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topotests: test new MSDP SA limit feature

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Test that only the limit amount of SAs is learned from the peer.

Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>
This commit is contained in:
Rafael Zalamena 2024-11-26 11:13:47 -03:00
parent a38ed18a4e
commit 0d904c28c3
1 changed files with 36 additions and 0 deletions
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36
tests/topotests/msdp_topo1/test_msdp_topo1.py
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@ -511,6 +511,42 @@ def test_msdp_sa_filter():
assert val is None, "multicast route convergence failure" assert val is None, "multicast route convergence failure"
def test_msdp_sa_limit():
"Test MSDP SA limiting."
tgen = get_topogen()
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
tgen.gears["r4"].vtysh_cmd(
"""
configure terminal
router pim
msdp log sa-events
msdp peer 192.168.2.1 sa-limit 4
msdp peer 192.168.3.1 sa-limit 4
"""
)
# Flow from r1 -> r4
for multicast_address in [
"229.1.2.10",
"229.1.2.11",
"229.1.2.12",
"229.1.2.13",
"229.1.2.14",
]:
app_helper.run("h1", [multicast_address, "h1-eth0"])
app_helper.run("h2", ["--send=0.7", multicast_address, "h2-eth0"])
def test_sa_limit_log():
r4_log = tgen.gears["r4"].net.getLog("log", "pimd")
return re.search(r"MSDP peer .+ reject SA (.+, .+): SA limit \d+ of 4", r4_log)
_, val = topotest.run_and_expect(test_sa_limit_log, None, count=30, wait=1)
assert val is None, "SA limit check failed"
def test_msdp_log_events(): def test_msdp_log_events():
"Test that the enabled logs are working as expected." "Test that the enabled logs are working as expected."