Switching

All, I have a customer with a L2 network with multiple VLANS and consisting of multiple access switches with two L2/L3 core switches.  Both core switches have a SVI for each vlan using HSRP to provde redundant Default Gateways.The main core switch is...

Hello!We decide to upgrade to 15.1(2)SY and lost connections to WiSM 1 cardHere the WiSM statusService Vlan : 95, Service IP Subnet : 192.168.95.1/255.255.255.0      WLANSlot  Controller  Service IP       Management IP    SW Version    Controller Typ...

Hi All,I have installed 2 Core Switches and 9 Access Switches (4960-X,3560-X and 2960-X) in our organisation. Now we are looking for a Monitoring tool.To monitor the Traffic status, Link status, Quarterly Health Check, etc. for all the switches on a ...

Hi everyone. I've come upon a strange behavior when attempting to login to my NX-OS based switches. I'm using putty over a serial connection. Any time I attempt to type an @ character, which is used in my password, everything preceding it is deleted....

there is a n1000v connected to multiple upstream switches in the customer's production environment.the following is from the Cisco Nexus 1000V Interface Configuration Guide, Release4.2(1)SV2(2.1).You use vPC-HM mode to create a port channel when the ...

Hello guys! I am studying for CCENT using Wendell Odom’s book. So, I got to the Building Ethernet LANs with Switches section, where I stumbled on of the sections. Here goes a passage from the book: Figure 6-12 shows a typical design of a large campu...

Hello allI have been successful in implementing wccp in my multiple vlan environment.Router is Cisco 2921G0/0 - InternetG0/1 - Squid ProxyG0/2 - Clients in multiple vlansHere is the config:ip wccp web-cache redirect-list 120interface GigabitEthernet0...

Hi,Our switched network has approximatley 90 switches and i've been assingned the task to draw the topology.I've been told the below information:1. All are cisco switches itslef.2. I've been provided with ROOT credentials3. They told that each switch...

I'm using packet tracer and I setup  a network with a few layer 2 switches and a layer 3 switch and some hosts in various vlans. Everything is working fine and all hosts can ping each other on every vlan.I then added a second layer 3 switch (trunked ...

Hi Guys, I am trying to configure my lab with Vlans and access to the internet VIA my Virgin Media router.  I have had this working but while messing around i have broken it.  Can anyone give me a hint as to how?  Below is my router configuration.  M...

Hi all,I try to connect 2 Nexus 5000 switches with 4 Nexus 2000 fabric extender, with this configuration:feature telnetcfs eth distributefeature interface-vlanfeature lacpfeature vpcfeature lldpfeature fexusername admin password 5 xxx  role network-a...

Hi, I have a couple of questions about deployment new 3850 stack...According to the "best practices" (CVD and so on) there is some recomendations about previos 3750 stack:stack master placement in a switch stack - when three or more switches are conf...

How the switch process/read the received frames? Is there any difference in reading normal ethernet frames and dot1Q tagged frames and also ISL frames ?Can somone please explain or else a link/doc is fine?Regards,Chandu