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Cisco 12000
 
 
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The Cisco 12000, also known as a Gigabit Switch Router or GSR, is a series of large network routers designed and manufactured by Cisco Systems
Cisco Systems

Cisco Systems, Inc. is a multinational corporation with more than 66,000 employees and annual revenue of United States dollar39 billion as of 2008....
. It is marketed primarily to large service providers, as well as for use in some enterprise networks. The routers are made with a variety of chassis sizes and types, all of which share compatible card interfaces.

SFP
SFP transceiver

The small form-factor pluggable is a compact, hot-plugging transceiver used for both telecommunication and data communications applications. It interfaces a network device mother board to a fiber optic or unshielded twisted pair networking cable....
s.]] Routers in this series are designed to provide IP
Internet protocol

Internet protocol may refer to:*The Internet Protocol, a specific protocol implementation in the Internet protocol suite*The Internet protocol suite, a set of communications protocols that are used for the Internet...
 and MPLS
Mpls

MPLS or Mpls can refer to:* Minneapolis, Minnesota, United States* Multiprotocol Label Switching, a data-carrying mechanism in computer networking...
 services.






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The Cisco 12000, also known as a Gigabit Switch Router or GSR, is a series of large network routers designed and manufactured by Cisco Systems
Cisco Systems

Cisco Systems, Inc. is a multinational corporation with more than 66,000 employees and annual revenue of United States dollar39 billion as of 2008....
. It is marketed primarily to large service providers, as well as for use in some enterprise networks. The routers are made with a variety of chassis sizes and types, all of which share compatible card interfaces.

SFP
SFP transceiver

The small form-factor pluggable is a compact, hot-plugging transceiver used for both telecommunication and data communications applications. It interfaces a network device mother board to a fiber optic or unshielded twisted pair networking cable....
s.]] Routers in this series are designed to provide IP
Internet protocol

Internet protocol may refer to:*The Internet Protocol, a specific protocol implementation in the Internet protocol suite*The Internet protocol suite, a set of communications protocols that are used for the Internet...
 and MPLS
Mpls

MPLS or Mpls can refer to:* Minneapolis, Minnesota, United States* Multiprotocol Label Switching, a data-carrying mechanism in computer networking...
 services. To maximize availability for service providers, the feature set includes redundant power supplies, standby route processors, resilient fabric, and alarm modules.

GSR line cards are available for Asynchronous Transfer Mode
Asynchronous Transfer Mode

Asynchronous Transfer Mode is an electronic digital data transmission technology. ATM is implemented as a network protocol and was first developed in the mid 1980s....
, Frame Relay
Frame relay

In the context of computer networking, frame relay consists of an efficient data transmission technique used to send digital information. It is a message forwarding "relay race" like system in which data packets, called data frames, are passed from one or many start-points to one or many destinations via a series of intermediate node points....
, Packet over Sonet (POS)
Packet over SONET/SDH

Packet over SONET/SDH, abbreviated POS, is a communications protocol for transmitting Packet in the form of the Point to Point Protocol over Synchronous_optical_networking or SONET, which are both standard protocols for communicating digital information using lasers or light emitting diodes over optical fibre at high line rates....
, and Gigabit Ethernet
Gigabit Ethernet

Gigabit Ethernet is a term describing various technologies for transmitting Ethernet frames at a rate of a Data rate units#gigabit_per_second, as defined by the IEEE 802.3-2005 standard....
 protocols.

Models


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