Hi AllI need to upgrade some 3850-24XU-L switches, they hung the other day whereby they stopped forwarding traffic and all the lights were stuck on, I am guessing this is some kind of bug.Last time I upgraded some 3850's they became unusable due to s...
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Hi all, I have to configure my 5672 with the fex 2348 via QSFP , I did the normal configuration but the fex is not starting up. Is there any special configuration when I use the QSFP? Thanks. 611
Hi, After 250 days of work, cisco decided to upgrade the system, everyone prepared the new kickstart and the image of the system. I made backup configurations and sent the system to reboot. After the reboot, the system does not start (cyclically rebo...
Hi, I have created a simple network diagram by using Cisco Packet Tracer. Here, I want to deny all the access from "Network 2" side to "Network 1". At the same time, I should be able to access the devices of "Network 2" from "Network 1".I tried with ...
NX-OS based on what type of operating system? (means does it based on FreeBSD or Fedora or Ubuntu or any other OS?) Thanks & regards,Nilesh Bhadane
If a client has purchased the Cisco 2960C / 3560 / 3650 / 3850 switches from EBAY and currently has them deployed in a production environment is that violating the Cisco licensing ToS on these devices?
I am new to the Cisco world and I am trying to make a Catalyst 3850 a dumb or unmanaged switch. I have the ports on the same vlan but can't ping between workstations. I can ping all worstations from the switch and ping the Vlan IP from the workstatio...
I have two ports configured on a switch, one being an access port for VLAN 10, the other being a trunk port. Should two hosts (one connected to the access port, the other connected to the trunk port) be able to talk to each other? Specifically via ...
Resolved! 2960XR IOS Upgrade choices and procedure
Quick question so I am upgrading a WS-C2960XR-48FPS-I that is currently running version 15.0(2)EX1. I want to upgrade to 15.2.6E2. My question is should I use the .tar or .bin? Also I have not been able to find the guide for this upgrade does any ha...
Hi all,We are experiencing some issues adding a vlan to a port-channel here is the configs and I'm stuck as to why and don't want to say 'yes' incase it removes some VLANS from my config:Can anyone see what I could be doing wrong ? Thanksgh5-N7010-1(...
Hi, My end custumer have a C9300 switch. But for activate "call-home", it must pass to a web proxy. call-home contact-email-addr ab@so.com source-interface vlan 1 http-proxy x.x.x.x port xxxx but if the proxy server request a username password, ...
My 3750x with IP base license, and eigrp configured, does not push it's routing table to the hub router. the 3750x however, recieves an udated routing table from the hub router.System image file is "flash:/c3750e-universalk9-mz.122-58.SE1/c3750e-uni...
Resolved! Cisco catalyst 3850 switch won't take command: "switchport mode trunk encapsulation dot 1q"
Hi all, I'am working on this switch's configuration. when I typed "switchport mode trunk encapsulation dot 1q", I got an error " invavid input". I'm guessing that this model already set encapsulation type to dot 1q, and that's why the switch won't...
Resolved! Clients cannot obtain an IP address
Hi there, I hope you can help, I have been looking at this issue for a while now but am hoping it is something simple. We have Meraki APs located in our 4 of our remote offices and they all connect to "Corporate Wifi" SSID which using Radius authenti...
In The 802.1Q Tag, What's The CFI Bit Used For?
