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I ordered a L3 Catalyst 3550 switch from ebay, plugged it in and was greated with these errorsIOS Version 12.1(14)EA1A00:32:48: %ILPOWER-3-CONTROLLER_ERR: Controller error, Controller number 5: accessing failed00:32:51: ***Err: I2C_do_transaction fai...

sahr by Level 1
  • 709 Views
  • 3 replies
  • 0 Helpful votes

Hi All ,We have two Cisco 4503E core switches in our network and VSS is configured between them but it isn't work properly or something is wrong in the connection/configuration. internet and vpn are not stable for some users (there are a lot of packe...

Hi I am trying to create a simple design using the router on a stick model.  I have created a few vlans, configured the trunk port on the switch and everything seems to be working fine. I can ping all the devices etc etc. Now I would like to add a la...

lucad7846 by Level 1
  • 1497 Views
  • 11 replies
  • 0 Helpful votes

This summer, we replaced a pair of Catalyst 4500s with a pair of Nexus 5010s, dangling a FEX off each (N2K-C2248TP-1GE).  No cabling change -- just swapped electronics.Since then, the operational staff have been struggling to persuade our APC gear to...

Hello everyone,I've got an Cisco IE3000 Switch, which refuses to boot.The starting point was the following: The switch starts and is stuck in the primary bootloader, like in the following thred.IE3000 sw cannot load boot image - Cisco CommunityThe on...

rataglok by Level 1
  • 2060 Views
  • 9 replies
  • 0 Helpful votes

Dear experts,When config VSS between 2 switch 6500, Do i need 2 link physical port 10G between 2 switch or only 1 link and what is role of link like management,control, or keep alive, or send dataPlease help me!!

huynhnam by Level 1
  • 438 Views
  • 2 replies
  • 0 Helpful votes

A customer is insistent on only ordering a DNA-E bundle ( C9410R-96U-BNDL-E ) of a C9400 and adding a 2nd SUP as a spare, even though I point out that high availability is specific to DNA-A in the datasheet/ordering guide.   https://www.cisco.com/c/e...

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