Switching

Hi,   I'm experiencing problem with different types of hardware not getting the ACS ACL downloaded from ISE.I don't know when it happened, possible that it appeared during some latest IOS upgrades, but not sure.- The problem seems to appear on machin...

I have an SG500 with boot code 1.3.0.03 and firmware 1.3.7.18. I am trying to upgrade the boot code but the tftp error says tftp server aborted file not found. I have tried to do boot code 1.3.0.62, 1.3.5.58, 1.3.7.18 all fail. I have tried reimaging...

Hi I want to upgrade the Cisco 9500 from 16.6.3 to 16.8.1 and after entering the command ( install activate file flash:16.8.1 it's showing Field to activate, packages.conf.02-  is the rollback file

Hello All, I have this scenario ; I have one DNA-C with appliance.1-Is it possible take a backup (I guess yes via SFTP)2-In case my appliance is broken and bring the new one is it possible to restore from the backup to that new appliance Did anybody ...

Hi Team, Currently my 6509 running on STP since i want to add more vlans in 6509, what would be best STP method configure my SWITCH ? Is it MSTP, PVST or RSTP ? What are the configuration changes to do done in two core switches ? What are the changes...

Hi all,I try to use ie4000 switch as a TSN grandmaster, it seems to work (my other equipments are slave and detect the switch as a Grandmaster). The problem is the clock send to the slave haven't the right time. I added a NTP source which is synchron...

I noticed that, on a 3850 switch, that a "sh line" shows I have an AUX port on the system.  However, physically I don't actually see it, only the console port.  Does it actually exist, or is it a repurposing of the "con" port? I ask, as It would be h...

  It's been a while since I had to do this and I have obviously forgotten most of it but I am having trouble understanding the below output -      DCP-6509A-DC1-CO#sh powersystem power redundancy mode = redundantsystem power total = 3795.12 Watts (90...

Hello everyone, I have a network of two hosts, connecting to a Catalyst 3650 switch, which connect to outside network.The two hosts can ping each other, have known IP address (172.16.11.x) and same subnet. However I am not able to ping the host from ...

In audit observation find Vulnerability issue and need to resolve this.Switch Model : WS-C3750V2-24TSSwitch Version : c3750-ipservicesk9-mz.150-2.SE11.binVulnerability : Nessus Plugin ID:71049   (Disable MD5 and 96-bit MAC algorithms)https://www.tena...

hello cisco what is best configuration of spanning tree on the following types of ports?1 - access ports- dedicated/isloated VLAN  for iscsi traffic - should i disable ?2 - trunk port - connected to other switches - should i disable ? thanks, 

I am trying to reset the Cisco Switch 3850 to factory settings due to not knowing the password for the switch. Last system administrator of my organization did not record any credentials and when i joined I didn't have enough time to ask him for the ...

Protective Boot on Certain Network Cables Might Push the Mode Button and Cause an Unexpected Resethttp://www.cisco.com/en/US/ts/fn/636/fn63697.html

Hi guys, Im really struggling to get this working.I just want remote SSH to my 3850 switch via its management interface yet I cant get it to use damn local authentication no matter what.The Cisco DOC's appear wrong as the commands just dont work. I h...