From a2547bcd8361254403d50ed7b38a30050938dfaf Mon Sep 17 00:00:00 2001 From: Nico Schottelius Date: Fri, 1 Nov 2019 17:51:06 +0100 Subject: [PATCH] begin networking --- network/README | 60 ++++++++++++++++++++++++++++++++++ network/create-vxlan-on-dev.sh | 17 ++++++++++ 2 files changed, 77 insertions(+) create mode 100644 network/README create mode 100644 network/create-vxlan-on-dev.sh diff --git a/network/README b/network/README new file mode 100644 index 0000000..e32acd9 --- /dev/null +++ b/network/README @@ -0,0 +1,60 @@ +The network base - experimental + + +We want to have 1 "main" network for convience. + +We want to be able to create networks automatically, once a new +customer is created -> need hooks! + + +Mapping: + +- each network is a "virtual" network. We use vxlan by default, but + could be any technology! +- we need a counter for vxlan mappings / network IDs -> cannot use + +Model in etcd: + +/v1/networks/ + + +Tests +see +https://vincent.bernat.ch/en/blog/2017-vxlan-linux + + +# local 2001:db8:1::1 \ + + +netid=100 +dev=wlp2s0 +dev=wlp0s20f3 +ip -6 link add vxlan${netid} type vxlan \ + id ${netid} \ + dstport 4789 \ + group ff05::${netid} \ + dev ${dev} \ + ttl 5 + +[root@diamond ~]# ip addr add 2a0a:e5c0:5::1/48 dev vxlan100 +root@manager:~/.ssh# ip addr add 2a0a:e5c0:5::2/48 dev vxlan100 +root@manager:~/.ssh# ping -c3 2a0a:e5c0:5::1 +PING 2a0a:e5c0:5::1(2a0a:e5c0:5::1) 56 data bytes +64 bytes from 2a0a:e5c0:5::1: icmp_seq=1 ttl=64 time=15.6 ms +64 bytes from 2a0a:e5c0:5::1: icmp_seq=2 ttl=64 time=30.3 ms +64 bytes from 2a0a:e5c0:5::1: icmp_seq=3 ttl=64 time=84.4 ms + +--- 2a0a:e5c0:5::1 ping statistics --- +3 packets transmitted, 3 received, 0% packet loss, time 2003ms +rtt min/avg/max/mdev = 15.580/43.437/84.417/29.594 ms + +--> work even via wifi + + +-------------------------------------------------------------------------------- + +Creating a network: + +1) part of the initialisation / demo data (?) + +We should probably provide some demo sets that can easily be used. diff --git a/network/create-vxlan-on-dev.sh b/network/create-vxlan-on-dev.sh new file mode 100644 index 0000000..87687c9 --- /dev/null +++ b/network/create-vxlan-on-dev.sh @@ -0,0 +1,17 @@ +#!/bin/sh + +if [ $# -ne 2 ]; then + echo "$0 vxlanid dev" + echo "f.i. $0 100 eth0" + exit 1 +fi + +netid=$1; shift +dev=$1; shift + +ip -6 link add vxlan${netid} type vxlan \ + id ${netid} \ + dstport 4789 \ + group ff05::${netid} \ + dev ${dev} \ + ttl 5