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day 1 - Coggle Diagram
day 1
conf t
vlan 10
vlan 20
int f1/2
swtichport mode access
switchport access vlan 20
int f1/1
switchport mode access
switchport access vlan 10
interface vlan 20
ip address 10.1.20.1 255.255.255.0
interface vlan 10
ip address 10.1.10.1 255.255.255.0
switching mechanism
process switching
fast switching
Csico Express Forwarding (CEF)
STP
3 type of scenario for flooding
broadcast
unknown unicast
3.multicast
2 function
Determine the best path
to prevent layer 2 loop
type of port
Designated port
per segment/uplink
port offer shortest pth to root switch
root port
per non-root switch/bridge
Elect based on shortest path to root switch
command
1.. no switchport in interface mode
Make the port as L3
"switchport mode access"
port type
Trunking
Tagged with multiple Vlan
Tagging means the header is insert between ffiled of the header
Different from encapsulation
Preprend the header infront of the original packet
config method
auto negotiate
Based on dynamic trunking protocol
Manual set the trunk
2, Access Port