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DES-7200 Configuration Guide Chapter 2 MAC Address Configuration
2-7
Figure-8 Uniform MAC Address Forward Process 2
For the reply packets sent by the UserB are forwarded to the port of UserA
through the Line Card 1, the switch only learn the Mac addresses on the Line
Card 1 and the MAC addres for UserB can not be learned on the Line Card 2.
MAC address table(Line card 1)
Status VLAN MAC address Interface
Dynamic 1 00d0.f8a6.5af7 GigabitEthernet 1/1
Dynamic 1 00d0.f864.c9b6 GigabitEthernet 1/2
MAC address table(Line card 2)
Status VLAN MAC address Interface
Dynamic 1 00d0.f8a6.5af7 GigabitEthernet 1/1
Figure-9 Uniform MAC address Learning: MAC address table 2
The advantages of the uniform MAC address learning:
The capacity of the address table for all linecards in the switch is allocated
on demand: If two users exchange the packets on the same line card, only
the MAC address space of the line card 1 is occupied.
High System Performance: Small system expenditure since the internal
system adopts the dispersive MAC address learning mode.