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efutch - Thanks for posting your question on the forum!
Were you able to see the CPU information or capture the "show interface" output while it was in its sluggish state?
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Neither show interface nor show process cpu show anything of interest. There's no interface errors or spikes in CPU utilization. No real explanation for why it's happening. At first I thought it was a problem with the BGP process, but even after the BGP configuration is removed it was still happening. The router functions normally in terms of routing packets even while the CLI is acting up. This unit is in production now, so I can't do any more testing with it. If it happens again with the next NV4460, I'll open a support ticket for it.
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