| #!/bin/bash |
| # Test that IPv4-over-IPv6 tunneling works. |
| |
| source lib.sh |
| set -e |
| |
| setup_prepare() { |
| ip link add transport1 type veth peer name transport2 |
| |
| setup_ns ns1 |
| ip link set transport1 netns $ns1 |
| ip -n $ns1 address add 2001:db8::1/64 dev transport1 nodad |
| ip -n $ns1 address add 2001:db8::3/64 dev transport1 nodad |
| ip -n $ns1 link set transport1 up |
| ip -n $ns1 link add link transport1 name tunnel4 type ip6tnl mode ipip6 local 2001:db8::1 remote 2001:db8::2 |
| ip -n $ns1 address add 172.0.0.1/32 peer 172.0.0.2/32 dev tunnel4 |
| ip -n $ns1 link set tunnel4 up |
| ip -n $ns1 link add link transport1 name tunnel6 type ip6tnl mode ip6ip6 local 2001:db8::3 remote 2001:db8::4 |
| ip -n $ns1 address add 2001:db8:6::1/64 dev tunnel6 |
| ip -n $ns1 link set tunnel6 up |
| |
| setup_ns ns2 |
| ip link set transport2 netns $ns2 |
| ip -n $ns2 address add 2001:db8::2/64 dev transport2 nodad |
| ip -n $ns2 address add 2001:db8::4/64 dev transport2 nodad |
| ip -n $ns2 link set transport2 up |
| ip -n $ns2 link add link transport2 name tunnel4 type ip6tnl mode ipip6 local 2001:db8::2 remote 2001:db8::1 |
| ip -n $ns2 address add 172.0.0.2/32 peer 172.0.0.1/32 dev tunnel4 |
| ip -n $ns2 link set tunnel4 up |
| ip -n $ns2 link add link transport2 name tunnel6 type ip6tnl mode ip6ip6 local 2001:db8::4 remote 2001:db8::3 |
| ip -n $ns2 address add 2001:db8:6::2/64 dev tunnel6 |
| ip -n $ns2 link set tunnel6 up |
| } |
| |
| cleanup() { |
| cleanup_all_ns |
| # in case the namespaces haven't been set up yet |
| ip link delete transport1 &>/dev/null || true |
| } |
| |
| trap cleanup EXIT |
| setup_prepare |
| ip netns exec $ns1 ping -q -W1 -c1 172.0.0.2 >/dev/null |
| ip netns exec $ns1 ping -q -W1 -c1 2001:db8:6::2 >/dev/null |
