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For ethernet port, using status to show important information of all the layer 2 ports by list format. each port is a row,
the showing information include port number, Link, Protocol status, Speed, Duplex, Vlan, port type and port name;
counter packets show package number statistics of all ethernet ports, include layer 2 unicast, broadcast, multicast,
error of input and output redirection package number; counter rate show the rate statistics of all ethernet ports, input
and output package number, byte number in 5 minutes and 5 seconds.
Example:
Show the information of VLAN 1
Switch#show interface vlan 1
Vlan1 is up, line protocol is up, dev index is 2005
Device flag 0x1003(UP BROADCAST MULTICAST)
IPv4 address is:
192.168.10.1 255.255.255.0 (Primary)
Hardware is EtherSVI, address is 00-00-00-00-00-01
MTU is 1500 bytes , BW is 0 Kbit
Encapsulation ARPA, loopback not set
5 minute input rate 0 bytes/sec, 0 packets/sec
5 minute output rate 0 bytes/sec, 0 packets/sec
The last 5 second input rate 0 bytes/sec, 0 packets/sec
The last 5 second output rate 0 bytes/sec, 0 packets/sec
Input packets statistics:
Input queue 0/600, 0 drops
0 packets input, 0 bytes, 0 no buffer
0 input errors, 0 CRC, 0 frame alignment, 0 overrun
0 ignored, 0 abort, 0 length error
Output packets statistics:
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 0 late collisions
Show the information of port 1/1:
Switch#show interface e1/1
Ethernet1/1 is up, line protocol is down
Ethernet1/1 is layer 2 port, alias name is (null), index is 1
Hardware is Gigabit-TX, address is 00-30-4f-02-fc-01
PVID is 1
MTU 1500 bytes, BW 10000 Kbit
Encapsulation ARPA, Loopback not set
Auto-duplex: Negotiation half-duplex, Auto-speed: Negotiation 10M bits
FlowControl is off, MDI type is auto