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[minigraph.py]: Don't create mux table entries for servers w/o loopbacks #6457

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Jan 17, 2021
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[minigraph.py]: Don't create mux table entries for servers w/o loopbacks #6457

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19 changes: 11 additions & 8 deletions src/sonic-config-engine/minigraph.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1506,14 +1506,17 @@ def get_mux_cable_entries(mux_cable_ports, neighbors, devices):
neighbor = neighbors[intf]['name']
entry['state'] = 'auto'

# Always force a /32 prefix for server IPv4 loopbacks
server_ipv4_lo_addr = devices[neighbor]['lo_addr'].split("/")[0]
server_ipv4_lo_prefix = ipaddress.ip_network(UNICODE_TYPE(server_ipv4_lo_addr))
entry['server_ipv4'] = str(server_ipv4_lo_prefix)

if 'lo_addr_v6' in devices[neighbor]:
entry['server_ipv6'] = devices[neighbor]['lo_addr_v6']
mux_cable_table[intf] = entry
if devices[neighbor]['lo_addr'] is not None:
# Always force a /32 prefix for server IPv4 loopbacks
server_ipv4_lo_addr = devices[neighbor]['lo_addr'].split("/")[0]
server_ipv4_lo_prefix = ipaddress.ip_network(UNICODE_TYPE(server_ipv4_lo_addr))
entry['server_ipv4'] = str(server_ipv4_lo_prefix)

if 'lo_addr_v6' in devices[neighbor]:
entry['server_ipv6'] = devices[neighbor]['lo_addr_v6']
mux_cable_table[intf] = entry
else:
print("Warning: no server IPv4 loopback found for {}, skipping mux cable table entry".format(neighbor))

return mux_cable_table

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