* Fw: [Bug 212749] New: ping over geneve over ipv6 would fail
@ 2021-04-22 15:43 Stephen Hemminger
0 siblings, 0 replies; only message in thread
From: Stephen Hemminger @ 2021-04-22 15:43 UTC (permalink / raw)
To: netdev
Begin forwarded message:
Date: Thu, 22 Apr 2021 09:42:25 +0000
From: bugzilla-daemon@bugzilla.kernel.org
To: stephen@networkplumber.org
Subject: [Bug 212749] New: ping over geneve over ipv6 would fail
https://bugzilla.kernel.org/show_bug.cgi?id=212749
Bug ID: 212749
Summary: ping over geneve over ipv6 would fail
Product: Networking
Version: 2.5
Kernel Version: 5.12.0-rc7
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Other
Assignee: stephen@networkplumber.org
Reporter: jishi@redhat.com
Regression: No
ping over geneve over ipv6 would fail on 5.10.0-rc7 after commit
Kernel repo: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Commit: 88a5af943985 - Merge tag 'net-5.12-rc8' of
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
reproducer:
ip netns add client
ip netns add server
ip link add veth0_c type veth peer name veth0_s
ip link set veth0_c netns client
ip link set veth0_s netns server
ip netns exec client ip link set lo up
ip netns exec client ip link set veth0_c up
ip netns exec server ip link set lo up
ip netns exec server ip link set veth0_s up
ip netns exec client ip addr add 2000::1/64 dev veth0_c
ip netns exec client ip addr add 10.10.0.1/24 dev veth0_c
ip netns exec server ip addr add 2000::2/64 dev veth0_s
ip netns exec server ip addr add 10.10.0.2/24 dev veth0_s
ip netns exec client ping 10.10.0.2 -c 2
ip netns exec client ping6 2000::2 -c 2
ip netns exec client ip link add geneve1 type geneve vni 1234 remote 2000::2
ttl 64
ip netns exec server ip link add geneve1 type geneve vni 1234 remote 2000::1
ttl 64
ip netns exec client ip link set geneve1 up
ip netns exec client ip addr add 1.1.1.1/24 dev geneve1
ip netns exec server ip link set geneve1 up
ip netns exec server ip addr add 1.1.1.2/24 dev geneve1
ip netns exec client ping 1.1.1.2 -c 3
actual result:
+ ip netns exec client ping 1.1.1.2 -c 3
PING 1.1.1.2 (1.1.1.2) 56(84) bytes of data.
From 1.1.1.1 icmp_seq=1 Destination Host Unreachable
From 1.1.1.1 icmp_seq=2 Destination Host Unreachable
From 1.1.1.1 icmp_seq=3 Destination Host Unreachable
--- 1.1.1.2 ping statistics ---
3 packets transmitted, 0 received, +3 errors, 100% packet loss, time 2072ms
expected result:
ping should pass
BTW, ping over geneve over ipv4 would pass
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2021-04-22 15:43 Fw: [Bug 212749] New: ping over geneve over ipv6 would fail Stephen Hemminger
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