[202412] Fix setup_interfaces fixture and related bgp tests for v6 topo#941
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r12f merged 1 commit intoAzure:202412from Jan 23, 2026
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Fix the following bgp tests: test_bgp_update_timer.py test_bgp_peer_shutdown.py test_traffic_shift.py test_bgp_allow_list.py In general: Skip IPv4 checks for v6 topos Fix DUT/PTF commands for IPv6 Fix len range error for for IPv6 IPNetwork in generate_ips by using .size Fix scapy parser for IPv6 BGP packets For IPv6 router ID of PTF neighbors, use 20.0.0.0 as base and combine it with last 3 bytes of IPv6 addr Signed-off-by: markxiao <markxiao@arista.com>
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Description of PR
Summary:
Fix setup_interfaces fixture and related bgp tests for v6 topo:
test_bgp_update_timer.py
test_bgp_peer_shutdown.py
test_traffic_shift.py
test_bgp_allow_list.py
In general:
Skip IPv4 checks for v6 topos
Fix DUT/PTF commands for IPv6
Fix len range error for for IPv6 IPNetwork in generate_ips by using .size
Fix scapy parser for IPv6 BGP packets
For IPv6 router ID of PTF neighbors, use 20.0.0.0 as base and combine it with last 3 bytes of IPv6 addr
Manual Cherry pick of sonic-net/sonic-mgmt#21577
Type of change
Back port request
Approach
What is the motivation for this PR?
Fix setup_interfaces fixture and related bgp tests for v6 topo
How did you do it?
See summary
How did you verify/test it?
Run the tests on t0/t1-isolated-v6-* topos
Any platform specific information?
Supported testbed topology if it's a new test case?
Documentation