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[76.14.218.44]) by smtp.gmail.com with ESMTPSA id h6sm2547548pfb.157.2021.04.22.08.43.47 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Apr 2021 08:43:47 -0700 (PDT) Date: Thu, 22 Apr 2021 08:43:31 -0700 From: Stephen Hemminger To: netdev@vger.kernel.org Subject: Fw: [Bug 212749] New: ping over geneve over ipv6 would fail Message-ID: <20210422084331.432a4a24@hermes.local> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org 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=3D212749 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=20 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 = =20 ip netns add server = =20 ip link add veth0_c type veth peer name veth0_s = =20 ip link set veth0_c netns client = =20 ip link set veth0_s netns server = =20 ip netns exec client ip link set lo up = =20 ip netns exec client ip link set veth0_c up = =20 ip netns exec server ip link set lo up = =20 ip netns exec server ip link set veth0_s up = =20 ip netns exec client ip addr add 2000::1/64 dev veth0_c = =20 ip netns exec client ip addr add 10.10.0.1/24 dev veth0_c = =20 ip netns exec server ip addr add 2000::2/64 dev veth0_s = =20 ip netns exec server ip addr add 10.10.0.2/24 dev veth0_s = =20 ip netns exec client ping 10.10.0.2 -c 2 = =20 ip netns exec client ping6 2000::2 -c 2 = =20 ip netns exec client ip link add geneve1 type geneve vni 1234 remote 2000::2 ttl 64 =20 ip netns exec server ip link add geneve1 type geneve vni 1234 remote 2000::1 ttl 64 =20 ip netns exec client ip link set geneve1 up = =20 ip netns exec client ip addr add 1.1.1.1/24 dev geneve1 = =20 ip netns exec server ip link set geneve1 up = =20 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 = =20 PING 1.1.1.2 (1.1.1.2) 56(84) bytes of data. = =20 =46rom 1.1.1.1 icmp_seq=3D1 Destination Host Unreachable = =20 =46rom 1.1.1.1 icmp_seq=3D2 Destination Host Unreachable = =20 =46rom 1.1.1.1 icmp_seq=3D3 Destination Host Unreachable = =20 --- 1.1.1.2 ping statistics --- = =20 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 --=20 You may reply to this email to add a comment. 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