User's Manual

Table Of Contents
User’s Manual of LRP-822CS/LRP-1622CS
121
The LRP Managed Switch supports multiple VLAN tags and can therefore be used in MAN applications as a provider bridge,
aggregating pende into the MAN (M ace. One of the
purposes of the provider brid pace can be used
independent of the customers’ VLANs. This is accomplished by ing a VLAN tag with a MAN-related VID for frames entering
stripped and the original VLAN tag with the customer-related VID is again available.
In cases where a given service VLAN only has two member ports on the switch, the learning can be disabled for the particular
Interface Setting/Status screens in Figure 4-5-5 & Figure 4-5-6 appear.
traffic from numerous inde nt customer LANs etro Access Network) sp
ge is to recognize and use VLAN tags so that the VLANs in the MAN s
add
the MAN. When leaving the MAN, the tag is
This provides a tunneling mechanism to connect remote costumer VLANs through a common MAN space without interfering
with the VLAN tags. All tags use EtherType 0x8100 or 0x88A8, where 0x8100 is used for customer tags and 0x88A8 are used
for service provider tags.
VLAN and can therefore rely on flooding as the forwarding mechanism between the two ports. This way, the MAC table
requirements is reduced.
Edit Interface Setting
The Edit
Figure 4-5-5 Edit Interface Setting Page Screenshot