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Can I Enable Distributed CAR (dCAR) on a Cisco 7500?

April 26, 2017car Cisco distributed enable

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Can I Enable Distributed CAR (dCAR) on a Cisco 7500?

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Yes, the RSP/VIP platform supports dCAR in Cisco IOS Software Release 11.1(20)CC, and all 12.0 Software Releases. CAR impacts performance to some extent. Based on the CAR configuration, you can achieve line rate [for Internet Mix traffic] with a VIP2-50 [through dCAR] on an OC3. Ensure that Cisco bug ID CSCdm56071 (registered customers only) does not affect you. If you want to use output CAR, Cisco bug ID CSCdp52926 (registered customers only) can affect your connectivity. If you enable dCAR, Cisco bug ID CSCdp58615 (registered customers only) can cause a VIP crash.