Switching

Hi We have ordered some 9200Cx, but it seems that we need a micro USB to get to the console. Not the standard mini USB type B, but the mobile phone type USB Micro Type B.A standard USB Micro Type B, doesn't work, even with the Cisco USB Driver, not s...

Hello, Have tried configuring Tacacs on a new Cisco 1300 switch, which is running on latest version. Wherein Authentication is successful and able to access switch CLI but unable to see Authorization getting enforced on switch. Hvae checked ISE logs ...

Hi Cisco Community,I’d like to start a discussion around gateway redundancy protocols on Cisco Catalyst switches. In many enterprise networks I’ve seen HSRP, VRRP, or GLBP being used, but the choice often depends on customer requirements and design p...

Hello community, I hope you are doing well. I am working on a project where we may need to create a mixed stack with a Catalyst 9300-24T-E and a Catalyst 9300X-24Y-E. From the datasheets, I can clearly see the switching capacity and forwarding rate v...

I am having a bidding project in which there is a processing capacity parameter. The assignment requires 2bpps but the device parameter is only 1.2 Bpps. I want to ask if using a 1.2Bpps device in that bidding project, will not meeting the parameter ...

I've two C93108TC-EX which interconnects my Proxmox (Debian) cluster using VPC and two 100Gbit ports each and network cards Mellanox MT27700 ConnectX-4. When running iperf between nodes I can get only 25Gb/s, while when tested simultaneously from mul...

Does C9500-48Y4C-A support both SFP and SFP+ RJ45 module? Have checked the https://tmgmatrix.cisco.com/?npid=50 Cisco Optics-to-Optics Interoperability Matrix for combability, it is on the list. But from Cisco commerce online configuration, there is ...

Good morning,we're using two standalone C9500 switches. Now we want to connect a NAS with its network ports to both switches.So, NIC 1 on the NAS goes to Switch 1, and NAS NIC 2 goes to Switch 2.Can this be implemented without switch stacking?

Hi Everyone,In enterprise LANs, I usually enable DHCP snooping for security — but it sometimes causes issues if trust is not configured correctly on uplinks. Quick questions:Do you enable DHCP Snooping by default on all access VLANs?Do you also use I...

Hi, Has anyone else seen the following MAC addresses show up on numerous ports recently: 0034.ba00.4000 0034ba01.4000 0030.3a00.4000 0030.3a01.4000 These have just started to show up on several user ports *same 4 MAC's on all interfaces effected* in ...

Hello,I have nexus 9380 pre-configured with monitor session 1 and 2 for SPAN.Session 1 shows source as all port channels destination interface eth1/2Session 2 has source all vlans > destination interface eth1/20Now when am creating a session 3 and ad...

C1300-48T-4X(unit-id1) and C1300-24T-4X(unit-id2) form a stack configuration.(version : 4.1.6.54)If C1300-48T-4X(unit-id1) is active and C1300-24T-4X(unit-id2) is standby,Reload only C1300-48T-4X(unit-id1).As a result, C1300-24T-4X (unit-id2) may be ...

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...