Data from LLDP could be added
Connected Switch port
switch ip
port
vlan
$lldp=(tcpdump -i en0 ether proto 0x88cc -v -c 1 2>&1)
$systemName=($lldp | grep "System Name" | awk -F: '{print $2}') -replace " ",""
$systemIP=($lldp | grep "Management Address" | grep -E '[[:digit:]]{1,3}.[[:digit:]]{1,3}.[[:digit:]]{1,3}.[[:digit:]]{1,3}' | awk -F: '{print $2}') -replace " ",""
$PVID=($lldp | grep "PVID" | awk -F: '{print $2}') -replace " ",""