Please enable JavaScript.
Coggle requires JavaScript to display documents.
Ethernet frame format (IEEE 802.1ad :VLAN nesting (QinQ) (C-VLAN : client…
Ethernet frame format
IEEE 802.1ad :VLAN nesting (QinQ)
C-VLAN : client side
S-VLAN : supplier side
IEEE 802.1q:VLAN information
Tag Attributes
tag aware
access
hybrid
four-byte S-VLAN or C-VLAN field
tag protocol ID (TPID)
C-VLAN tag: 802.1q tag protocol type: 0x8100
S-VLAN tag 802.1q :service tag: Customizable
tag control Information (TCI).
S-TAG
PCP: 3 bits
DE: 1 bit
VID: 12 bits
C-TAG
PCP: 3 bits
CFI: 1 bit
VID: 12 bits
External Ports
to access the services on the user side
client-side ports or user-side ports
Internal Ports
system-side ports or backplane-side
VCTRUNK