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hello all.I'm facing a problem, and i've also tried to workaround but not sucessfully. I've got a polycom phone on the swich. When I connect a laptop on that port, the mac address is learned by the switch and keep the mac address even if I disconnect...

Hello, I've been struggling to find a way to implement 802.1x  Radius authentication on a switch environment where all switches already use Radius as AAA for CLI administrative access. But obviously, I dont want the 802.1X users to have CLI access to...

What are the spanning-tree default port costs as derived from the interface speeds beyond 10Gb - specifically when port-channeled?  I only found the table up to speeds of 10Gb in the documentation at http://www.cisco.com/c/en/us/td/docs/switches/data...

Isaiah by Level 1
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  • 5 replies
  • 0 Helpful votes

Hi,I have a chasis Catalyst 4507  (WS-C4507R-E with running software version cat4500e-entservicesk9-mz.151-2.SG6.bin  and two WS-X45-SUP6-E. Can the same supervisor always be started as active? For example, Slot3B_P5_4507_SR#sh module Chassis Type : ...

Hi We have DHCP configured on Cisco Switches across company over 140 sites. DHCP is configured on local switch. Lease time configured is 8 hours. PCs login on the Windows 2012 R2 domain controller with DNS. Issue is that machine names are not updated...

kesccco01 by Level 1
  • 287 Views
  • 1 replies
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Hello Everyone, I am having some servers need to be on live IP's. My ISP gave me one subnet of /28 for my servers. My connectivity is P2P and is on a different subnet. As of now, my public interface is also doing NAT for my office users to access th...

Hello, I have a Problem with my CISCO WLC Controller 2504, I had deleted Flash storage and with it Primary and Backup Images and the WLC Controller doesnt boot up...I had to Manually Upload a new IOS Image. I have a IOS Image for It but I dont know ...

We are trying to upgrade bulk of 3850 Switches from 3.6 to 16.1 using SmartInstall.  It detects the vstack correctly. But the file transfer fails after sometime due to timeout error. The file transfer in vstack is only through tftp and it takes very ...

S891 by Level 2
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  • 1 replies
  • 0 Helpful votes

Hello, Kind of a basic question but, I have bpdu guard enabled on all of my access ports connecting to hosts, I was wondering what bpdu "filter" should I be using on trunk ports connecting to other switches and the router.  

sgalarza by Level 1
  • 464 Views
  • 9 replies
  • 0 Helpful votes