show interface gbe
Displays information about Gigabit Ethernet interfaces.
Syntax: show interface gbe [access-list] [extension-counters | inflow-counters | bay/slot/port] [bay/slot/port {statistics average period | statistics delta period ]
access-list
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Displays access-list statistics for the specified list and interface.
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extension-counters
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Displays the extension counters for a specific Gigabit Ethernet interface.
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inflow counters
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Displays the inflow counters for a specific Gigabit Ethernet interface.
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bay/slot/port
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Displays information for a specific Gigabit Ethernet interface.
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period
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Specified time period in seconds. Valid Values: 5 - 300. Default: none
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Description: Use the show interface gbe bay/slot/port command to display information about the specified Gigabit Ethernet interface.
Use the show interface gbe extension-counters bay/slot/port command to display the extension counters for the specified Gigabit Ethernet interface.
Use the show interface gbe inflow-counters bay/slot/port command to display the inflow counters for the specified Gigabit Ethernet interface.
Use the show interface gbe bay/slot/port statistics average period command to display the average statistics for the specified interface over the specified time period in seconds.
Use the show interface gbe bay/slot/port statistics delta period command to display the delta statistics for the specified interface over the specified time period in seconds.
Factory Default: None.
Command Mode: Executive and privileged.
Example 1: The following is sample output of the show interface gbe bay/slot/port command:
router#show interfaces gbe 1/5/2
GBE 1/5/2 interface status is down, line protocol is down
Member of aggregate-link r6
Ethernet address is 00:00:00:00:00:00
MTU 1500 bytes, Bandwidth 1000.000 Mbit/Sec
5 min in rate 0.0000 b/s, 0.0000 packets/s, 0.0000% util
5 sec in rate 0.0000 b/s, 0.0000 packets/s, 0.0000% util
5 min out rate 0.0000 b/s, 0.0000 packets/s, 0.0000% util
5 sec out rate 0.0000 b/s, 0.0000 packets/s, 0.0000% util
Encapsulation ARPA
Frame type for ARP is ARPA, Frame type for IP is ARPA
Autonegotiation is Enabled, Flow control is symmetric
Vlan is Disabled, Number of vlans on this port are 0
Loopback Mode : None
Received:
0 bytes
0 directed packets, 0 multicast packets, 0 broadcast packets
0 discards, 0 errors, 0 unknown protocols
Transmitted:
0 bytes
0 directed packets, 0 multicast packets, 0 broadcast packets
0 discards, 0 errors
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Example 2: The following command displays an example of the show interfaces pos statistics average command output for a period of 10 seconds:
router#show interfaces pos 1/16/1 statistics average 10
Statistics for POS 1/16/1: Average over 10 seconds
Input:
Octets 1888 bits
UnicastPkts 2 packets
BroadcastPkts 0 packets
Discards 0
Errors 0
Output:
Octets 1520 bits
UnicastPkts 3 packets
BroadcastPkts 0 packets
Discards 0
Errors 0
router#
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Example 3: The following command displays an example of the show interfaces pos statistics delta command output for a period of 80 seconds:
router#show interfaces gbe 1/3/1 statistics delta 80
Statistics for 1/3/1: Delta over 80 seconds
Input:
Octets 84088 bits
UnicastPkts 5 packets
BroadcastPkts 0 packets
Discards 0
Errors 0
Output:
Octets 17624 bits
UnicastPkts 7 packets
BroadcastPkts 0 packets
Discards 0
Errors 0
router#
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- The following table describes the fields in the display:
Table 4-8. Fields Displayed by show interface gbe
| Field
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Description
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Internet address
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IP address and netmask of the interface.
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Broadcast address
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The address for all hosts on a network.
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Ethernet address
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The Ethernet address for this interface.
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MTU bytes
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The maximum transfer unit (MTU) size for this interface.
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bandwidth
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Available bandwidth of this interface.
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Encapsulation
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The protocol enabled on this interface.
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Frame type for ARP
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The frame type used for the Address Resolution Protocol.
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Frame type for IP
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The frame type used for the Internet Protocol.
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Autonegotiation
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Indicates if autonegotiation is enabled. If enabled, attempts to discover the highest mode of interoperability on the link.
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Flow control
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Indicates how the interface will control traffic during periods of congestion. Valid values are:
- asymmetric allows the local port to determine on its own whether to perform flow control of the remote port.
- symmetric allows for the local port to perform flow control only if the remote port can also perform flow control of the local port.
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Received:
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bytes
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The total number of packets received over this interface.
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directed packets
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The number of unicast packets received on this interface.
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multicast packets
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The number of multicast packets received on this interface.
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broadcast packets
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The number of broadcast packets received on this interface.
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discards
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The number of received packets purposely dropped during reception on this interface.
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errors
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The number of errored packets received on this interface.
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unknown protocols
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The number of packets received with an unknown protocol.
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Transmitted:
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bytes
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The total number of bytes sent over member links of this interface.
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directed packets
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The number of unicast packets sent on this interface.
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multicast packets
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The number of multicast packets sent on this interface.
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broadcast packets
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The number of broadcast packets sent on this interface.
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discards
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The number of packets purposely dropped during transmission on this interface.
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errors
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The number of packets sent in error on this interface.
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Example 4: In the following example, the show interface gbe extension-counters bay/slot/port command displays the extension counters for the specified POS interface:
router#show interface gbe extension-counters 1/4/1
Bad Control Field: 0
CRC Error: 0
Bad IPv4 Header Checksum: 0
Maximum Packet Length Exceeded: 0
IPv4 Packets Truncated: 0
IPv6 Packets Truncated: 0
IPv4 Packet Header Length Error: 0
IP Version Error: 0
Me FIFO Packets Discarded: 0
Runt Packet: 0
Page Allocation Error: 0
Packet Descriptors Discarded: 0
Non-IP Packets(PPP/ISIS): 0
IPv4 Packets: 249655271
IPv6 Packets: 0
Allocated Packet Descriptors Discarded: 0
IPv6 Packets Too Short: 0
IPv4 Packets Too Short: 0
Page Reply Parity Errors: 0
Octets Received: 4294967295
Transmit Packet Descriptors Received: 0
Pings Received: 0
Autotunnelled Packets Received: 0
Octets Transmitted: 0
Packets Transmitted: 0
Packet Underflow: 0
Packets Discarded: 0
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The following table describes the fields in the display:
Table 4-9. Fields Displayed by show interface gbe extension-counters
| Field
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Description
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Bad Control Field
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The number of packets received on this link with an unrecognized Control Field.
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CRC Error
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The number of packets received on this link with a bad CRC.
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Bad IPv4 Header Checksum
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Total number of IP Version 4 packets received by this sub-layer with bad IP header checksum. The counter is only incremented if there are no framing errors.
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Maximum Packet Length Exceeded
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The total number of frames received that exceed the Maximum Frame Size set for this interface.
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IPv4 Packets Truncated
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Total number of Truncated IP Version 4 packets received by this sub-layer. This counter is only incremented if there are no framing errors.
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IPv6 Packets Truncated
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Total number of Truncated IP Version 6 packets received by this sub-layer. This counter is only incremented if there are no framing errors.
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IPv4 Packet Header Length Error
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Total number of IP Version 4 packets received which had bad header lengths. This counter is only incremented if there are no framing errors.
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IP Version Error
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Total number of packets received with unrecognized version in the IP Version field. This counter is only incremented if there are no framing errors.
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Me FIFO Packets Discarded
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Number of packets discarded by the Main FIFO. Packets are discarded when the Main FIFO is full and the line_ts_full or rx_pdf_nearfull signal is asserted.
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Runt Packet
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Total number of frames received at this sub-layer which were smaller than the minimum frame size. Runt packets are silently discarded.
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Page Allocation Error
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Number of times reply to an Allocate or Allocate Link Last or a Last Page command returned page zero.
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Packet Descriptors Discarded
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Total number of packets which were discarded by this sub-layer due to an error.
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Non-IP Packets(PPP/ISIS)
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Total number of packets delivered by this sub-layer to a Non IP higher sub-layer.
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IPv4 Packets
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Total number of packets delivered by this sub-layer to IP Version 4 sub-layer.
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IPv6 Packets
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Total number of packets delivered by this sub-layer to IP Version 6 sub-layer.
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Allocated Packet Descriptors Discarded
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Total number of times the Input Framer had to discard a Receive Packet Descriptor because it got a page-0 reply from packet memory.
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IPv6 Packets Too Short
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Total number of IP Version 6 packets received by this sub-layer that were shorter than the minimum IP Version 6 packet length.
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IPv4 Packets Too Short
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Total number of IP Version 4 packets received by this sub-layer that were shorter than the minimum IP Version 4 packet length.
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Page Reply Parity Errors
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Number of parity errors detected in page reply phase.
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Octets Received
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Total number of octets received for this interface.
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Transmit Packet Descriptors Received
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Total number of packet descriptors received for transmission over this interface.
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Pings Received
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The total number of ICMP Echo Responses that higher-level protocols requested be transmitted by this sub-layer.
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Octets Transmitted
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Total number of octets output over this interface.
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Packets Transmitted
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The total number of packets that higher-level protocols requested be transmitted by this sublayer. This count includes all packet types that is unicast, multicast, and link layer control packets.
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Packet Underflow
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Internal Counter. Total number of packets which experienced an underflow due to internal packet memory.
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Packets Discarded
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The number of outbound packets which were chosen to be discarded even though there were no errors encountered. A possible reason for discard is to free up buffer space.
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Related Commands: interface gbe
show interface composite-link
show interface gbe
show interface statistics
