Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...
Forum Posts
Normally we use Proline or Cisco brand SFPs but I'm considering trying some Startech ones for an idea I had. We have some areas of old OM1 fiber that I'd like to get running some 10G links over to the more remote areas of our property, and the about...
Hi,I ran into an IP conflict issue and shutdown 1 of the system so I changed the IP addresses but a few days ago I powered back on both the systems and was facing intermittent connectivity issue in one of the systems, the ping was replying then stopp...
Good afternoon, can you tell me where I can find updates for the Cisco SG500X? Currently, we have firmware version 1.3.0.62 and bootloader version 1.3.0.03
I wanted to be able to use the QSFP ports on my pair of Nexus 9Ks. And I noticed that there is such a thing as a breakout cable - 40Gbps on one side and 10Gbps on the other. My question is: how does the Nexus 9k deal with it when a breakout cable is ...
Do you still run VTP Version 2?Then watch out for this bug:https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwi46941For me this bug is like a time bomb.Two of our customers ran into it after upgrading from an affected release to a non-affected release...
The goal is to introduce two Extreme switches into the Fabric core to connect with two Cisco switches.The two Extreme 7520 switches will function both as the Fabric Core and as the interconnection point between the Extreme Fabric and the Cisco Fabric...
Hi Cisco Community,I wanted to ask about your approaches to troubleshoot Spanning Tree Protocol (STP) flapping in enterprise networks.In some cases, I’ve seen ports constantly changing between blocking and forwarding, which causes disruptions to user...
Good day, Can somebody please assist me with the difference between N9K-C93108TC-FX and N9K-C93108TC-FX3P? Thank you!
Resolved! Cisco Catalyst 9k licensing for stacking
Hi all, I have some concerns about licensing Cisco Catalyst 9k Switches for stacking feature. According official data sheets: C9200 and 9300 are using StackWise and Stacking bandwidth is defined by the model and C9500 are using StackWise Virtual. Th...
Hello Team,in our infra we have cisco catalyst 93/92k switches and it is hitting the bug CSCwq31287b any one pleas help on the bug fix ios version.Anjana
Hello, I have a port down on a Catalyst 6513 that went down because of the following error is logNov 6 13:16:22.127 EST: %RADIUS-4-RADIUS_DEAD: RADIUS server 10.195.16.100:1645,1646 is not responding.Nov 6 13:16:22.127 EST: %RADIUS-4-RADIUS_ALIVE: R...
Resolved! PXE Guest Shell Question
Hey, I have a Nexus N9K-C93120TX and a while back I had installed the dhcp software on the guest shell, installed and was used perfectly. Since then I had shut it down and today went back to use it but decided to default the router back to stock and ...
I have recently installed a Unifi gateway to replace and old gateway in a small business. Everything is working properly but I am receiveing a lot of dropped packets on the LAN side and that concerns me. I am wondering if someone can confirm proper V...
Hello awesome community!Continuing our networking fundamentals series, today we dive into Trunking!Learn how trunks carry multiple VLANs across switches, keep traffic separated with 802.1Q tagging, and form the backbone of inter-switch communication....
Hello, I am trying to help a new client resolve their VoIP issues of phones cutting in/out. The phones are Yealink phones and are connected to Catalyst 9200 switches, which then uplink to 2 core 1300 switches. Right now I have configured a separate V...
