HP 4000M Instrukcja Użytkownika Strona 129

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6-53
Configuring the Switch
Port-Based Virtual LANs (VLANs)
Configuring the Switch
Similarly, using 802.1Q-compliant switches, you can connect multiple VLANs
through a single switch-to-switch link.
Figure 6-37. Example of Connecting Multiple VLANs Through the Same Link
Introducing Tagged VLAN Technology into Networks Running Legacy
(Untagged) VLANs. You can introduce 802.1Q-compliant devices into net-
works that have built untagged VLANs based on earlier VLAN technology. The
fundamental rule is that legacy/untagged VLANs require a separate link for
each VLAN, while 802.1Q, or tagged VLANs can combine several VLANs in one
link. This means that on the 802.1Q-compliant device, a separate port must be
used to connect separate VLANs to non-802.1Q devices.
Figure 6-38. Example of Tagged and Untagged VLAN Technology in the Same
Network
For more information on VLANs, refer to:
“Overview of Using VLANs”, on the next page.
“Configuring VLAN Parameters from the Switch Console” on page 6-56.
“VLAN Tagging Information” on page 6-62.
“Effect of VLANs on Other Switch Features” on page 6-66.
“VLAN Restrictions” on page 6-68.
Non-802.1Q-
compliant switch
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