Asr 5500 System Administration Guide, Staros Release 21.4 - Cisco ASR 5000 Series Administration Manual

Interchassis Session Recovery
Updating the Operating System
Enabling the Demux on MIO/UMIO/MIO2 feature changes resource allocations within the system. This
Caution
directly impacts an upgrade or downgrade between StarOS versions in ICSR configurations. Contact Cisco
TAC for procedural assistance prior to upgrading or downgrading your ICSR deployment.
Figure 29: ICSR Software Upgrade – Part 1

ASR 5500 System Administration Guide, StarOS Release 21.4

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