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Why my Client PC Failed to chatching DHCP?

my Client PC Failed to chatching DHCP and cannot connect to server...

C3650C与Esxi连接

各位大佬，小弟有3台Dell R430Esxi服务器 2台C3650C交换机以及一台2811路由器，想废物利用搭建一个vSphere的虚拟实验环境。大概的网络结构为：每台R430的2块网卡在DCUI里做物理绑定作为管理网卡，分别连接两台C3650C的f0/1-3口，这3个口划为VLAN10. 每台R430的另外两块网卡分别连接C3650C的f0/10-12网口，这3个口设为Trunk。C3650C再接入到2811路由器，该路由器的一个网口连接到互联网，以便实现虚拟机的上网以及对服务器的远程管理功...

STP类型

有点难理解STP的类型，大家可以给个观念吗？谢谢现在市场上都有哪类的STP居多？以及tree calculation - all VLANs 跟 per vlans的意思是指？这个地方思考了许多，依然无法解惑

Connection between C3650C and Esxi Serves

Hello folks, I have 3 Dell R430 Esxi servers, 2 C3650C switches and a 2811 router, and I want to use them to build a vSphere virtual Lab environment. The approximate network structure is: the two network cards of each R430 are physically bound in the...

Module C6800-8p40g

Just need to know if this module is hot-swappable? Thank you

Select Clients Dropping Wireless Connection On 5500 WLC

Recently, my system bought around 800 of the Lenovo Gen 4 Chromebooks. We already had around 2500 Gen 3 100e's that worked perfectly fine, still do. We divided the new laptops out to the locations, and 2 of the 10 locations are having issues where th...

Is QoS needed at the Distribution layer (On two C9500K Stackwise)

Hello! I was wondering if I could get advice/input when it comes to QoS at the distribution layer of a network topology. Here's a high-level of our network topology.Soon to deploy two Cisco C9500k in a Stackwise HA configuration. It will have about 1...

AP Wi-Fi AIR-CAP3702I-R-K9, AIR-CAP3602I-R-K9

Hello everyone.Please tell me about two AP Wi-Fi AIR-CAP3702I-R-K9, AIR-CAP3602I-R-K9.I can't find information, how many users can work on Wi-Fi AP data without problems?At the moment, I had a maximum of 36 users connected to the AIR-CAP3602I-R-K9 an...

Client devices reporting 'Incorrect Wi-Fi password' on PEAP network

Hi folks,Running a Catalyst 9800-40 WLC. 1463 WAP's connected, predominantly C9136I WAP's. 8,817 active clients with 4,796 clients on our SSID using PEAP authentication via ISE on the back end. We are observing clients will frequently disconnect fro...

wireless security question

Hi, SSID has wpa2+wpa3 security, when pc connects which one will be used first and then if it doesnt work fails to second?

Calabrio - Device Associations

I am using Calabrio to record agent PCCE -calls and desktops. My current request is for a non-agent line to be recorded for all calls. I have created the hoteling user, retention plan, and work flow. I am now attempting to associate the device.The is...

High CPU usage in my Cisco 2901 Router

Hi.I'm a student and an admin of a network around 200 computers.Our network have a cisco router 2901 that have configured a NAT and a DHCP services.Monitoring with PRTG we have notice that sometimes the CPU usage of our router reaches close to 100% u...

iPhone not ringing if the application is not open

If the Webex application is no directly opened, the phone will not ring and will only ping a miss call. Only rings when the application is opened on the home screen. tried re installing the application but the problem comes back shortly after.Any fix...

Unable to Login to ASDM

Hi All,Need your suggestion is fixing the login to ASDM. Getting Login Failed error even the same password works for SSH and also to download the launcher from https://ipaddress/admin. But when i login from ASDM getting Login failed error.I went thro...

MTU on subinterfaces

So normally a standard interface has an MTU of 1500.When creating a sub-interface on a router (or using an SVI on switch), should the MTU be manually lowered to 1496 to account for the extra 4 bytes?Everything just seems to work without this, so I am...

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