Dell FCX624-I Laptop User Manual


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484 PowerConnect B-Series FCX Configuration Guide
53-1002266-01
Configuring 802.1Q-in-Q tagging
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PowerConnectE(config)# vlan 104 by port
PowerConnectE(config-vlan-104)# tagged ethernet 2/1
PowerConnectE(config-vlan-104)# untagged ethernet 1/4
PowerConnectE(config-vlan-104)# exit
PowerConnectE(config)# vlan 105 by port
PowerConnectE(config-vlan-105)# tagged ethernet 2/1
PowerConnectE(config-vlan-105)# untagged ethernet 1/5
PowerConnectE(config-vlan-105)# exit
PowerConnectE(config)# write memory
Commands for device F
The commands for configuring device F are identical to the commands for configuring device E. In
this example, Because the port numbers on each side of the configuration in Figure 102 on
page 479 are symmetrical, the configuration of device F is also identical to the configuration of
device A and device B.
PowerConnectF(config)# vlan 101 by port
PowerConnectF(config-vlan-101)# tagged ethernet 2/1
PowerConnectF(config-vlan-101)# untagged ethernet 1/1
PowerConnectF(config-vlan-101)# exit
PowerConnectF(config)# vlan 102 by port
PowerConnectF(config-vlan-102)# tagged ethernet 2/1
PowerConnectF(config-vlan-102)# untagged ethernet 1/2
PowerConnectF(config-vlan-102)# exit
PowerConnectF(config)# vlan 103 by port
PowerConnectF(config-vlan-103)# tagged ethernet 2/1
PowerConnectF(config-vlan-103)# untagged ethernet 1/3
PowerConnectF(config-vlan-103)# exit
PowerConnectF(config)# vlan 104 by port
PowerConnectF(config-vlan-104)# tagged ethernet 2/1
PowerConnectF(config-vlan-104)# untagged ethernet 1/4
PowerConnectF(config-vlan-104)# exit
PowerConnectF(config)# vlan 105 by port
PowerConnectF(config-vlan-105)# tagged ethernet 2/1
PowerConnectF(config-vlan-105)# untagged ethernet 1/5
PowerConnectF(config-vlan-105)# exit
PowerConnectF(config)# write memory
Configuring 802.1Q-in-Q tagging
802.1Q-in-Q tagging provides finer granularity for configuring 802.1Q tagging, enabling you to
configure 802.1Q tag-types on a group of ports. This feature allows you to create two identical
802.1Q tags (802.1Q-in-Q tagging) on a single device. This enhancement improves SAV
interoperability between Dell PowerConnect devices and other vendors’ devices that support the
802.1Q tag-types, but are not very flexible with the tag-types they accept.
NOTE
Dell PowerConnect devices treat a double-tagged Ethernet frame as a Layer 2 only frame. The
packets are not inspected for Layer 3 and Layer 4 information, and operations are not performed on
the packet utilizing Layer 3 or Layer 4 information.
Figure 103 shows an example application with 802.1Q-in-Q tagging.