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tests: Change join/MC stream start order for pim_igmp_vrf topotest

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Also add a little delay between joining and stream start. This way, we can
reliably reproduce #18445.

Signed-off-by: Martin Buck <mb-tmp-tvguho.pbz@gromit.dyndns.org>
This commit is contained in:
Martin Buck 2025-03-28 15:53:38 +01:00
parent ea3bced3be
commit 1577506388
1 changed files with 10 additions and 9 deletions
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19
tests/topotests/pim_igmp_vrf/test_pim_vrf.py
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@ -46,29 +46,29 @@ test_pim_vrf.py: Test PIM with VRFs, both IPv4 and IPv6.
# Adding PIM (IPv6) RP in VRF information and verify pim6reg
# interfaces in VRF blue and red
# - test_mcast_vrf_blue()
# Start multicast stream for group 239.100.0.1 from Host
# H2 and join from Host H1 on vrf blue
# Join MC group 239.100.0.1 from Host H1 on vrf blue
# Start MC stream from Host H2
# Verify PIM JOIN status on R1 and R11
# Stop multicast after verification
# Check (interface statistics) whether PIM Register messages were
# generated towards RP and answered by Register-Stop
# - test_mcast_vrf_red()
# Start multicast stream for group 239.100.0.1 from Host
# H4 and join from Host H3 on vrf blue
# Join MC group 239.100.0.1 from Host H4 on vrf red
# Start MC stream from Host H4
# Verify PIM JOIN status on R1 and R12
# Stop multicast after verification
# Check (interface statistics) whether PIM Register messages were
# generated towards RP and answered by Register-Stop
# - test_ipv6_mcast_vrf_blue()
# Start multicast stream for group ff18:100::1 from Host
# H2 and join from Host H1 on vrf blue
# Join MC group ff18:100::1 from Host H1 on vrf blue
# Start MC stream from Host H2
# Verify PIM JOIN status on R1 and R11
# Stop multicast after verification
# Check (interface statistics) whether PIM Register messages were
# generated towards RP and answered by Register-Stop
# - test_ipv6_mcast_vrf_red()
# Start multicast stream for group ff18:100::1 from Host
# H4 and join from Host H3 on vrf blue
# Join MC group ff18:100::1 from Host H4 on vrf red
# Start MC stream from Host H4
# Verify PIM JOIN status on R1 and R12
# Stop multicast after verification
# Check (interface statistics) whether PIM Register messages were
@ -456,8 +456,9 @@ def check_mcast46_entry(
)
with McastTesterHelper(tgen) as helper:
helper.run(sender, ["--send=0.7", mcastaddr, str(sender) + "-eth0"])
helper.run(receiver, [mcastaddr, str(receiver) + "-eth0"])
topotest.sleep(1)
helper.run(sender, ["--send=0.7", mcastaddr, str(sender) + "-eth0"])
logger.info("mcast join and source for {} started".format(mcastaddr))