Switching

Hello, I'm just reading up about VSS.  I see 2 switches like the 4500/6500 can be connected to each other via a 10G VSS connection so the switches are seen as one and can help with spanning tree loop issue and allow for the creation of MEC's.  I've r...

Hi guys,I am doing practice questions to make sure what i have learnt is enough for my ccnp switch exam, and i may be wrong in this one.But from what i learnt in HSRP v1, that the the last 2 hexi decimal is the HSRP groupAnd in one of the questions i...

my router 1721 does't restart!!!! nothing at all in the console just some ??????? sometimes!!!! what does it mean? the console cable is working properly the pc and hyperterminal too the problem is in the router but i don't know what it is? thanks for...

right now i m facing a problem with my 1721 Router which is not accessible through console port , and to add more to it , we have forgotten the enable secret password for this router. It is preconfigured router. Please help me to resolve the problem...

Hi guys,I am doing practice questions to make sure what i have learnt is enough for my ccnp switch exam, and i may be wrong in this one.But from what i learnt on UDLD, that if you leave it on normal mode, and one of the fibre links breaks lets say, t...

Hello, I have a few 2960X switches I need to send to cisco for RMA'ing, and I am trying to remove flexstack modules out of these switches. I am not sure why these screws are on so tight. In the process I stripped most of them. The reason why I am att...

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...