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Welcome to the Cisco Community Ask Me Anything conversation. Submit your questions from Monday, February 2, 2026, through Friday, February 20, 2026. Our colleagues Amruta Navadagi, Anaya Kalawat, and Mohammad Mehtabuddin will be waiting to assist you...

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amnavada by Cisco Employee
  • 1624 Views
  • 29 replies
  • 1 Helpful votes

     I am designing a new network(LAN network) in an area and i want to connect different buildings . My main node (Switch L3) isat the center of the area. For decrease the cost i tried not to put any fiber optics soi designed the LAN with CAT 6 (und...

Hello,I recently had a situation whereby someone plugged 2 patch cables from the same stack into the 2 ports of a 7911 phone, thus bringing down the stack.Ports affected were Fa0/11 anf Fa0/13. Both went error dsiabled (as expected), but when one of ...

Hello guys,Can you please answer me a simple question?Imagine a host A, host B with an IP addresses A and B. Host B is not sending any packets (except replying to ping/ARP). There is one switch as well they are both connected to.Host A pings host B.S...

Todd Bren by Level 1
  • 1697 Views
  • 5 replies
  • 0 Helpful votes

Hi Hatim,I have a question about QoS on the Catalyst 3560 switch.  When the priority queue is in "shaped mode", is the assigned bandwidth limited to the configured amount or can the priority queue consume more than it's allocated bandwidth.For exampl...

IHCowan by Level 1
  • 1056 Views
  • 3 replies
  • 0 Helpful votes

Hi all.Referring to the following dochttp://www.cisco.com/en/US/tech/tk365/technologies_white_paper09186a0080094cb7.shtml#splithorizon Startup ModeWhen two routers first become neighbors, they exchange topology tables       during startup mode. For e...

Jonn cos by Level 9
  • 3863 Views
  • 4 replies
  • 0 Helpful votes

I have not seen this before and was wondering what it means. When I run the commandshow etherchannel 52 sumI see a Po52 and a Po52BWhat does the B means?This is happening on another one as well except it says A and not B6509-VSS#show etherchannel 52 ...

burleyman by Level 11
  • 1287 Views
  • 5 replies
  • 0 Helpful votes

Hi there. I have a really basic question, so please be gentle. We have hundreds of 3750G switches deployed on our campus. Is there an easy way to determine ACTUAL PoE usage? We know that the switch supports 370w, which is ~26 phones (currently using ...

Hello,I have installed a Cisco ASA 5505 at a client site in order to set up a site-to-site vpn. Everything works fine except every so often, maybe once a week, I get a call from them to say that the Internet is not working. The Internet is adsl and i...

stevemrice1 by Community Member
  • 847 Views
  • 1 replies
  • 0 Helpful votes

Im trying to upgrade the ios to c3750me-i5k91-mz.122-54.SE.bin. Using tftp it just timesout straightaway. I have removed the existing IOS so there is enough space in flash.

waveworks by Community Member
  • 2536 Views
  • 7 replies
  • 0 Helpful votes

Hello,I'm trying to install a 60-demo license on a 3750-E switch. I follow the steps that appears on the page of the download but when I try to install it ont the switch I have an error message that say XML phrase error. I download two times de licen...

oscar-garcia by Community Member
  • 1637 Views
  • 4 replies
  • 0 Helpful votes

Hi guys,i've been through a discussion with my collegue here regarding a Cisco 2960G Switch for its configuration method. We're wondering if there's any diffrences in between configuring the switch with the web interface or Cisco Network Assistant ve...

Dear All,Can anyone tell me the explanation for my questions.1.What is the use of MST?2.Difference B/W MST and CST and RSTP?3.Other than Convergence, is there any advantage for RSTP over STP?4.Which protocol  i have to prefer if other end will be D-L...

Hello;Is statich L3 configuration (e.g. intervlan routing) supported on a stack of SFE/SGE switches? If so, L3 failover is provided when the stack rolls over from the master to the backup master?Also, I am wondering whether any support for VRRP (or e...