- 20 x Gigabit SFP
- plug-in module
- with Cisco Distributed Forwarding Card DFC-3C
- for Cisco 7604
The Cisco 7600 Series Ethernet Services 20G (ES20) line cards are a multiple-fabric, fixed-port Ethernet line card for the Cisco 7600 series routers that are capable of 20 Gbps of traffic forwarding using a fixed port interface design.