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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...

keesepema by Level 1
  • 3 replies
  • 0 Helpful votes

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...

AF64 by Level 1
  • 3 replies
  • 5 Helpful votes

Resolved! Switching

Will Cisco catalyst 1000 series switch Support third-party Extream SFP module?Anyone please! suggest me for this troubleshooting.

Vihan by Level 1
  • 2 replies
  • 0 Helpful votes

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 Community,I have a Nexus 3064 connected to a 3750X via trunk without bpduguard; nothing that'll prevent spanning-tree communication. But even though I configured priorities and bounced ports, etc, I can't get the Nexus to become the root for all i...

kwakalack by Level 1
  • 5 replies
  • 5 Helpful votes

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....

Sinosha by Level 1
  • 2 replies
  • 0 Helpful votes

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...

jasonn by Level 1
  • 3 replies
  • 0 Helpful votes

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...

Jerome C. by Level 1
  • 10 replies
  • 5 Helpful votes

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...