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交换机端口流量如何查询？

二层转发

2024-02-01提问

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CrazyPanda

CrazyPanda 零段

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问题描述：

最近网速特别慢，怀疑可能有人在下载大文件，所以请问如何查看交换上各个端口的实时流量呢。或者在2层拓扑下，可以实现长时间大流量下载自动关闭或者限制端口的操作码？谢谢各位老师。

4 个回答

按时间按赞数

返璞归真

返璞归真八段

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dis int 可以看到

看哪一个参数呢，老师。 GigabitEthernet1/0/1 Current state: UP Line protocol state: UP IP packet frame type: Ethernet II, hardware address: 083a-382c-ec6c Description: xushulong Bandwidth: 1000000 kbps Loopback is not set Media type is twisted pair Port hardware type is 1000_BASE_T 1000Mbps-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: 100% Multicast max-ratio: 100% Unicast max-ratio: 100% PVID: 99 MDI type: Automdix Port link-type: Access Tagged VLANs: None Untagged VLANs: 99 Port priority: 0 Last link flapping: 3 weeks 1 days 23 hours 1 minutes Last clearing of counters: Never Current system time:2013-01-23 23:02:10 Last time when physical state changed to up:2013-01-01 00:00:53 Last time when physical state changed to down:2013-01-01 00:00:13 Peak input rate: 0 bytes/sec, at 2013-01-01 00:00:52 Peak output rate: 2211 bytes/sec, at 2013-01-01 00:06:13 Last 300 seconds input: 0 packets/sec 0 bytes/sec 0% Last 300 seconds output: 3 packets/sec 870 bytes/sec 0% Input (total): 0 packets, 0 bytes 0 unicasts, 0 broadcasts, 0 multicasts, 0 pauses Input (normal): 0 packets, - bytes 0 unicasts, 0 broadcasts, 0 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): 5114961 packets, 1072015754 bytes 49453 unicasts, 1280940 broadcasts, 3784568 multicasts, 0 pauses Output (normal): 5114961 packets, - bytes 49453 unicasts, 1280940 broadcasts, 3784568 multicasts, 0 pauses Output: 0 output errors, - underruns, - buffer failures 0 aborts, 0 deferred, 0 collisions, 0 late collisions 0 lost carrier, - no carrier

CrazyPanda 发表时间：2024-02-01 更多>>

CrazyPanda 发表时间：2024-02-01

CrazyPanda

CrazyPanda 知了小白

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看哪一个参数，老师。

GigabitEthernet1/0/1
Current state: UP
Line protocol state: UP
IP packet frame type: Ethernet II, hardware address: 083a-382c-ec6c
Description: xushulong
Bandwidth: 1000000 kbps
Loopback is not set
Media type is twisted pair
Port hardware type is 1000_BASE_T
1000Mbps-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: 100%
Multicast max-ratio: 100%
Unicast max-ratio: 100%
PVID: 99
MDI type: Automdix
Port link-type: Access
Tagged VLANs: None
Untagged VLANs: 99
Port priority: 0
Last link flapping: 3 weeks 1 days 23 hours 1 minutes
Last clearing of counters: Never
Current system time:2013-01-23 23:02:10
Last time when physical state changed to up:2013-01-01 00:00:53
Last time when physical state changed to down:2013-01-01 00:00:13
Peak input rate: 0 bytes/sec, at 2013-01-01 00:00:52
Peak output rate: 2211 bytes/sec, at 2013-01-01 00:06:13
Last 300 seconds input: 0 packets/sec 0 bytes/sec 0%
Last 300 seconds output: 3 packets/sec 870 bytes/sec 0%
Input (total): 0 packets, 0 bytes
0 unicasts, 0 broadcasts, 0 multicasts, 0 pauses
Input (normal): 0 packets, - bytes
0 unicasts, 0 broadcasts, 0 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): 5114961 packets, 1072015754 bytes
49453 unicasts, 1280940 broadcasts, 3784568 multicasts, 0 pauses
Output (normal): 5114961 packets, - bytes
49453 unicasts, 1280940 broadcasts, 3784568 multicasts, 0 pauses
Output: 0 output errors, - underruns, - buffer failures
0 aborts, 0 deferred, 0 collisions, 0 late collisions
0 lost carrier, - no carrier