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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.

Features

Cisco 12000 series routers feature a high-performance switched backplane providing 2.4 Gbit/s across 16 switched ports simultaneously. The Multi-Service Blade module (introduced for the XR 12000 line) provides firewall and acts as a session border controller.

Criticism

Certain line cards in Cisco 12000 routers are potentially vulnerable to denial-of-service attacks. Additionally, certain software versions were vulnerable to specially crafted IPv4 packets.

See also

• Cisco routers

References

1. Gredler, Hannes; Goralski, Walter (2005). The Complete Isis Routing Protocol. Springer. ISBN 9781846281051.
2. "Fast Switched Backplane for a Gigabit Switched Router" (PDF). Department of Electrical Engineering, Stanford University. Retrieved January 19, 2013.
3. Duffy, Jim (March 19, 2007). "Cisco adds firewall, SBC module to XR 12000 line". Network World. Archived from the original on December 3, 2008. Retrieved January 19, 2013.
4. Leyden, John (15 November 2001). "Cisco high-end routers in DoS peril". The Register. Retrieved January 19, 2013.
5. Berndtson, Chad (May 27, 2011). "Cisco Warns Of Vulnerabilities In IOS XR Software". CRN. Retrieved January 19, 2013.

External links

• Cisco 12000 Series Routers
• Cisco GSR on the CiscoClue wiki

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