3-21
Configuring Ethernet Interfaces
Viewing the Status of Ethernet Interfaces or Subinterfaces
Figure 3-5. Interpreting the Output from a show interfaces ethernet Command
The Ethernet 0/1 interface shown in Figure 3-5 is up, and the line protocol is
up. You can also see that the IP address and subnet mask have been configured
and the speed of the connection is 100 Mbps with full-duplex.
If you have created Ethernet subinterfaces to support the VLANs on your
network, enter:
Syntax: show interfaces eth 0/<port number.subinterface number>
For example, to view the status of the Ethernet 0/2.5 subinterface, enter:
ProCurve# show interfaces ethernet 0/2.5
You can view the status information for the Ethernet interfaces in real-time by
adding the
realtime
option to the
show interfaces
command. (See Figure 3-6.)
Syntax: show interfaces eth 0/<port number.subinterface number> [realtime]
eth 0/1 is UP
eth 0/1 is UP, line protocol is UP
Hardware address is 00:15:55:05:35:D4
Ip address is 192.168.1.1, netmask is 255.255.255.0
MTU is 1500 bytes, BW is 100000 Kbit
100Mb/s, negotiated full-duplex, configured full-duplex
ARP type: ARPA; ARP timeout is 20 minutes
5 minute input rate 32 bits/sec, 0 packets/sec
5 minute output rate 16 bits/sec, 0 packets/sec
16 packets input, 1460 bytes
0 unicasts, 16 broadcasts, 0 multicasts input
0 unknown protocol, 0 symbol errors, 0 discards
0 input errors, 0 runts, 0 giants
0 no buffer, 0 overruns, 0 internal receive errors
0 alignment errors, 0 crc errors
3 packets output, 522 bytes
2 unicasts, 1 broadcasts, 0 multicasts output
0 output errors, 0 deferred, 0 discards
0 single, 0 multiple, 0 late collisions
0 excessive collisions, 0 underruns
0 internal transmit errors, 0 carrier sense errors
0 resets, 0 throttles
Physical Layer and Data
Link Layer are up
Negotiated
speed and
type of
duplex
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