Brocade Multi-Service IronWare Switching Configuration Gui Uživatelský manuál stáhnout pdf (Strana 315)

Multi-Service IronWare Switching Configuration Guide 285

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Backbone Edge Bridge (BEB) operation

FIGURE 46 S-VLAN keep mode

Port Based Untagged Frame with S-Tag Insertion

With S-VLAN keep mode it is also possible to insert an S-Tag on top of whatever tag(s) the original

packet may already have when it goes out into the PBB network. This is done by configuring a

port-based untagged endpoint with the desired S-VID as the Port's default VID and send port based

untagged packets into this port. When the corresponding packet (shown in Figure 47 as a C-Tagged

packet) is switched towards an IB-endpoint into the PBB network, the BEB will insert the PBB

header as well as inserting an S-Tag with the S-VID set to the ingress port's configured VLAN value.

The S-Tag TPID will be set to whatever was configured as the system-wise S-Tag Ether Type value.

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Brocade Multi-Service IronWare Switching Configuration Gui Uživatelský manuál Strana 315