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Community Activity

C887VA-M-K9 V02 has a fan inside?

Hello, my iOS on C887VA-M-K9 is complaining about heat issues on boot up with VDSL 2 board. I'm wondering if I have an issue of thermal paste, since internally there is none visible clues fan ever existed. I bought this unit used to replace my C887M-...

Community Manager reflections on a celebratory year!

What an incredible year it has been as we celebrated the 25th Anniversary of Cisco Community! From exciting contests and vibrant social engagements to amazing prizes, this milestone has been truly spectacular. We were honored to connect with many of ...

Screenshot 2025-11-25 at 12.47.59 PM.png

IS-IS Three-Way Handshake

Hello, everyone. IS-IS has a mechanism called the three-way handshake that is enabled on P2P links. It is defined in RFC 5303. The basic mechanism defined in the standard is that each side declaresthe other side to be reachable if a Hello packet is h...

Mitrixsen by Level 1
  • 74 Views
  • 1 replies
  • 0 Helpful votes

Cisco Active USB-C Cable not Charging

Hi All,we recently installed Cisco Room kit EQ codec and Cisco Room Bar (Standalone - BYOD). we also purchased Cisco Active USB-C Cable 9m (USB-C 3.1 Active Optical Cable, 9M length) as it will allow us to remove HDMI cables and chargers while using ...

vxlan tunnel btw Linux machine and C8000V

I'd like to set up the communication btw a Linux VM in public cloud and Cisco virtual router C8000V (version 17.9.4a) in our DC via vxlan overlay networking based on IPsec tunnel. here is C8000v config: int loopback1 ip address 10.200.200.1 255.255.2...

Cisco CBS250 and C1200 DNS crash

Today was a bad day for the Cisco CBS250 and C1200's. I've been running these for 1 to 2 years now and haven't had an issue until today. I think every single one crashed today and kept crashing until I removed the DNS configuration. I have about 50 o...

jkim2 by Level 1
  • 1281 Views
  • 11 replies
  • 0 Helpful votes

Resolved! IPIP Tunneling(tunnel mode ipip) on C8300

Hi,According to the below datasheet of C8300, I understand that C8300 supports GRE.However, there is not a clear mention about IPIP tunneling and I think that C8300 does not support it.Is it right?https://www.cisco.com/c/en/us/products/collateral/rou...

Annyconnect ISSUES ON Cisco 2901 router

  Dear Community Members.,I am having issues with my  Cisco anyconnect  VPN :The VPN suddenly stopped working with an error message of  Expired License:Below is the Content of the Directory: ANYCONNECT_CYB#dirDirectory of flash0:/1 -rw- 104193476 Mar...

TRANSCEIVER-3-NOT_ALLOWED_ONLINE

What does transceiver not allowed online mean?%TRANSCEIVER-6-INSERTED: Chassis 1 C0/1: iomd: transceiver module inserted in Te0/1/1 %TRANSCEIVER-3-NOT_ALLOWED_ONLINE: Chassis 1 C0/1: iomd: Detected for transceiver module in Te0/1/1, module disabledSF...

DJX995 by Level 3
  • 392 Views
  • 14 replies
  • 0 Helpful votes

Need to purchase 3 switch

Hi Team, We need to purchase 3*Nos cisco switch for campus (access switches ) which is best and mid prize range . 

Resolved! ISE Evaluation License

Hello friends.Few months ago, I carried out ISE two node deployment and Configured several policies as we were going to get licensed version.Purpose was testing and learning. I almost configured all of things I wanted. Yesterday, I signed in ISE and ...

HHeydarov by Level 1
  • 4953 Views
  • 9 replies
  • 0 Helpful votes