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I am facing an issue with syncing new nodes to the bootnodes of my parachain on Kusama. The bootnodes were synced using the following commands:

  • For fast sync: binary --chain <parachainchain> -- --sync=fast
  • For warp sync: binary --chain <parachainchain> -- --sync=warp

However, when I try to sync a new node with these bootnodes, I encounter the following log entries:

2023-11-29 09:13:37 [Parachain] Report 12D3KooWCEZ635J1LtCSX95vSjk6WzAm6oHdzKdEhiKzLNtiUvpT: -536870912 to -2147483648. Reason: Not requested block data. Banned, disconnecting.
2023-11-29 09:13:37 [Parachain] Report 12D3KooWAkbe8ecKSGUyRjgZwh8DifGiu5oe6s1VbVdBcVmc7mkS: -536870912 to -2147483648. Reason: Not requested block data. Banned, disconnecting.
2023-11-29 09:13:38 [Parachain] Report 12D3KooWQjuPJkXHj25W4QMuemGtcLFHBAiFMMd9snbhqSTB2vn5: -536870912 to -2147483648. Reason: Not requested block data. Banned, disconnecting.

As a result, no new node is able to sync with the parachain. I'm seeking advice or insights on the following:

  1. What could be causing the "Not requested block data" issue in the context of syncing new nodes with the bootnodes?
  2. The numeric values reported in the logs (-536870912 to -2147483648) are confusing. Can someone explain their significance?
  3. Are there any known solutions or workarounds to resolve this syncing issue?
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