Dell PowerConnect 6024 User's Guide (.htm) - Page 16
MAC Address Supported Features, MAC Address Support, Self-Learning MAC Addresses - port mirror
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www.dell.com | support.dell.com MAC Address Supported Features MAC Address Support The switch supports up to 16K MAC addresses and reserves specific MAC addresses for system use. Self-Learning MAC Addresses The switch enables MAC addresses to be automatically learned from incoming packets. Automatic Aging for MAC Addresses MAC addresses that have not seen any traffic for a given period are aged out, which prevents the Bridging Table from overflowing. For information about configuring the MAC Address age-out period, see "Viewing Dynamic Addresses." Static MAC Entries User-defined MAC entries are stored in the Bridging Table with the self-learned addresses. For information about configuring the static MAC addresses, see "Defining Static Addresses." VLAN-Aware MAC-based Switching Packets arriving from an unknown source address are sent to the CPU and added to the Hardware Table. Future Packets addressed to or from this address are more efficiently forwarded. MAC Multicast Support Multicast service is a limited broadcast service that allows one-to-many and many-to-many connections. In Layer 2 multicast services, a single frame addressed to a specific multicast address is received, and copies of the frame to be transmitted on each relevant port are created. For information about configuring MAC Multicast Support, see "Multicast Forwarding Support." Layer 2 Features IGMP Snooping IGMP Snooping examines the contents of IGMP frames when they are forwarded by the switch from stations to an upstream multicast router. Snooping enables the switch to identify stations interested in multicast sessions and which multicast routers are sending multicast frames. For information about configuring IGMP Snooping, see "IGMP Snooping." Port Mirroring Port mirroring monitors and mirrors network traffic by forwarding copies of incoming and outgoing packets from one port to a monitoring port. 26 Introduction
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