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Unable to forward IPX or AppleTalk packets in Cisco Catalyst 3550, 3560, and 3750 switches

Core issue

Cisco Catalyst 3550, 3560, and 3750 switches do not support Legacy Protocols, neither IPX nor AppleTalk routing.

Resolution

In order to allow bridging of non-IP traffic IPX/AppleTalk traffic between VLANs, the Fallback Bridging feature must be used. This feature forwards non-IP packets that the switch does not route between VLAN bridge domains and routed ports.

Note: In order to use the Fallback Bridging feature, the switch must run the IP services image. This image was formerly known as the Enhanced Multilayer Image [EMI]).

Refer to Configuring Fallback Bridging for more information on fallback bridging.

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