Contents
vi
Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide
OL-16506-11
ISSU Procedures (Prior to Cisco IOS XE Release 2.1.2) 74
Using ISSU to Perform a Consolidated Package Upgrade in a Dual Route Processor Configuration
(Prior to Cisco IOS XE 2.1.2)
75
Using ISSU to Upgrade SubPackages (Prior to Cisco IOS XE Release 2.1.2) 75
Upgrade Process With Service Impact for Nonredundant Platforms 76
Configuring SSO on a Cisco ASR 1001, Cisco ASR 1002, or Cisco ASR 1004 Router 77
Using SubPackages for Software Upgrade on a Cisco ASR 1001 Router 79
Using SubPackages for Software Upgrade on a Cisco ASR 1002 or Cisco ASR 1004 Router
(software upgrade Command Set)
94
Using SubPackages for Software Upgrade on a Cisco ASR 1002 or Cisco ASR 1004 Router
(request platform Command Set)
119
Additional References 141
Related Documents 142
Standards 142
MIBs 142
RFCs 142
Technical Assistance 142
Feature Information for Software Upgrade Process 143
High Availability Overview 1
Finding Feature Information in This Module 1
Contents 1
Hardware Redundancy Overview on the Cisco ASR 1000 Series Routers 2
Software Redundancy on the Cisco ASR 1000 Series Routers 3
Software Redundancy Overview 4
Second IOS Process on a Cisco ASR 1002 or 1004 Router 4
Route Processor Redundancy 5
Stateful Switchover 5
SSO-Aware Protocol and Applications 6
IPsec Failover 6
Bidirectional Forwarding Detection 6
Additional References 7
Related Documents 7
Standards 7
MIBs 7
RFCs 7
Technical Assistance 7
Feature Information for High Availability Overview 8
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