网络拓扑图如上。s5130开启环回检测,下面的tplink傻瓜交换机人为制造环路,如红线部分。现在的情况是tplink下面的电脑无法上网,但是5130,不管是全局还是11端口都没有任何提示信息。
全局配置
loopback-detection global enable vlan 1 to 4094
接口配置
interface GigabitEthernet1/0/11
port access vlan 80
broadcast-suppression 10
loopback-detection enable vlan 1 to 4094
全局提示信息
<H3C>display loopback-detection
Loopback detection is enabled.
Loopback detection interval is 30 second(s).
No loopback is detected.
<H3C>
11口信息
<H3C>display interface GigabitEthernet 1/0/11
GigabitEthernet1/0/11
Current state: UP
Line protocol state: UP
IP packet frame type: Ethernet II, hardware address: 38ad-befe-14a9
Description: GigabitEthernet1/0/11 Interface
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: 12288
Allow jumbo frames to pass
Broadcast max-ratio: 10%
Multicast max-ratio: 100%
Unicast max-ratio: 100%
PVID: 80
MDI type: Automdix
Port link-type: Access
Tagged VLANs: None
Untagged VLANs: 80
Port priority: 0
Last link flapping: 1 hours 37 minutes 38 seconds
Last clearing of counters: Never
Peak input rate: 18031 bytes/sec, at 2013-01-01 01:03:29
Peak output rate: 501883 bytes/sec, at 2013-01-01 00:25:52
Last 300 second input: 22 packets/sec 4091 bytes/sec 0%
Last 300 second output: 45 packets/sec 9410 bytes/sec 0%
Input (total): 167770 packets, 46057229 bytes
158331 unicasts, 7532 broadcasts, 1907 multicasts, 0 pauses
Input (normal): 167770 packets, - bytes
158331 unicasts, 7532 broadcasts, 1907 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): 2419882 packets, 248903091 bytes
159205 unicasts, 2114980 broadcasts, 145697 multicasts, 0 pauses
Output (normal): 2419882 packets, - bytes
159205 unicasts, 2114980 broadcasts, 145697 multicasts, 0 pauses
Output: 0 output errors, - underruns, - buffer failures
0 aborts, 0 deferred, 0 collisions, 0 late collisions
0 lost carrier, - no carrier
<H3C>
(0)
最佳答案
loopback-detection 是不是用于上面拓扑图的单端口环回检测
多端口用生成树吧
(0)
不是,你看看配置指导:http://www.h3c.com/cn/d_201711/1041397_30005_0.htm 这里面的配置就是多端口环路,应该是这款设备不支持单端口环路。
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不是,你看看配置指导:http://www.h3c.com/cn/d_201711/1041397_30005_0.htm 这里面的配置就是多端口环路,应该是这款设备不支持单端口环路。