Tricks and tips for everyone


How VTP pruning helps in optimization?

How VTP pruning helps in optimization?

It is key element of VTP (Vlan Turning Protocol). It help improves network performance and network bandwidth by decreasing unnecessary flooded traffic i.e. broadcast, multicast, unknown and flooded unicast packets.

What does pruning mean in networking?

Pruning is the process of deleting irrelevant parts of a belief network before invoking inference. Consider the network in Figure 9(a) for an example, where is an evidence variable and is a query variable. One can prune node from the network, leading to the network in Figure 9(b).

How do you trim a VLAN from a trunk?

Getting Rid of Unwanted VLANs

  1. VTP pruning is a global command and affects all the switches in a VTP domain.
  2. All VLANs by default are prune eligible, which means that all VLANs can be pruned by this protocol.
  3. To block specific VLANs from the pruning mechanism, we must use the switchport trunk pruning vlan command.

How do I know if VTP is pruning?

– Verify that VTP Pruning is functioning properly by viewing the pruning list on SW1. As shown above from the SW3 show interface trunk output you can see that on port Fa1/13 the VLAN’s that are forwarding and not pruned on that trunk link are VLAN’s 1 and 10.

What is the difference between pruning and dropout?

Dropout drops certain activations stochastically (i.e. a new random subset of them for any data passing through the model). Typically this is undone after training (although there is a whole theory about test-time-dropout). Pruning drops certain weights, i.e. permanently drops some parts deemed “uninteresting”.

Is a trunk port tagged or untagged?

VLAN-enabled ports are generally categorized in one of two ways, tagged or untagged. These may also be referred to as “trunk” or “access” respectively. The purpose of a tagged or “trunked” port is to pass traffic for multiple VLAN’s, whereas an untagged or “access” port accepts traffic for only a single VLAN.

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