I have a 2960 running IOS12.2(46)I'm having a problem with MAC Notification traps. I have all ports configured to send MAC notification traps. When I connect my HP Laptop I get a trap with the cmnHistMacChangedMsg in the following format :<action><...
Hi,We have a customer with several Catalyst 3750s running IOS 12.2. They would like to enable MAC Notification Traps. Once enabled, we can see the MAC Notification traps being sent to our snmp host. The packet for the trap contains the MAC addres...
hmm.. you said before that your decode of the packet yielded a final octet of EF for the MAC address. That's what were seeing along with the extra 2 bytes after the MAC. What changed about this decode? Sorry about my inexperience with decoding tc...
Here is the output of the command you sent me :You are correct about the MAC address.. I hadn't noticed that before either.. The last octet of the MAC address should be 93 and we decode it as EF as well. Interesting.
Ok.. I re-did the tcp dump and this is as verbose as I could make it.. I think this particular trap is from the remove, but it's suffering from the same problem.10:11:38.595151 IP (tos 0x0, ttl 254, id 188, offset 0, flags [none], proto: UDP (17), l...
Disecting the mac notification message you get the following :My laptop :| action | 2byte Vlan | 6Byte MAC | 2Byte Port | N/A |--------------------------------------------------------------------------- 1 0.2 0.26.75.1...
