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Update s_switchport_mapping.py #62

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393b9b2
Update s_switchport_mapping.py
onkings-mfl Sep 18, 2025
e964585
Merge branch 'securecrt-9.x' into master
onkings-mfl Sep 18, 2025
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11 changes: 3 additions & 8 deletions s_switchport_mapping.py
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Original file line number Diff line number Diff line change
Expand Up @@ -292,24 +292,22 @@ def get_arp_info(script):

:return: A dictionary that can be used to lookup both the MAC and IP associated with an interface, or the IP and
VLAN associated with a MAC address.

:rtype: dict
"""

arp_filename = script.file_open_dialog("Please select the ARP file to use when looking up MAC addresses.", "Open",
"CSV Files (*.csv)|*.csv||")
"", "CSV Files (*.csv)|*.csv|All Files (*.*)|*.*||")
if arp_filename == "":
return {}

with open(arp_filename, 'r') as arp_file:
arp_csv = csv.reader(arp_file)
arp_list = [x for x in arp_csv]

arp_lookup = {}
# Process all ARP entries AFTER the header row.
for entry in arp_list[1:]:
# Get the IP address
ip = entry[0]
# Get the MAC address. If 'Incomplete', skip entry
# Get the MAC address. If 'Incomplete', skip entry
mac = entry[2]
if mac.lower() == 'incomplete':
continue
Expand All @@ -319,14 +317,11 @@ def get_arp_info(script):
vlan = intf[4:]
else:
vlan = None

if intf in list(arp_lookup.keys()):
arp_lookup[intf].append((mac, ip))
else:
arp_lookup[intf] = [(mac, ip)]

arp_lookup[(mac, vlan)] = ip

return arp_lookup


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