G-Series Provisioning of Ethernet over SONET
The G-Series card in production is known as the G1K-4 card. This card is a four-port Gigabit Ethernet card. The G1K-4 card is not a Gigabit Ethernet switch. The G1K-4 card maps up to four Gigabit Ethernet interfaces onto a SONET transport network. A single card provides scalable and provisionable transport bandwidth at the signal levels up to STS-48c per card. The card provides line rate forwarding for unicast, multicast, and broadcast Ethernet frames. The G-Series card can also be configured to support jumbo frames defined as a maximum of 10,000 bytes. The G-Series card incorporates features optimized for carrier-class applications, such as high availability performance under software upgrades, all ...
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