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Choose ARP scale based on available NH entries for CISCO 8000 platforms #15842

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Choose ARP scale based on available NH entries for CISCO 8000 platforms #15842

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96b46f5
Choose number of ARP packets injected based on available Neighbor ent…
sridhartalari Dec 3, 2024
39bc111
Choose number of ARP packets injected based on available Neighbor ent…
sridhartalari Dec 3, 2024
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11 changes: 10 additions & 1 deletion tests/arp/test_stress_arp.py
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Original file line number Diff line number Diff line change
Expand Up @@ -104,6 +104,12 @@ def test_ipv4_arp(duthost, garp_enabled, ip_and_intf_info, intfs_for_test,
pytest_assert(ipv4_available > 0 and fdb_available > 0, "Entries have been filled")

arp_available = min(min(ipv4_available, fdb_available), ENTRIES_NUMBERS)
# Neighbor support is dependant on NH scale for some cisco platforms.
# Limit ARP scale based on available NH entries
asic_type = duthost.facts["asic_type"]
if 'cisco-8000' in asic_type:
ipv4_nh_available = get_crm_resources(duthost, "ipv4_nexthop", "available")
arp_available = min(arp_available, ipv4_nh_available)

pytest_require(garp_enabled, 'Gratuitous ARP not enabled for this device')
ptf_intf_ipv4_hosts = genrate_ipv4_ip()
Expand Down Expand Up @@ -195,7 +201,10 @@ def test_ipv6_nd(duthost, ptfhost, config_facts, tbinfo, ip_and_intf_info,
pytest_assert(ipv6_available > 0 and fdb_available > 0, "Entries have been filled")

nd_available = min(min(ipv6_available, fdb_available), ENTRIES_NUMBERS)

asic_type = duthost.facts["asic_type"]
if 'cisco-8000' in asic_type:
ipv6_nh_available = get_crm_resources(duthost, "ipv6_nexthop", "available")
nd_available = min(nd_available, ipv6_nh_available)
while loop_times > 0:
loop_times -= 1
try:
Expand Down
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