I need an expert to confirm if my understanding of Spanning-tree is correct. If an access port which is connected say to vlan 10 wants to send data, it will send to the root port (say gi1/1) on the access switch which in turn will forward the data to the primary building distribution switch where the
root bridge is located since I configured it with 'spanning-tree root primary vlan 10' ? Is this understanding correct ?
In other words traffic will flow from :-
Edge Port --> Root Port on Access Switch (Gi1/1) --> Root Bridge (Distribution Switch) --> and it goes to where it is suppose to go .....and the reverese if data is flowing through it ?
 Is there a command to see traffic flow in a switched environment
...something equivalent to
Hmmmm ... I am beginnnig to enjoy spanning-tree.
- sn -
That entry says mac address 0002.55eb.3116 is in VLAN 140 and can be reached via interface 4/13.
If you are pinging across VLANs, the host originating the ping will ARP for the mac address of the default gateway. Once it has the mac it will send an ethernet frame to that mac address. The switches will forward the frame switch to switch until it gets to the router interface. The router will strip the mac, arp for the host mac if on a connected VLAN, build the frame and send it on its way. The switches in that VLAN will forward the frame to its destination.
Here is a good review document on transparent bridging:
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