交换机端口频繁updown

[H3C]dis int GigabitEthernet 1/0/2

GigabitEthernet1/0/2

Current state: UP

Line protocol state: UP

IP packet frame type: Ethernet II, hardware address: 305f-7785-32bd

Description: GigabitEthernet1/0/2 Interface

Bandwidth: 100000 kbps

Loopback is not set

Media type is twisted pair

Port hardware type is 1000_BASE_T

100Mbps-speed mode, full-duplex mode

Link speed type is autonegotiation, link duplex type is autonegotiation

Flow-control is not enabled

Maximum frame length: 10240

Allow jumbo frames to pass

Broadcast max-ratio: 1%

Multicast max-ratio: 100%

Unicast max-ratio: 100%

PVID: 1

MDI type: Automdix

Port link-type: Access

 Tagged VLANs:   None

 Untagged VLANs: 1

Port priority: 0

Last link flapping: 0 hours 0 minutes 4 seconds

Last clearing of counters: Never

Current system time:2013-01-01 00:43:14

Last time when physical state changed to up:2013-01-01 00:43:09

Last time when physical state changed to down:2013-01-01 00:43:07

 Peak input rate: 256683 bytes/sec, at 2013-01-01 00:43:11 

 Peak output rate: 13575 bytes/sec, at 2013-01-01 00:31:46 

 Last 300 seconds input: 178 packets/sec 256683 bytes/sec 2%

 Last 300 seconds output: 93 packets/sec 6376 bytes/sec 0%

 Input (total):  58523 packets, 80669549 bytes

         57967 unicasts, 172 broadcasts, 384 multicasts, 0 pauses

 Input (normal):  58523 packets, - bytes

         57967 unicasts, 172 broadcasts, 384 multicasts, 0 pauses

 Input:  0 input errors, 0 runts, 0 giants, 0 throttles

         0 CRC, 0 frame, - overruns, 0 aborts

         - ignored, - parity errors

 Output (total): 39009 packets, 6205945 bytes

         32105 unicasts, 3884 broadcasts, 3020 multicasts, 0 pauses

 Output (normal): 39009 packets, - bytes

         32105 unicasts, 3884 broadcasts, 3020 multicasts, 0 pauses

 Output: 0 output errors, - underruns, - buffer failures

         0 aborts, 0 deferred, 0 collisions, 0 late collisions

         0 lost carrier, - no carrier

%Jan  1 00:43:47:864 2013 H3C IFNET/5/LINK_UPDOWN: Line protocol state on the interface GigabitEthernet1/0/2 changed to down.

%Jan  1 00:43:49:496 2013 H3C IFNET/3/PHY_UPDOWN: Physical state on the interface GigabitEthernet1/0/2 changed to up.

%Jan  1 00:43:49:505 2013 H3C IFNET/5/LINK_UPDOWN: Line protocol state on the interface GigabitEthernet1/0/2 changed to up.

%Jan  1 00:43:59:949 2013 H3C IFNET/3/PHY_UPDOWN: Physical state on the interface GigabitEthernet1/0/2 changed to down.

%Jan  1 00:43:59:961 2013 H3C IFNET/5/LINK_UPDOWN: Line protocol state on the interface GigabitEthernet1/0/2 changed to down.

%Jan  1 00:44:01:576 2013 H3C IFNET/3/PHY_UPDOWN: Physical state on the interface GigabitEthernet1/0/2 changed to up.

%Jan  1 00:44:01:583 2013 H3C IFNET/5/LINK_UPDOWN: Line protocol state on the interface GigabitEthernet1/0/2 changed to up.

%Jan  1 00:44:06:956 2013 H3C IFNET/3/PHY_UPDOWN: Physical state on the interface GigabitEthernet1/0/2 changed to down.

%Jan  1 00:44:06:958 2013 H3C IFNET/5/LINK_UPDOWN: Line protocol state on the interface GigabitEthernet1/0/2 changed to down.

%Jan  1 00:44:08:630 2013 H3C IFNET/3/PHY_UPDOWN: Physical state on the interface GigabitEthernet1/0/2 changed to up.

%Jan  1 00:44:08:637 2013 H3C IFNET/5/LINK_UPDOWN: Line protocol state on the interface GigabitEthernet1/0/2 changed to up.

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