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Cisco Community is an active and collaborative place to learn more about our products and ask questions of peers and Cisco experts! Check out some of the most popular conversations happening right now!

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IPPBX CISCO ip-Phone

I have 2 office locations. In main office I have dgm pbx server for cisco ip-phones and network range is 192.168.1.0/24. In my branch office I have network 172.16.1.0/16. I have ip-hones there. I have DMVPN tunnels between cisco router for reachibilt...

IE-3300-8P2S POE ports stopped working.

The cameras connected to the ports were working fine, but suddenly they stopped working. I tried upgrading the firmware, but it didn’t help. Please assist.

lathesh by • Level 1
  • 104 Views
  • 9 replies
  • 0 Helpful votes

How are DSCP values set?

Hello,It's possible to identify QoS traffic based on DSCP values. For example, for the EF class, by using the command "match ip dscp ef". But, how is the correct DSCP value set for specific traffic?I know that with some applications, the user can hav...

a1111 by • Level 1
  • 191 Views
  • 4 replies
  • 0 Helpful votes

what is the real trigger for spanning tree take effect?

greetings guys,sorry for raising this kind of old-school question.It seems it is usually said that whenever there is a physic loop, a spanning tree (whether 802.1d or 802.1w or whatever, as long as they are not disabled) will take effect and block so...

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seanxiao by • Level 1
  • 227 Views
  • 7 replies
  • 0 Helpful votes

Pinging of VLANS (Core and Access Switch)

Have you ever experienced VLAN issues? I'm facing an issue where my laptop should be able to ping all VLANs, but it can only ping the VLAN it's assigned to.Here's what I encountered:1. I enabled IP routing on the C9500, but when I run the "show run" ...

Kernel Panic when installing vWSA in Hyper-V

  Windows 11 with Hyper-V Manager v 10 my steps: download coeus-15-2-0-164-S100V.vhdx.tgz Hypervisor Image from Virtuelle Cisco Secure Web Appliance - Ciscoextract a vhdx image from the tgz archivehyper-v manager > New virtual machine3 CPU cores, 8 G...

fw_mon by • Level 1
  • 99 Views
  • 5 replies
  • 0 Helpful votes

DNAC_BC_Loopback 0

Hello Gents,i have already up and running Cisco SD-Access fabric. but i need to change ip add for lo0 for border/control node.is this possible ,if yes how ?i'm using DNAC Version 2.3.5.5

LED alarms ASR 9901 MAJ & LC start / input ok

Hi i have Cisco 9901 and below error led is red please advice how to tshoot or solve Red led is for MAJ & LC start / input ok #admin show ledSun Oct 6 08:42:45.692 UTC=============================================================Location LED Name Mode...

Hairpin Nat issues FMC

I have FMC and configured hairpin NAT to access to web server with public IP from internal LAN, and it works fine when I try to access to web server with public ip from internal LAN, but problem is when I try to enter to web server with internal IP f...

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Mobilty Express WMM configuration

My mobility express setup on Cisco AP 2802 give me this recommendaiton, but I cannot see how to fix / enable it. Could someone adwise me? "WMM policy should be required"  

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