![Ubuntu 18.04 LTS - 以太网上的 TCP/IP 连接时间非常慢](https://linux22.com/image/950180/Ubuntu%2018.04%20LTS%20-%20%E4%BB%A5%E5%A4%AA%E7%BD%91%E4%B8%8A%E7%9A%84%20TCP%2FIP%20%E8%BF%9E%E6%8E%A5%E6%97%B6%E9%97%B4%E9%9D%9E%E5%B8%B8%E6%85%A2.png)
这个问题最近才出现 - 最近几天。新连接最多需要 60 秒。连接后,如果请求的服务没有超时,则上传和下载速度都正常。
我以为这可能与内核从 5.3 升级到 5.4 有关,但找不到该帖子
输出uname -a
Linux paul-HP-15-Notebook-PC 5.4.0-132-generic #148~18.04.1-Ubuntu SMP Mon Oct 24 20:41:14 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
输出sudo lshw | grep -A 15 "network"
*-network
description: Ethernet interface
product: RTL810xE PCI Express Fast Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:08:00.0
logical name: enp8s0
version: 07
serial: 34:64:a9:7f:ee:aa
size: 100Mbit/s
capacity: 100Mbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 duplex=full firmware=rtl8106e-1_0.0.1 06/29/12 ip=192.168.0.123 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
resources: irq:18 ioport:4000(size=256) memory:b2600000-b2600fff memory:b2400000-b2403fff
该电脑是 2014 年 HP 笔记本电脑
答案1
原来是笔记本电脑和路由器之间的交换机出了问题