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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
  • 1656 Views
  • 29 replies
  • 1 Helpful votes

Dear all experts,I have Asus router connecting to a switch and wants to provide wifi service to my clients.  My switch is 2950 model and the router is RT-AC66U.  I have set the router to AP mode and obtains static IP.  I use one of the LAN port in my...

pgm4 by Community Member
  • 3022 Views
  • 1 replies
  • 0 Helpful votes

So this is more of a sanity check.  Im trying to find a reason why the TPI is 16 bits in dot1q.  the only thing that I can come up with is that it has to be the same length as ethertype (because it takes its place inside the frame) so that the switch...

ndemers by Cisco Employee
  • 4553 Views
  • 2 replies
  • 0 Helpful votes

Seeing a lot of dropped packets on my Serial interface. This is a single point to point T1.The outgoing line is not being over utilized. I see the issue is with the buffer, as they equal the number of dropped packets. Is it possible to increase memor...

I am working on a system that has the following setup: ISP connection to router delivering a static /28 block of IP addressesConnection from this router goes to a switch on an internal 172.16.0.0/24 network. Routers connected as access ports to this ...

Resolved! WIC-4ESW issue

Hi  Please help me, I install a WIC-4ESW card in Cisco Router 1760 then I got the following error messages: *Mar  1 00:00:09.247: %ESWMOD-3-NOT_RESPONDING: Ethernet Switch Module is not responding*Mar  1 00:00:09.247: %ESWMOD-3-INITFAILURE: Initializ...

Ryan YC by Level 1
  • 1714 Views
  • 10 replies
  • 0 Helpful votes

Hi, I have a requirement to span some sources to the remote destination(recorder). Both sources and destination are in different subnets connected to different switches. Sources are connected to  "WS-C3750-48P       12.2(50)SE1           C3750-IPSERV...

Dear friends I am new in ciso and I have configured inter vlan routing on Cisco 3750 but it does not working. The pcs can ping their respective gate ways but could not ping one another and I can also ping SIV port from all pcs but could not ping the ...

I work in a building that has two separate entities, but both work together to accomplish the same goals. The IT admin before me set us up on separate VLANs through many cisco switches. One lady that works here does work for both entities. There are ...

I was trying to install a Meraki firewall and while the meraki agent tried to help me with the configuration, I accidentally deleted the  Management VLAN from one of the ports.I did "No Vlan 80" to the swicthport we were trying to  configure I got ki...

Has anyone used 2 cisco 3524-PWR-XL switches uplinked together to make 48 ports? Is it possible to uplink 2 fastethernet ports so the switches talk to each other. If it can be done does any know what the configuration should be I have used the follow...

dberthoud by Community Member
  • 547 Views
  • 2 replies
  • 0 Helpful votes

Hello ,Recently we have upgraded from a cisco 7200 envirounment to an ASR1002 having to migrate the configs as well.The command "ntp update-calendar" is not accepted in the config migration , any reason why ? doesnt the ASRhave an internal hardware c...

vvvnnnzzz by Visitor
  • 7469 Views
  • 5 replies
  • 0 Helpful votes

Hello,I'd like to drop all packets sourced from a specific MAC address, which are received on a specific sub-interface on my Cisco ASR 9000. So I have configured an ethernet-services access-list and applied it to the sub-interface as shown below. How...

firas0001 by Community Member
  • 305 Views
  • 0 replies
  • 0 Helpful votes

 What action does a device take when it receives a packet that is bigger than the maximum size of layer 2 technology it is using ? It fragment the packet then send fragments?it send notification, fragments then send fragments?it drops the packet?it s...

Resolved! ASR 9000 netflow

I have a asr 9000 router i want to view the taffic netflow in interfaces using Netflow Analyzer but cant see a lot of traffic evenif we apply command show we see the same result is  there a IOS bug ?

Ahmed Zniti by Community Member
  • 799 Views
  • 2 replies
  • 0 Helpful votes