XGS-4728F User’s Guide
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H A P T E R
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VLAN Mapping
This chapter shows you how to configure VLAN mapping on the Switch.
28.1 VLAN Mapping Overview
With VLAN mapping enabled, the Switch can map the VLAN ID and priority level of
packets received from a private network to those used in the service provider’s
network.
The Switch checks incoming traffic from the switch ports (non-management ports)
against the VLAN mapping table first, the MAC learning table and then the VLAN
table before forwarding them through the Gigabit uplink port. When VLAN
mapping is enabled, the Switch discards the tagged packets that do not match an
entry in the VLAN mapping table. If the incoming packets are untagged, the
Switch adds a PVID based on the VLAN setting.
Note: You can not enable VLAN mapping and VLAN stacking at the same time.
28.1.1 VLAN Mapping Example
In the following example figure, packets that carry VLAN ID 12 and are received
on port 3 match a pre-configured VLAN mapping rule. The Switch translates the
VLAN ID from 12 into 123 before forwarding the packets. Any packets carrying a
VLAN tag other than 12 (such as 10) and received on port 3 will be dropped.
Figure 138
VLAN mapping example
Port 3
VLAN 12
VLAN 123
VLAN 10
VLAN 10
Service Provider
Network
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Страница 30: ...Chapter 1 Getting to Know Your Switch XGS 4728F User s Guide 30 ...
Страница 34: ...Chapter 2 Hardware Installation and Connection XGS 4728F User s Guide 34 ...
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Страница 374: ...Chapter 44 IP Table XGS 4728F User s Guide 374 ...
Страница 378: ...Chapter 46 Routing Table XGS 4728F User s Guide 378 ...
Страница 381: ...381 PART VI Troubleshooting Product Specifications Troubleshooting 383 Product Specifications 393 ...
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Страница 403: ...403 PART VII Appendices and Index IP Addresses and Subnetting 409 Legal Information 405 Index 417 ...
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Страница 408: ...Appendix A Legal Information XGS 4728F User s Guide 408 ...