WebI figured out the best way for me to get the information I want is to do a diagnose sniffer packet portX 'ether proto 0x88cc" 6 2 and check for incoming LLDP TLVs. Question: … WebJun 25, 2024 · interface=eth0 ; tcpdump -i ${interface} -v -s 1500 -c 1 '(ether[12:2]=0x88cc or ether[20:2]' If you need more info about CDP or LLDP have a look on the links bellow. CDP stands for Cisco Discovery …
Linux: Using Tcpdump to Capture LLDP Info : FATMIN
WebJul 14, 2024 · tcpdump -ni eth0 -e ether proto 0x88cc [ 244.935449] Unsupported IOCTL call [ 244.954384] Unsupported IOCTL call [ 244.966121] device eth0 entered promiscuous mode if you receive any LLDP packets you don't have this problem. at the same time you can check the interrupts on netwok driver: WebFeb 23, 2024 · netadmin@ups-monitor:~$ tshark -V ether proto 0x88cc Capturing on 'eth0' Frame 1: 93 bytes on wire (744 bits), 93 bytes captured (744 bits) on interface 0 Interface id: 0 (eth0) Interface name: eth0 Encapsulation type: Ethernet (1) Arrival Time: Feb 22, 2024 14:12:01.997293541 GMT [Time shift for this packet: 0.000000000 seconds] Epoch Time ... did sandie shaw sing those were the days
[lldp]: The source MAC address of LLDP is not correct in SONiC ... - GitHub
Webmonitor traffic matching "(ether[12:2]=0x88cc)" • Either of the following expressions match on the PIM protocol: monitor traffic matching "ip[9]=103" or monitor traffic matching "ip proto 103". ... ether proto \arp there’s no need to calculate the Ethernet header o˛set. CP and UDP cp udp (port 53)) cp udp (port 162) y) ol (udp port 21) cp ... WebApr 9, 2024 · diag sniff pack any 'ether proto 0x88cc' 4 (Note that 0x88cc is the LLDP protocol number so you will see all LLDP traffic inbound and outbound.. you are looking … Webtcpdump -nn -v -i eth0 -s 1500 -c 1 'ether proto 0x88cc' Barring that, I would say that a modification of option 1 you provide might work, however, instead of sending out a broadcast ICMP, you can try a normal ICMP (to a host not in the ARP table) and capture the ARP packets. If ARP request is sent out eth0 and you receive it on eth1 and eth3 ... did sandra bullock and ryan reynolds date