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Os

2023-05-31 00:00:00 +0000

unix系统图谱


MetalLB,多网卡环境有时候会无法访问

2023-05-31 00:00:00 +0000

背景

k8s LB类型的service,在多网卡环境下,通过externalIP访问,有时候无法正常访问。


ipvs模式下,频繁断网

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现象

k8s 使用ipvs,跨节点访问svc,频繁出现Connection reset by peer的错误


Vlan

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VLAN相关文档:


Tcp_handshake

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tcp详解


Ssh

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修改ssh的key以及fingerprint

rm -rf /etc/ssh/ssh_host_*
ssh-keygen -A
# client端删除know_hosts里面对应的信息
ssh-keygen -R 192.168.1.1

多网卡设置

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多网卡路由设置(source-based routing, policy-based routing)


Linux_network

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网络


Iptables

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iptables


Calico

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calico网络解析

https://www.ffutop.com/posts/2019-12-24-how-calico-works/