Get VMware ESXi vmnic LLDP info (get_vmhost_lldp_info.sh)

get_vmhost_lldp_info.sh

# VMware ESXi shell script
# Get LLDP info for vmnics (use the get_vmhost_lldp_info_raw function if output is not complete)

vmnics="vmnic4 vmnic5"
get_vmhost_lldp_info(){
for vmnic in $vmnics; do
    printf "$vmnic [=]----[=] "
    pktcap-uw --uplink $vmnic --ethtype 0x88cc -c 1 -o /tmp/vmnic_lldp.pcap > /dev/null
    hexdump -C /tmp/vmnic_lldp.pcap | awk -F'|' '{printf $2}' |
        sed -E 's|.+\.([etgETG][teiTEI][a-zA-Z]+ ?-?([0-9]+/)+[0-9]+)(.\.+.{1,2}\.+)+([a-zA-Z][a-zA-Z0-9]+)\..*|\1 (\4)\n|'
done;}
clear; printf "Listening for LLDP ...\n\n"; get_vmhost_lldp_info; echo

get_vmhost_lldp_info_raw.sh

# VMware ESXi shell script
# Get LLDP info for vmnics (raw output)

vmnics="vmnic4 vmnic5"
get_vmhost_lldp_info_raw(){
for vmnic in $vmnics; do
    printf "$vmnic:\n"
    pktcap-uw --uplink $vmnic --ethtype 0x88cc -c 1 -o /tmp/vmnic_lldp.pcap > /dev/null
    hexdump -C /tmp/vmnic_lldp.pcap | awk -F'|' '{print $2}'
done;}
clear; printf "Listening for LLDP ...\n\n"; get_vmhost_lldp_info_raw; echo