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passt: Introduce ICMP echo proxy

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It's nice to be able to confirm connectivity using ICMP or ICMPv6
echo requests, and "ping" sockets on Linux (IPPROTO_ICMP datagram)
allow us to do that without any special capability.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
Stefano Brivio 2021-03-17 10:57:44 +01:00
parent d32edee60a
commit 1d807fc720
7 changed files with 183 additions and 11 deletions

1
doc/demo.sh
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@ -74,6 +74,7 @@ sysctl -w net.ipv6.conf.all.forwarding=1
ethtool -K veth_passt tx off
ip netns exec passt ethtool -K veth_passt tx off
ip netns exec passt sysctl -w net.ipv4.ping_group_range="0 2147483647"
ulimit -n 300000