traffic monitoring interface vs vlan

[ino]

lets say i have a switch port 

GigabitEthernet1/0/1

switchport access vlan 10
switchport mode access

interface Vlan10

description Vlan10
ip address 10.0.0.1 255.255.255.0

"show  interface summary"

1. what traffic is counted on the interface vs the vlan

2. if the traffic is coming from a device (other switch etc.) which also has set its interface as "mode access"

3. if the port is "mode trunk"

bit confused here 

[Georg Pauwen · Accepted solution]

Hello,

the traffic counted on the physical interface is ALL traffic that comes from whatever is connected to this interface.

The traffic counted on the SVI (Vlan 10 interface) is the traffic that is going to other SVIs (that is, layer 3 traffic destined for another subnet or external destination). Any inter-Vlan traffic never passes through the SVI.

[ino]

thank you

my confusion came probably because i had ip routing enabled on the switch and saw little spikes in the vlan traffic

still not sure what they are as although ip routing was enabled i havent used it 

some route announcements maybe?

any way on my router i can more clearly see whats going on