CiscoIOS XE
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How does Cisco IOS XE handle software upgrades to minimize network downtime?
How does Cisco IOS XE handle software upgrades to minimize network downtime?
CiscoIOS XE
Answers
The In-Service Software Upgrade (ISSU) process enables Cisco IOS XE software to be updated or modified without interrupting packet forwarding. In many networks, planned software upgrades are a major source of downtime. ISSU allows these upgrades to occur seamlessly, enhancing network availability and minimizing downtime associated with planned software updates.
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