Activity in Technology and Support
License webex
Normally, if I buy a Licesen Register, do I need to buy an additional webex license?
WLC 9800-L version 17.12.4 and Microsoft surface connectivity issue
Hi,I successfully migrated from Cisco Airwave OS to 9800-L IOS versoin 17.12.4, and everything is working fine with the exception of the Microsoft surface pro. All of my PCs (windows 10) and Apple Iphone devices are working great and they are using ...
Cisco 5508 Controller – LAG Mode
Hi everyone,I need to know if it’s possible to configure the Cisco 5508 Wireless Controller to use LAG mode with LACP.The controller is running version 8.0.133.0.I’m migrating this controller to new Cisco Meraki 9300M switches managed through the Mer...
CBS250-48 fails to boot, enters "Embedded Linux"
Hi, one of our new CBS250-48T-4x switches fails to boot, when connecting via console I see it boots to some weird Embedded Linux environment, full console info in attachment, here is few first and last lines Few last linesmount: mounting ubi0 on /mn...
VLAN issues
I recently replaced the core switch at one of my sites that consisted of two separate C9300-48Ts and three other off brand switches and installed a new stack with a C9300X-48HX, C9300-24S and a C9300-48T (running 17.12.5). This is a layer 2 network c...
FMCv License Upgrade
Hello We purchased new FMCv license to manage 10 devices and we already have FMCv license to manage 2 devices, both are attached to the same virtual account. i need to use the same FMCv i'm already using to manage 10 devices instead of 2. so, i need ...
Issue in Cisco Unified CCE Deployment – VM Configuration Mismatch
Hi Team,We are currently encountering an error in our Unified CCE Administrationt12.5 screen. The issue appears to be due to a mismatch between the "Unmatched Virtual Machines" and the "Allowed Virtual Machines" for the selected deployment configura...
Ports Required for SMTP access from DMZ
We have a Windows 2000 Adv Server on a DMZ interface of a PIX firewall. We are using native Windows SMTP services as a Front End server for Exchange mail. Our Exchange server has a SmartHost entry that sends outbound mail to the server on the DMZ. ...
VMware ESXi Patching
Hello, We have a few customers running BE6000 and BE7000 systems which were supplied with bundled versions of VMware ESXi. There have been some recent high priority CVE vulnerabilities (CVE-2025-41236, CVE-2025-41237, CVE-2025-41238, CVE-2025-41239) ...
Boot fail in switch: boot config file not found.. Loading "flash:/c100
switch: bootconfig file not found..Loading "flash:/c1000-universalk9-mz.152-7.E4/c1000-universalk9-mz.152-7.E4.bin"...Error loading "flash:/c1000-universalk9-mz.152-7.E4/c1000-universalk9-mz.152-7.E4.bin" Interrupt within 5 seconds to abort boot proc...
C9300 Stack query
I need to build several C9300 switches in stacks of 4. I know how to connect the data and power stack cables, but want to know the answer to the following question. Each switch has 2x power supplies. If all switches are powered up by these power supp...
IE3400 Ring Topoloy - CLI
Hello All,While configuring an MRP ring on Cisco IE3400 switches (non‑PROFINET, Layer‑2), I observed that the “gateway” field in the show mrp ring output, currently showing Status: Disabled.I have reviewed the publicly available Redundancy Protocol ...
Issue with Port Channel on 2960 Switches
Hello,I’m experiencing issues setting up a port channel between Cisco Catalyst 9300-M switches (managed via Meraki Dashboard) and Cisco 2960 switches.The problem occurs when attempting to aggregate links from the 9300-M (aggregation layer) towards th...
PKI FlexConnect Authentication
Hi, I am looking for a guide on how to get certificate working with Cisco C1111-4P (code 17.12.5a) I am trying to get ECDSA certificates working to authenticate over the FlexVPN instead of PSK I think my first question is, is it supported and what si...
Criteria for a network to be strictly "Layer 3" vs "Layer 2"
Hello all,I have read about networks being described as "only Layer 3," and as such require no STP protocol, examples being VXLAN-based networks like Cisco SDA or ACI.However, even these networks have VLAN's (like L2 VNID's in SDA), and they also sti...
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