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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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Cisco 3504 DCA problem

Hi Guys,  I have face a very weird issue. Currently my environment are running with 2 x C3504 in HA. There have 18 AP mixed with 1702, 1852, 2802, 9120. Some support for CleanAir some not. Too use all this model, we had choose the version 8.10.130. S...

I don't understand how TACACS Profiles works.

If you look at the tacacs profile as shown in the picture, there are custom characteristics I wonder how this works. In the case of other banders, I understand that tacacs are linked using these attributes If you add a value here, compare it with the...

CCC3 by • Level 1
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Cisco anyconnect browser ERR_SSL_Protocol_ERROR

Good day to everyone.I have two Cisco ASA running on FPR2130 assembled into a balancing group, for example:vpn-gw1.example.comvpn-gw2.example.comgeneral address vpn.example.com.Firmware version 9.18.3.56Anyconnect 4.10.07062At the moment, all our emp...

Resolved! UCS SEL Log - CIMC Processor CATAERR_N

Hi, guys. I checked SEL on the B200 server as follows.And the server got Hang.Do you know why? |BIOS| Processor #0x00 | Configuration Error | | Asserted|CIMC| Processor CATERR_N #0x81 | Predicative Failure asserted | Asserted|CIMC| Platform alert LED...

Resolved! FirePower 1100 lost smart registration

I have a FirePower 1100 for my home lab and for some reason, it lost DNS connectivity and lost registration. I did not notice and now I can't deploy changes. I connected to the CLI and tried to ping from system. When I try to ping from system I get t...

This is happening on my cisco switch 9300

Hi Members, This is happening on my Cisco switch, and I have no idea why this is happening.  Anybody had the same issue? If so, how did you all fix this, please? Your help suggestion and idea would be highly appreciated.       May 1 23:25:19.000: %LI...

lachimip by • Level 1
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  • 6 replies
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Resolved! C3650C与Esxi连接

各位大佬，小弟有3台Dell R430Esxi服务器 2台C3650C交换机以及一台2811路由器，想废物利用搭建一个vSphere的虚拟实验环境。大概的网络结构为：每台R430的2块网卡在DCUI里做物理绑定作为管理网卡，分别连接两台C3650C的f0/1-3口，这3个口划为VLAN10. 每台R430的另外两块网卡分别连接C3650C的f0/10-12网口，这3个口设为Trunk。C3650C再接入到2811路由器，该路由器的一个网口连接到互联网，以便实现虚拟机的上网以及对服务器的远程管理功...

mcwolf by • Level 1
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  • 3 replies
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Config GNS3 VM inside a Win10 Virtual machine

Hi,I need to create a GNS3 lab for internet access via the router inside a Win10 VM. For that, I used a NAT cloud, and that was okay. However, with NAT, I could not access the router's IP from the hosted laptop. Therefore, I tried to use the cloud. H...

RIP routing table not loading routes.

Hi Guys n Gals,I am having a bit of trouble with an assignment I am doing in packet tracer.I don't have the files handy until the eve, so will send pics/files later if required.My problem is that I have an access router connected to 3 separate cluste...

9105axw-b EWC Conversion

TL/DR:9105axw-bProblem 1 – How do I make space?Problem 2 – Am I copying the file correctly?I received a Catalyst 9105axw-b intending to use the 9800 Embedded Wireless Controller.   After reading several documents and watching the 9100 series videos, ...

Updated to Ubuntu 24.04. I am not able to use Secure-VPN anymore

Hi, as the title says, I am unable to connect to my Cisco Secure VPN after updating my OS from Ubuntu 22.02 to 24.04. The error I receive is"You are missing the required libraries for the authentication method you requested."Upon closer inspection, t...

rorororo by • Level 1
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Cerificate not valid yet

HiSo basically I have this problem I have eve ng VM and inside of it I'm installing ise primary node and secondary node and AD so I configured a NAT pool on the router and I control those equipements with internet addresses, so now I make a MGMT PC a...

Jason2005 by • Level 1
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  • 1 replies
  • 0 Helpful votes

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
  • 188 Views
  • 3 replies
  • 0 Helpful votes
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