Switching

I have a Windows Server 2016 DHCP setup on my first switch.  The DHCP server has LAG setup on 2 ports with LACP enabled.  The devices(pcs,laptops,printers) on the first switch all are able to get DHCP addresses from the server and are pingable.  My 2...

Hi All, Is there any need to run BFD when using dark fibre between two L3 switches? I have customer that wants to set this up but I would have the thought that the inherent capabilities of the switch to quickly detect a link failure, notify the IGP (...

Hi   I'm creating a network design, I need to confirm wich SFP i can use to interconnect  a SG350-28SFP with MGBLH1 transceivers to a switch Catalyst 3850-XS.    The objective to fulfill is that the fiber link betwen both switches supports up to 40km...

So in packet tracer, I have a PC 192.168.1.6 on a network 192.168.1.0 and I'm trying to allow my PC all access to network 192.168.2.0I did the commandaccess-list 100 permit ip host 192.168.1.6 192.168.2.0 0.0.0.255int g0/1ip access-group 100 in(int g...

Can the bootflash memory on a 3172PQ be increased? Our company has the model that has 2 gig bootflash. We are patching from 7.0 to 9.3 and t here is not enough space to store the 9.3 IOS for the upgrade.  I am familiar with# copy scp :source image na...

Hello,after some time of inactivity today I turned on my cisco 3750 24-TS and it has some problems.do you think it is an hardware problem ?any hints ?log follows POST: PortASIC RingLoopback Tests : BeginPOST: PortASIC RingLoopback Tests : End, Status...

As you all know, the ports in the 3550s comes with DTP enabled. I have gone through the messages posted in this group in last Nov. 23rd. The recommended solution to configure the port to "switchport nonegotiate" didn't work. I do get the message "Com...

Dear Sir, Kindly send me How to change the password for my Cisco Devices:Enable Secret & Telnet.Thank You.

Hi there,Thanks for reading!I'm having trouble finding shelf kits for our last 9410 inventory.  I've found several unrelated 4510 kits.  Can I use a 4510 kit to rack mount a 9410? Thanks again!Bob 

I am a very frustrated first time customer. This is my first time using Cisco equipment,and I didn't expect the technical phone support to be non-existent. In my twentyyears of buying from various manufacturers and dealing with their technical suppor...

Hello, I get a high memory error from Nexus switch as below: Nexus# show system resourcesLoad average: 1 minute: 0.15 5 minutes: 0.23 15 minutes: 0.20Processes : 506 total, 1 runningCPU states : 0.50% user, 2.03% kernel, 97.45% idleCPU0 states : 1.07...

C9200-48p model from 16.12.2 version to the recommended version, 16.12.3a version, after upgrading,NM-4X module is not recognized.If you check on the equipment, there is no NM-4X inventory information in show inventory information, even if you check ...