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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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DHCP Server issues DOT1X

HelloAfter I have setted every policy on the switch and everything is working fine through an ISE authentification via dot1x, now server cannot reach its gateway in order to give IP DHCP addresses to the hosts on VLANs!Can anyone help me please

Jason2005 by • Level 1
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%DOT1X-5-FAIL: Authentication failed

Trying to authenticate I have this error as shown, can anyone help me!*May 11 12:38:20.482: %RADIUS-4-RADIUS_DEAD: RADIUS server 192.168.100.3:1812,18 13 is not responding.*May 11 12:38:20.482: %RADIUS-4-RADIUS_ALIVE: RADIUS server 192.168.100.3:1812...

Jason2005 by • Level 1
  • 48 Views
  • 2 replies
  • 0 Helpful votes

Error DTLS between wlc5508 and AP 3802

8.8:2802 AP console "DTLS disconnect: ERROR shutting down DTLS connection ..."CSCvj27233   i have this problem on my AIR-AP3802i-H-k9 when i want to connect it with my "5508" WLC

yazd-ian by • Level 1
  • 91 Views
  • 1 replies
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Resolved! Computer Doesn't get IP from Core SW when the ACL is on

Hello All, I have a question, I built the following DHCP pool and ACL on the Cisco core. When the ACL is on the computer doesn't able to get IP address from DHCP but when I turn off the ACL it works perfectly fine. So here is the question when comput...

AP not joining Controller

I have a Cisco 3700 Series AP and trying to connect it to a WLC 5508. I have getting a certificate validation failed error, however when I use the command "show crypto pki certificates" no such expired certificate shows up. Previously had an issue wi...

singh7881 by • Level 1
  • 148 Views
  • 6 replies
  • 0 Helpful votes

PortFast OID

Do you know how to display via SNMP if PortFast is configured on a given port?Is this even possible?We are building an application that is supposed to work optimally so we are testing simple port configurations via SNMP such as setting VLANs, IPs, ma...

IHQ constant packets in incoming queue

Good morning I am facing the following problem on a customer location with main and backup router. cisco ISR4331/K9 We see constant incoming IHQ packets on the WAN Interfaces on both routers. At the same time there is almost no traffic on the WAN Int...

Chrizhitz by • Level 1
  • 370 Views
  • 17 replies
  • 0 Helpful votes

Cisco Phone system

Hi, I'm looking to get some assistance or guidance on this old phone system. Looking to see if there's any 3rd party vendor that is willing to help troubleshoot some issues. Cisco Unity Connection version 8.5.1ES65.13900-65Cisco Unified CM Administra...

Abrar786 by • Community Member
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  • 1 replies
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April Community Updates

Community Development Updates   Community Experience Enhancements:   The community development team has implemented the following enhancements to improve community user’s experience:  Featured Topics: Community Managers can highlight knowledge articl...

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Resolved! DHCP Failed. APIPA is being used

Hello, I'm working on an activity in packet tracer, and when I go into any of my devices and switch from static to DHCP, it shows a message stating, "DHCP failed. APIPA is being used."I had no idea what's wrong with my work; if anyone or someone can ...

Influence the Cisco technology and experiences you use.

As a dedicated user of our solutions and technologies, you have the unique opportunity to join the Cisco Insider User Research program — an initiative that lets your voice be heard and your insights drive the evolution of Cisco technology.  Cisco Ins...

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SD-WAN Dataplane Tunnels

It was brought to my attention from a customer where redcently deployed Cisco SD-WAN infrastructure.  So, they've started a traceroute from a local LAN segment at the center location, to a remote site LAN segment. Both of initiating and receiving hos...

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