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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 12000 Series RoutersCisco GSR on the CiscoClue wiki
12000 Hardware routers {{compu-hardware-stub
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, Inc., commonly known as Cisco, is an American-based multinational corporation, multinational digital communications technology conglomerate (company), conglomerate corporation headquartered in San Jose, California. Cisco develo ...
.
Features
Cisco 12000 series routers feature a high-performance switched backplane providing 2.4Gbit/s across 16 switched ports simultaneously. The Multi-Service Blade module (introduced for the XR 12000 line) providesfirewall
Firewall may refer to:
* Firewall (computing), a technological barrier designed to prevent unauthorized or unwanted communications between computer networks or hosts
* Firewall (construction), a barrier inside a building, designed to limit the spre ...
and acts as a session border controller
A session border controller (SBC) is a network element deployed to protect SIP based voice over Internet Protocol (VoIP) networks.
Early deployments of SBCs were focused on the borders between two service provider networks in a peering environme ...
.
Criticism
Certain line cards in Cisco 12000 routers are potentially vulnerable todenial-of-service attack
In computing, a denial-of-service attack (DoS attack) is a cyber-attack in which the perpetrator seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host connect ...
s. Additionally, certain software versions were vulnerable to specially crafted IPv4 packets.
See also
*Cisco routers
Cisco Systems, Inc., commonly known as Cisco, is an American-based multinational digital communications technology conglomerate corporation headquartered in San Jose, California. Cisco develops, manufactures, and sells networking hardware, ...
References
External links
Cisco 12000 Series Routers
12000 Hardware routers {{compu-hardware-stub