Hi,
Since update 7.1 (i think), links have disappeared from the topology map. After update 7.3 i've been playing around with LLDP and CDP discovery of topology links. Our initial deployment of iMC, the topology worked perfect.
In our enviroment, we use HPE 29xx series as access, cisco 3560 as distribution and 4506 as core. Besides that we use several hundreds Nexans switches. Nexans swtiches won't talk CDP to each other, but only to directly connected CDP enabled devices - in our case thats the 3560 switches.
Between our Cisco and HPE devices, when CDP is enabled - links are displayed properly. When LLDP is enabled and CDP is not, all the links on the topology is gone.
We have followed the troubleshooting guide fra HPE, regarding L2 topology discovery, only to verify the LLDP is enabled and that the information is present in iMC. LLDP is working properly on every device.
Are there anybody who has the same problem, or a solution??
Thank in advance,
Michael
#Discovery#CDP#Topology#links#imc#LLDP