Switching

Studying CCNA2 I stumbled upon a problem with PacketTracer excercise 3.2.8.The VLAN ID in the Ethernet frame on is comprised within the TAG field, between the source MAC field and the Type/Length field.The value should be 0x8100 for dot1q. However th...

Hi,I'm using a Nexus3064PQ with dot1q-tunnel enabled on two interfaces to interconnect 2 sites of a customer.SoftwareBIOS: version 4.5.0loader: version N/Akickstart: version 6.0(2)U6(2a)system: version 6.0(2)U6(2a)Below the configuration of my interf...

Hi,I have the below network ,I am looking for a best ip addressing scheme  between core and access and between cores Please advise Thanks  

FolksTwo physical interface are configured as channel. Sometime we need to add feature like trunk, vlan allow, or native vlan etc. Do we need to add these features at both levels or at physical level or channel level? Is there a rule about it? Usuall...

Hi AllI need to configure my NMS to read the mac address table of my 9600 switch via snmpv3, there are 100+ vlans on the switch and I want to read all mac addresses from all vlans.For some reason it is not pulling back any mac addresses, if I use snm...

I am trying to send a ping from one PC to another PC. In real time window ping succeeds, but when I send the same ping using "simulation" windows it hangs, ping doesn't go. Please, if you have any idea from your experiences....

I have an issue with port channel members randomly going down, and therefore once all members are down the entire port channels will drop of course.Then suddenly the port channel members will rejoin the port channel and all works until this happens a...

Hi,On my network, I have a stack with 2 C3850-12s (12 x 1Gbps sfp). This Core stack is connected to our access stack based on 2xC9200L-48P-4x (switch with 10Gbps module). From the 1st member of c3850-12s, I have 2 physical links connected to the firs...

Hi,I want to connect two switches I have  10g sfp on one side another side 1g sfp , my expected traffic is only 500Mbps .Does it work ?Thanks

Hi,I'm reading up for a CCNA certification.In my reading up (and labs) i've seen serial interfaces between some of the network devices. I'm not sure i understand the difference between serial and Ethernet connections.Why and when would you choose one...

Hi,I am planning the below topology,  access to core is layer 3 My question , What if I do vss  in  between core Or between core also should be L3 ?  Second question : the Asa firepower  Firewall  in active standby mode ? . Connection between firewal...

what will happen if sw1 is configured with PVSTP +  & sw 2 is configured with mst As Rapid PVST + is having high cpu/memory utilization  while MSTP + is having low  cpu/memory utilization