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What happens if I insert a Versatile Interface Processor (VIP) without a Port Adapter (PA)?

April 26, 2017adapter happens insert interface PA port processor versatile VIP

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What happens if I insert a Versatile Interface Processor (VIP) without a Port Adapter (PA)?

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A. A VIP without a PA is not a supported hardware configuration, and can heavily impact the stability of the router. When you insert VIPs without PAs, the VIPs start to crash continuously, and heavily disrupt the communication between the Route/Switch Processor (RSP) and the other VIPs. A typical side-effect of these disruptions are VIPs, known to be working fine, that start to show VIP Controller Memory Size: Unknown. The RSP is unable to recover from this situation. In order to fix this problem, perform a reload, after you remove the VIP that causes the disruption.