Switching

Hi Friends,I have a cisco 3850 L3 Switch, which is installed in my network.In that switch we created 6Vlans and each vlan having separate network (Ex..Vlan100 connected 10.4.1.0/24, Vlan200 connected 10.4.2.0/24, Vlan300 connected 10.4.3.0/24 like......

Hi Friends,I have a cisco 3850 L3 Switch, which is installed in my network.In that switch we created 6Vlans and each vlan having separate network (Ex..Vlan100 connected 10.4.1.0/24, Vlan200 connected 10.4.2.0/24, Vlan300 connected 10.4.3.0/24 like......

We are facing high cpu utilization issue in our core cisco 3750x switch.We would like to know what might be causing the issue.attaching the logs for the issue. Can someone help on this. 

Hello All,We are having Cisco 4948E model switches.on one of switches while troubleshooting high cpu I have noticed that show bootflash doesn't show any IOS statistics like total or free space!! Can anyone give any advice on our future course of acti...

I just want to proof my concept is correct. if the blocking state is showing "0" based on output below, that means there is no looping in the network which is blocked by spanning-tree protocol?  switch#show spanning-tree summary Switch is in pvst mod...

Hi,i have 2 routers w/ 1 modem each connected to cloud then to ISP router.So my problem is ISP router can ping R1 and R2R1 can Ping ISP router same as R2But the problem is R1 can't ping R2 vise versa.DetailsISP: 1.1.1.1 /24R1: 1.1.1.2 /24R2: 1.1.1.3 ...

I am getting below error while uploading ios image  in 2811 series router. %Error opening http://137.230.143.143/c2800nm-adventerprisek9-mz.151-4.M10.bin (I/O error)

Hi Guys,VLAN hopping attacks is for an attacking host on a VLAN to gain access to traffic on other VLANs that would normally not be accessible.So, in this case we are not able to ping different VLAN. If without doing vlan hopping if we are able ping ...

Hello,using two NEXUS 56128 , I wish to create enhanced VPC architecture with FEX 2248TP.My question is : can I use 40Gbs ports on NX56128 with QSFP breakout DAC cable (40G to 4x10G) to connect FEX 2248 ?regards

Hi all, I understand what are subnets and VLANs in which subnet breakup a network into different smaller segment, whereas VLAN is the logical breaking of a physical switch into several logical ones.By right, each subnet and VLAN belongs to its own br...

What is the best practice to prevent someone from making a device the same IP as your Gateway switch ? I am at a High school and a student or students from time to time make a phone or other device the same IP as my core switch. Is there a tool or so...