我发现连接到光纤 NTU(Cisco ME 3400E)的 WAN 端口(Sophos SG210)上出现很多冲突和错误
这是 100Mb 的上行/下行光纤,但我的下载速度约为 60Mb,上传速度约为 3Mb。我认为上传速度慢的原因是数据包冲突和错误。
当我将笔记本电脑直接连接到 NTP 时,我可以获得大约 70Mb/70Mb。
造成该问题的原因是什么?
这是 SG210 上的 WAN 链路上的 ifconfig。
eth1 Link encap:Ethernet HWaddr xx:xx:xx:xx:xx:xx
inet addr:110.xxx.xxx.xxx Bcast:110.xxx.xxx.xxx Mask:255.255.255.252
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:373271 errors:0 dropped:0 overruns:0 frame:0
TX packets:220080 errors:2306 dropped:0 overruns:0 carrier:2306
collisions:128842 txqueuelen:1000
RX bytes:527821557 (503.3 Mb) TX bytes:48346583 (46.1 Mb)
ethtool eth1
Settings for eth1:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supported pause frame use: Symmetric
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised pause frame use: Symmetric
Advertised auto-negotiation: Yes
Speed: 100Mb/s
Duplex: Half
Port: Twisted Pair
PHYAD: 1
Transceiver: internal
Auto-negotiation: on
MDI-X: off (auto)
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x00000007 (7)
drv probe link
Link detected: yes
答案1
您的接口以半双工模式运行,这可能是发生冲突的原因。