no route to host# 这时候会发现873端口是不通的首先检查是否为iptables的问题#iptables -nvlchain input (policy accept 0 packets, 0 bytes) pkts bytes34 linux系统日志linux系统日志varlogmessages是linux系统一个总的日志——>除非某些服务,有定义单独的

2020-7-8 · Your no route to host while the machine is ping-able is the sign of a firewall that denies you access politely (i.e. with an ICMP message rather than just DROP-ping).. See your REJECT lines? They match the description (REJECT with ICMP xxx). The problem is that those seemingly (#) catch-all REJECT lines are in the middle of your rules, therefore the following rules won't be executed at all. network trouble with iperf - Ars Technica OpenForum 2006-10-20 iperf "No Route to Host" error 발생시 iperf로 테스트시 "No Route to Host" error 발생시 Host 쪽에서 아래와 같이 조치하여 준다. /sbin/iptables -L -n /etc/init.d/iptables save /etc/init networking - "no route to host" with static IP. Able to 2020-7-7 · “no route to host” with static IP. Able to ping. Ask Question Asked 2 years, 3 months ago. Active 2 years, 3 months ago. Viewed 9k times 1. I just configured a new server from DigitalOcean. I don't think I changed anything on the server's networking configuration other than changing the ssh port from 22 to 2202, but all of a sudden I am

【网络丢包率测试工具】- CSDN

2018-7-22 · 开发板host,ip:172.27.0.25,App手机做client: 测试UDP: 开发板:# iperf -V -s -u 手机:iperf -p -l -w -i 1.0 -u -c 172.27.0.25 -t 10.0 -b 100m 测试TCP: 开发板:# iperf -V -s 手机:iperf -p -l -w -i 1.0 -c 172.27.0.25 -t 10.0 开发板client,App手机做service,ip:172 How to use iperf on an ESX host - steffr.ch Did you ever want to test the network-speed to your ESX-Host with iperf? Follow this short howto! read UDPv4 [EHOSTUNREACH]: No route to host (code=113

Emulating wide area network delays with Linux. NetEm (already enabled in the Linux kernel) provides Network Emulation functionality for testing protocols by emulating the properties of wide area networks. To simulate an additional latency of 80 ms, just type sudo tc qdisc add dev eth0 root netem delay 80ms It just adds a fixed amount of delay to all packets going out of the local Ethernet.

性能提升40%: 腾讯 TKE 用 eBPF绕过 conntrack 优 … 2020-7-20 · 腾讯TKE团队开发了新的k8s service模式IPVS-BPF,完全绕过nf_conntrack,使用eBPF完成SNAT功能。短连接性能提升40%以上,p99时延降低31% hidekiy blog: [linux] ping は通るのに No route to … 2020-5-22 · ping による疎通は確認できるのに、いざ ssh などで繋ごうとすると No route to host というエラーで即座に接続失敗し途方に暮れる場合、おそらく原因は接続先のホストの iptables によりパケットがブロックされ、到達不能を意味する ICMP パケットが返ってきたことによります。 Iperf / Re: Client and server on same computer