289
Figure 107 The proper MAC-to-interface mapping is not found in the bridge table
When a bridge receives a broadcast or multicast frame, it forwards the frame to all interfaces other
than the receiving interface.
Bridging configuration task list
Task Remarks
Configuring basic bridging functionalities
Required.
Configuring bridge table entries
Optional.
Configuring bridge routing
Optional.
Enabling VLAN transparency
Optional.
Configuring basic bridging functionalities
Configuration restrictions and guidelines
• When you configure transparent bridging over ATM, you must enable transmission and
receiving of bridged frames on the PVC.
• When you configure transparent bridging over PPP, you must configure PPP on the interface as
the link layer protocol for interface encapsulation.
• When you configure transparent bridging over multilink PPP (MP), you must configure PPP on
the interface as the link layer protocol for interface encapsulation, create a virtual template
interface and associate the physical interface with the virtual template interface.
• When you configure transparent bridging over FR, you must configure FR on the interface as
the link layer protocol for interface encapsulation, configure the FR interface type (optional,
DTE by default) and configure a virtual circuit. When establishing transparent bridging over FR,
you must configure mappings between bridge addresses and data link connection identifier
(DLCI) addresses.
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