One of the task of a good Network engineer is to update the Cisco IOS to avoid bugs and to have new features; but what is the correct procedure to upgrade a Cisco stack, for instance two 2960 switches in stack? There are two main methods to upgrade the IOS: TAR image The .tar file...
*Mar 1 00:01:51.495: %STACKMGR-4-STACK_LINK_CHANGE: Stack Port 2 Switch 2 has changed to state DOWN *Mar 1 00:01:51.867: %STACKMGR-5-MASTER_READY: Master Switch 2 is READY *Mar 1 00:01:51.872: %SYS-5-RESTART: System restarted -- Cisco IOS Software, C2960S Software (C...
After the switch reloads, the switch or the stack module might fail device authentication with either of these error messages: For stack module authentication failure: "%ILET-1-DEVICE_AUTHENTICATION_FAIL" - The FlexStack module inserted in this switch might not have been manufactured by Cisco or...
- Cisco Catalyst 3550 MAC-Auth / 802.1X We changed the way we perform NAS-Port to ifIndex translation with this release. If you use MAC-Auth (Cisco's MAB or 802.1X) and experience *any* regression, please let us know. - pfcmd exit status Some exit status of pfcmd changed regarding...
CISCOS Poe Switch Catalys t 8 16 24 48 port Dual Vlan Gigabit SFP Network Switch Stack c1300 c9200 9200l 3850 c9300 2960x c1000 Supplier's reply: Hi-Network.com thanks for your PO. Good Buyer. Thanks again. You are also a very good buyer. ...