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DX6 on Linux by uSID

The Linux come from by my compiled kernel that supports uSID, please check my last blog: Compile SRv6 uSID and VPP on ubuntu 20.04

Before doing SRv6 lab, please double confirm enable the function by following cmd:

sysctl -w net.ipv6.conf.all.forwarding=1
sysctl -w net.ipv4.conf.all.forwarding=1
sysctl -w net.ipv6.conf.all.seg6_enabled=1

Check by following cmd:

root@vm1:/home/cisco# sysctl -a |grep net.ipv6.conf.all.forwarding
net.ipv6.conf.all.forwarding = 1

Above cmd will disappear after reboot, you can permanently write to “/etc/sysctl.conf”.

Btw, how to config srv6 and usid, reference follows:

SRv6 uSID Linux Iproute2

SRv6 – Linux Kernel Implementation

Topology

完整阅读

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Compile SRv6 uSID and VPP on ubuntu 20.04

PS: Compile Server base on “focal-server-cloudimg-amd64.vmdk”, 20200706 update.

General Config on ubuntu

Config port by new “ip” cmd, and DNS

root@server-test:/opt# ip addr add 10.75.37.59/24 dev ens4
# config addr for one port 
root@server-test:/opt# ip addr del 172.16.1.163/24 dev ens3
# delet addr for one port
root@server-test:/opt# ip addr
# equal with ifconfig
root@server-test:/opt# ip link set ens4 up
# up one port 
root@server-test:/opt# ip -s link ls ens4
# cool cmd, check RX/TX packets, errors, dropped, overrun, mcast
root@server-test:/opt# ip route add default via 10.75.37.1 
# config default route
root@server-test:/opt# ip route
# check v4 route table
root@server-test:/opt# ip -6 route
# check v6 route table
root@server-test:/opt# echo 'nameserver 64.104.123.144' > /etc/resolv.conf

完整阅读

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