Switching

Hi, I have a layer 2 lan with low latency device 10 Gbps. I need to replace the 2 core switches from another vendor to Cisco Nexus as far as I already have 2 access switch Nexus 3546. Requirement: buy 2 nexus low latency where connect 2 access cisco ...

Hello everyone, I'm currently working on LAN securization in my company. We decided to deploy those following features : Port security BPDU Guard DHCP Snooping ARP inspection In some factory, we've a lot of moving station (ex Thin client) Due to th...

Hi All,       I am having issue in my network 4500CORE switch with vlans and dhcp-server------>2900 access switches. someone connect linksys router in one of access switch in the network and it act like dhcp server clients gets wrong ip address any...

Hi, At a customer I had to enable BGP routing on N5K's (5548's with L3 daughter cards). Before enabling this feature, I checked the licensing which _shouldn't_ be a problem according to the customer. They only have LAN_BASE_SERVICES_PKG installed, B...

In my company we have a LAN network and a WIFI network using Cisco WLC. There are some areas in the company where the wifi signal is weak. What is the best and secure way to extend the WIFI signal there. I was planning to attach a Router to one of th...

Ok i am having an issue with some devices plugged into a 2960 switch where the switch is not learning the MAC address of the devices attached. Has anyone ever had this issue and what was your solution? Plugged a TPlink 5 port into the 2960 and the de...

Community, I am labbing up MST in prep for the CCNP SWITCH exam and cannot for the life of me make the CST RB outside the MST region. Whenever I do this I get the following message:  %SPANTREE-2-PVSTSIM_FAIL: Blocking root port Fa1/0/21: Inconsisten...

Dear Team, Need your help regarding the NPE-G1 password recovery. Due to security issue, previously "PASSWORD RECOVERY FUNCTIONALITY IS DISABLED" function was enabled. Now we have lost our given password and unable to break the Password.  1. We have ...

Hi, I'm confused about the throughput of 3750-X using stackwise plus in an incomplete ring. According to this table throughput per port is 16 Gbps per ring (bi-directional) x 2 rings per stack port = 32 Gbps per stack port   So does that mean that ...

Hello everybody,   I have a questing regarding Meraki Switching vs. Catalyst Switching.   My company (global company with location sizes from 10 - 3500 employees) is currently operating their worldwide infrastructure with Cisco Catalyst Switches.  We...

Is Netflow capable of monitoring layer 2 switches? Like to see what ports are doing that are uplinked to the distribution layer from the access layer 2960x's?

Hello Experts, I have some users who are playing with my local company ip-addresses. they are putting other users ip-addresses into their own laptops. And that makes a lot of ip conflicts for other users.    I want to findout who the user is who is p...