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Cisco Bug: CSCsz23862 - issu operation should be blocked on MC/DRP system

Last Modified

Jan 11, 2017

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

3.8.2.BASE 3.8.3.BASE 3.9.0.BASE

Description (partial)


An ISSU upgade will induce a DRP reload, and Multichassis system reload without warning.


If an ISSU upgrade is performed with a single DRP, redundant DRP's, or within a multichassis system, the upgrade will proceed and induce all DRP's, and Multichassis system to reload without warning. ISSU upgrades are not supported for DRP's within a system, or for Multichassis systems. Parallel upgrades are the only supported method currently for systems containing DRP's, and for Multichassis systems.
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