IES-1248-51V User’s Guide
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CHAPTER 38
IP Bridge
This chapter explains how to set up the IP bridge function in the IES-1248-51V.
38.1 IP Bridge Overview
The IP bridge function is designed for large-scale, flat, access networks, and it is
ideal when the network is based on Ethernet. When the IP bridge is enabled, the
IES-1248-51V forwards frames based on the destination IP address, instead of the
destination MAC address, and it replaces the source MAC address with its own
MAC address.
Figure 128 IP Bridge: Traditional vs. IP-aware DSLAM
Traditional
Forward by
destination MAC
IP Aware
Forward by
destination IP
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