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MX104 RE flash issues

MX104 RE flash issues. Tim Czerwonka tim.czerwonka@wisc.edu. Background. Some flash memory in MX104 devices goes bad, data corruption Mid/Early 2016, first signs Second / Redundant routing engines (REs) ordered, installed. Escalation. Increasing rate of failure

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MX104 RE flash issues

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  1. MX104RE flash issues Tim Czerwonka tim.czerwonka@wisc.edu

  2. Background • Some flash memory in MX104 devices goes bad, data corruption • Mid/Early 2016, first signs • Second / Redundant routing engines (REs) ordered, installed

  3. Escalation • Increasing rate of failure • 8/2017 case escalated with Juniper • management attention • bi-weekly calls • expedited RMA process

  4. Technical Details • Three flash devices in production • ATP -JP4, ATP -JP6, Swissbit • Problem manifested by: • corrupted packages • inability to write (e.g. commit) • RE failover • Various workarounds tried • reinstall, tftp, external USB, install second flash on-board, watch checksums, “free” block utility, etc.

  5. Solution • Replace all –JP4 REs and update to 16.1R7.7 • Approximately 50 –JP4 units at sites • Working through expedited FCO / bulk RMA process with Juniper • We’ll be contacting you…

  6. Questions?

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