External/passt
1
0
Fork 0
mirror of https://passt.top/passt synced 2024-07-01 23:42:41 +00:00
Code Issues Packages Projects Releases Wiki Activity

doc/demo.sh: Support IPv4-only environments too

Browse Source 
If no IPv6 global addresses are available, proceed with just IPv4
addresses and routes.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
Stefano Brivio 2021-07-17 08:27:32 +02:00
parent 90078ebc59
commit 69c8e5b598
1 changed files with 14 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
doc/demo.sh
View File

@ -84,18 +84,21 @@ nft add chain "${ns}_nat" postrouting '{ type nat hook postrouting priority -100
nft add rule "${ns}_nat" postrouting ip saddr "${ipv4_ns}" masquerade
ipv6_addr="$(ipv6_devaddr "$(ipv6_dev)")"
ipv6_passt="$(ipv6_mangle "${ipv6_addr}" ${ns_idx})"
ndp_setup "${ipv6_passt}" "veth_${ns}"
ip -n "${ns}" addr add "${ipv6_passt}/$(ipv6_mask "${ipv6_addr}")" dev "veth_${ns}"
ip addr add "${ipv6_addr}" dev "veth_${ns}"
ip route add "${ipv6_passt}" dev "veth_${ns}"
passt_ll="$(ipv6_ll_addr "veth_${ns}")"
main_ll="$(get_token "link/ether" $(ip -o li sh "veth_${ns}"))"
ip neigh add "${passt_ll%%/*}" dev "veth_${ns}" lladdr "${main_ll}"
ip -n "${ns}" route add default via "${passt_ll%%/*}" dev "veth_${ns}"
sysctl -w net.ipv6.conf.all.forwarding=1
if [ -n "${ipv6_addr}" ]; then
ipv6_passt="$(ipv6_mangle "${ipv6_addr}" ${ns_idx})"
ndp_setup "${ipv6_passt}" "veth_${ns}"
ip -n "${ns}" addr add "${ipv6_passt}/$(ipv6_mask "${ipv6_addr}")" dev "veth_${ns}"
ip addr add "${ipv6_addr}" dev "veth_${ns}"
ip route add "${ipv6_passt}" dev "veth_${ns}"
passt_ll="$(ipv6_ll_addr "veth_${ns}")"
main_ll="$(get_token "link/ether" $(ip -o li sh "veth_${ns}"))"
ip neigh add "${passt_ll%%/*}" dev "veth_${ns}" lladdr "${main_ll}"
ip -n "${ns}" route add default via "${passt_ll%%/*}" dev "veth_${ns}"
sysctl -w net.ipv6.conf.all.forwarding=1
else
ipv6_passt=
fi
ethtool -K "veth_${ns}" tx off
ip netns exec "${ns}" ethtool -K "veth_${ns}" tx off