Zhone zNID-GPON-2402 Configuration Manual page 218

Special scenarios
218
zNID 24xx Series Configuration Guide
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Conditional DHCP Addressing is used to assign permanent IP Address to
STBs and DVRs based on OUI classification. These devices are assigned
IP addresses from a dedicated range within the subnet.
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All LAN broadcast traffic is kept LOCAL
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Cross VLAN Routing must be enabled (for VoD traffic)
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Static Routes must be created for the IP Address ranges used for unicast
Video Traffic (e.g. VoD). DHCP Option 121 can create these
automatically.
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Analog phones or fax machines are supported on the POTS interfaces.
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Note that the WiFi interfaces do not support IPTV