Nov 18, 2015 · Solved: Hi, i have problem whith Cisco DHCP. On switch C6506 in "sh ip dhcp binding" table are the weird MAC address. What is the problem? The one MAC have more IP …

Mar 23, 2006 · The base MAC address of the switch (which incidentally is 00:11:21:EB:D3:C0) as confirmed by the label on the back and the switch startup screen was not the one being seen …

Jan 18, 2016 · Hi all, Appreciate your help on this. We recently had few issues with same MAC address learnt in 2 interfaces where port security is enabled. There are few things I would like …

Oct 24, 2013 · As you might now there is a maximum amout of MAC addresses that you can store in your mac-address table and also for tracking purposes you want to make sure you learn the …

Jan 10, 2007 · I just setup a 2611 running 12.2 IP Plus to obtain a DHCP lease from my 2620 running 12.3(10) (IP/FW/IDS PLUS IPSEC 3DES BASIC), and Im getting a rather unusually …

Jun 22, 2009 · In catalist switch mac address table aging time = 300 sec (by def, and we dont change it). But on practice, we observe that mac address stay more than 5 min in this table …

Aug 6, 2011 · If you want to verify the MAC aging time, first of all, you have to check for the output of the show spanning-tree command - the other output of show mac address-table may not …

Jul 24, 2011 · Solved:  I have to view how long specific mac address belong mac address table on switch since last update. How can I do it? thanks

Aug 12, 2024 · Since the ARP entry isn't immediately updated with the new device's MAC address, the switch continues to direct traffic to the old, now disconnected MAC address, …

May 5, 2025 · We have an issue since a long time upgrading the software of a Catalyst 9300 Switch. We are currently running 17.03.04 and wanted back then to 17.09.05 and right now to …