interface.
Last clearing... Displays the time when the show interfaces counters
where cleared.
Queuing
strategy...
States the packet queuing strategy. FIFO means first in first
out.
Input Statistics: Displays all the input statistics including:
• Number of packets and bytes into the interface
• Number of packets with VLAN tagged headers
• Packet size and the number of those packets inbound to
the interface
• Number of Multicast and Broadcast packets:
– Multicasts = number of MAC multicast packets
– Broadcasts = number of MAC broadcast packets
• Number of runts, giants, and throttles packets:
– runts = number of packets that are less than 64B
– giants = packets that are greater than the MTU size
– throttles = packets containing PAUSE frames
• Number of CRC, overrun, and discarded packets:
– CRC = packets with CRC/FCS errors
– overrun = number of packets discarded due to FIFO
overrun conditions
– discarded = the sum of runts, giants, CRC, and
overrun packets discarded without any processing
Output Statistics: Displays output statistics sent out of the interface including:
• Number of packets, bytes, and underruns out of the
interface
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Interfaces