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When one of its hosts joins a multicast address group to which none of its other hosts
belong, sends unsolicited group membership reports to that group.
When the last of its hosts in a particular multicast group leaves the group, sends an
unsolicited leave group membership report to the all-routers group (244.0.0.2).
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The VigorSwitch G2240, a standalone off-the-shelf switch, provides the comprehensive
features listed below for users to perform system network administration and efficiently
and securely serve your network.
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20 10/100/1000Mbps Auto-negotiation Gigabit Ethernet TP ports
4 10/100/1000Mbps TP or 1000Mbps SFP Fiber dual media auto sense
1392KB on-chip frame buffer
Support jumbo frame up to 9600 bytes
Programmable classifier for QoS (Layer 4/Multimedia)
8K MAC address and 4K VLAN support (IEEE802.1Q)
Per-port shaping, policing, and Broadcast Storm Control
IEEE802.1Q Q-in-Q nested VLAN support
Full-duplex flow control (IEEE802.3x) and half-duplex backpressure
Extensive front-panel diagnostic LEDs; System: Power, TP Port1-24: LINK/ACT,
10/100/1000Mbps, SFP Port 21-24: SFP(LINK/ACT)
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Supports concisely the status of port and easily port configuration
Supports per port traffic monitoring counters
Supports a snapshot of the system Information when you login
Supports port mirror function
Supports the static trunk function
Supports 802.1Q VLAN
Supports user management and limits three users to login
Maximal packet length can be up to 9600 bytes for jumbo frame application
Supports DHCP Broadcasting Suppression to avoid network suspended or crashed
Supports to send the trap event while monitored events happened
Supports default configuration which can be restored to overwrite the current
configuration which is working on via web browser and CLI
Supports on-line plug/unplug SFP modules
Supports Quality of Service (QoS) for real time applications based on the
information taken from Layer 2 to Layer 4, such as VoIP
Built-in web-based management and CLI management, providing a more
convenient UI for the user
VigorSwitch G2240 User's Guide
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