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Bug
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Resolution: Obsolete
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Undefined
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None
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4.16
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None
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Moderate
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None
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CNF Network Sprint 255
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1
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False
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Description of problem:
Failed to reach workload over IPv6 address on SR-IOV network:
oc logs -n rds-sriov-wlkd rdscore-sriov-one-5f49556746-jhx82 lo UNKNOWN 127.0.0.1/8 ::1/128 gre0@NONE DOWN gretap0@NONE DOWN erspan0@NONE DOWN eth0@if70 UP 10.131.0.15/23 fd01:0:0:4::f/64 fe80::858:aff:fe83:f/64 net1.497@net1 UP 10.46.126.75/26 2620:52:0:2e7e::41/122 fe80::4427:66ff:fecd:fca/64 net1 UP fe80::4427:66ff:fecd:fca/64 + sleep 1 + nc -k -l 1111
oc logs -n rds-sriov-wlkd rdscore-sriov-two-7bd457d75f-tfb54 lo UNKNOWN 127.0.0.1/8 ::1/128 gre0@NONE DOWN gretap0@NONE DOWN erspan0@NONE DOWN eth0@if71 UP 10.131.0.16/23 fd01:0:0:4::10/64 fe80::858:aff:fe83:10/64 net1.497@net1 UP 10.46.126.77/26 2620:52:0:2e7e::42/122 fe80::fc25:41ff:fe47:b33c/64 net1 UP fe80::fc25:41ff:fe47:b33c/64 + sleep 1 + nc -k -l 1111
oc rsh -n rds-sriov-wlkd rdscore-sriov-one-5f49556746-jhx82 sh-5.2# echo "IPv4 from ${HOSTNAME}" | nc 10.46.126.77 1111 sh-5.2# echo "IPv6 from ${HOSTNAME}" | nc 2620:52:0:2e7e::42 1111 Ncat: No route to host. sh-5.2# ip r default via 10.131.0.1 dev eth0 10.46.126.64/26 dev net1.497 proto kernel scope link src 10.46.126.75 10.128.0.0/14 via 10.131.0.1 dev eth0 10.131.0.0/23 dev eth0 proto kernel scope link src 10.131.0.15 100.64.0.0/16 via 10.131.0.1 dev eth0 172.30.0.0/16 via 10.131.0.1 dev eth0 sh-5.2# ip -6 r 2620:52:0:2e7e::40/122 dev net1.497 proto kernel metric 256 pref medium fd01:0:0:4::/64 dev eth0 proto kernel metric 256 pref medium fd01::/48 via fd01:0:0:4::1 dev eth0 metric 1024 pref medium fd02::/112 via fd01:0:0:4::1 dev eth0 metric 1024 pref medium fd98::/64 via fd01:0:0:4::1 dev eth0 metric 1024 pref medium fe80::/64 dev eth0 proto kernel metric 256 pref medium fe80::/64 dev net1 proto kernel metric 256 pref medium fe80::/64 dev net1.497 proto kernel metric 256 pref medium default via fd01:0:0:4::1 dev eth0 metric 1024 pref medium sh-5.2#
Version-Release number of selected component (if applicable):
sriov-network-operator.v4.16.0-202405212036
How reproducible:
not always
Steps to Reproduce:
1. Deploy baremetal dualstack cluster 2. Install and configure SR-IOV operator 3. Create SR-IOV network and SR-IOV network node policy 4. Create workload that uses SR-IOV and configure both IPv4 and IPv6 addresses on the interface 5. Try to reach interface via IPv4 and IPv6 addresses configured on it
Actual results:
Workload reachable via IPv4 address but not over IPv6
Expected results:
Workload reachable via both IPv4 and IPv6 addresses
Additional info:
- duplicates
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- Closed
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