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Ethernet/IP Functionality 60
Model 3124 User Manual B • Specifications
Ethernet/IP Functionality
• General Bridging Function
- Support IPv4 packet
- Support IEEE802.1d Ethernet bridge function between trunk Ether port and ATM VCs
- Support static source MAC table provisioning, automatic source MAC learning and block duplicate ones
- The system is able to maintain 4K entries in its own static MAC address table and to provision the sup-
ported number of MAC entries of a line port with a restriction of less than the maximum supported num-
ber, 128.
• VLAN
- Support IEEE 802.1q Port-based VLAN and Protocol-based VLAN
- Support 512 non-stacked VLAN-ID simultaneously ranging from 1 to 4095
- Support VLAN stacking and VLAN cross-connect
- Support IP Spoofing prevention
- Support MAC anti-Spoofing
- Support port isolation functionality. When port isolation is enabled, no Layer-2 bridging between differ-
ent ports (or subscriber lines) is supported in a VLAN
- Support static VLAN group and membership provisioning
• Multicast
- Support IP multicast forwarding and the multicast works well for RFC2684 bridged payload encapsula-
tion mode
- Support up to 256 multicast groups and 512 copies simultaneously
- Support profile-based Multicast Access Control (up to 48 profiles) and assign any profile to a subscriber
interface (the number of multicast channels within a profile is 256)
- Support to limit maximum number of IGMP groups joined per bridge port
- Support IGMP snooping/proxy per IGMP v1, v2, and v3
- Support selection between IGMP proxy and IGMP snooping
• ACL/Filtering
- Support Layer-2 frame filtering based on source/destination MAC addresses and EtherType
- Support Layer-3 filtering based on IP header including source/destination IP address, protocol ID, and
TCP/UDP destination port number
• Relay Functionality
- Support DHCP forward and DHCP relay agent option-82 functionality. The value within Circuit ID
and Remote ID sub-options is configurable.
- Support PPPoE relay