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Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...

Hi,   I have a Cisco Catalyst 3750X.   I tried to create sub interfaces but it is giving an error. I am assuming that these are not supported on this device. 1. Can someone confirm if they are supported? 2. Are there any switches that support sub int...

ejdrijin1 by Level 1
  • 950 Views
  • 3 replies
  • 0 Helpful votes

Hi there, i'm searching the Limit for ACE on different type of switches. After some research found following: Nexus 9300 Feature 9300 Series Verified Limit DHCP snooping bindings 2048 IPv4 ingress access control entries (ACEs)...

I obviously didn't do a good job reading.  Can someone remind me why there would be cases of 2 spanning-tree roots in a network like mine below?   It seems that vlan 20 has 2 different roots   VLAN20 Spanning tree enabled protocol rstp Root ID Priori...

Amafsha1 by Level 2
  • 1410 Views
  • 5 replies
  • 0 Helpful votes

Hello All,   Let me first start by saying that this is my first post, and after searching for hours, I could not find an answer. I am currently working on my CCNA in a home lab. I am using a 2611XM router. I have fa0/0 configured via dhcp and can pin...

Dear Team,   There is any cli command to check all the active user with mac details which is using wifi and also any command to delete those user mac address & details in one go.   So basically my concern is I have two wlc so I will check active user...

yogesh1 by Level 1
  • 394 Views
  • 1 replies
  • 0 Helpful votes

Hi all, I having a big issue with OSPF on a WS-C3750X-24T-L device. IOS version - 15.0(2)SE2 Randomly we lost OSPF routing. Here is the log after the issue.   Some ideas about it?   Thanks in advance.    

Hi Everyone, I had a network melt down last week where I have a stack of 5 3750G's running IOS version 12.2.55.SE10 connecting to another stack of 4 3750v2 running IOS version 15.0.2.SE via a trunk link and suddenly both stacks just crash stop forwar...

dtran by Level 6
  • 1163 Views
  • 8 replies
  • 0 Helpful votes

Hello   We have an new 6840-X which is stuck at the system bootstrap.   The console displays:   "System Initializing System bootstrap, Version 15.2(02)SY [Rel 1.0], RELEASE SOFTWARE Current image running: Transformer Boot Rom : Upgradable Region Last...

michael-d by Level 1
  • 2423 Views
  • 3 replies
  • 0 Helpful votes

Hello Expert,I am having file copy slowness issue in uni-direction.Scenario isSite ASystem A -IP address 10.3.6.165 Site BSystem B -IP address 10.3.210.150Site A and SiteB are connected through 10G dark fibre and static route is been used to inter co...

            We have network pology like below Data Center (Server name: superman) ------------------- MPLS ---------------- HQ (User) let us say that  name of server is "superman".  One user in HQ copied one big file (1GB) from //superman/financil t...

Hi Folks,I've configured config-sync on two Nexus 5Ks and have run into an issue.  There is a command (port-profile) that is failing a local verification check.  The guidance from Cisco documentation is that the command was made in either config term...

shanemoss by Level 1
  • 5619 Views
  • 3 replies
  • 0 Helpful votes