I have 1900 devices not getting discovered. Only one got discovered after I added it as a seed device but it does not show the cdp neighbours in topology map.
They have CAT OS and is there any issue with catOS devices :
Cisco Catalyst 1900/2820 Enterprise Edition Software
Copyright (c) Cisco Systems, Inc. 1993-1999
na100110 uptime is 101day(s) 07hour(s) 18minute(s) 32second(s)
cisco Catalyst 1900 (486sxl) processor with 2048K/1024K bytes of memory
Hardware board revision is 5
Upgrade Status: No upgrade currently in progress.
Config File Status: No configuration upload/download is in progress
15 Fixed Ethernet/IEEE 802.3 interface(s)
Base Ethernet Address: 00-02-B9-4E-20-00
I have snmp configured as well.
Please advise.(LMS 3.1)