Table of Contents
Advertisement
Unified ISSU Initialization Phase Overview ....................................................63
Application Data Upgrade on the Standby SRP Module ...........................64
SNMP Traps ............................................................................................65
Unified ISSU Upgrade Phase Overview ..........................................................66
Exceptions During the Upgrade Phase ....................................................67
Verifications of Requirements .................................................................68
Upgrade Setup ........................................................................................68
Line Module Arming .........................................................................69
Line Module Control Plane Upgrade .................................................69
SRP Module Switchover ....................................................................69
Line Module Forwarding Plane Upgrade ...........................................70
Unified ISSU Service Restoration Phase Overview .........................................71
Application Support for Unified ISSU .............................................................71
ISSU ........................................................................................................80
Unexpected ATM Behavior During Unified ISSU ............................................80
ILMI Sessions Not Maintained .................................................................80
OAM CC Effects on VCC ..........................................................................80
OAM VC Integrity Verification Cessation .................................................81
Port Data Rate Monitoring Cessation ......................................................81
VC and VP Statistics Monitoring Halts Unified ISSU Progress ..................81
Unexpected DHCP Behavior During Unified ISSU ..........................................81
DHCP Packet Capture Halted on Line Modules .......................................81
Unexpected Ethernet Behavior During Unified ISSU ......................................82
ARP Packets Briefly Not Sent or Received ...............................................82
Link Aggregation Interruption .................................................................82
Port Data Rate Monitoring Halted ...........................................................83
VLAN Statistics Monitoring Halts Unified ISSU Progress ..........................83
ISSU ........................................................................................................86
Configuring Graceful Restart Before Unified ISSU Begins ........................86
Instability .........................................................................................87
ISSU ........................................................................................................88
Configuring Graceful Restart Before Unified ISSU Begins ........................88
Configuring a Longer Dead Interval Than Normal ...................................89
Instability .........................................................................................89
Unexpected Suspension of PIM During Unified ISSU .....................................90
ISSU ........................................................................................................90
Subscriber Statistics Accumulation or Deletion .......................................90
Unexpected SONET and SDH Behavior During Unified ISSU .........................91
Unexpected T3 Behavior During Unified ISSU ...............................................91
Unavailability of TACACS+ Services During Unified ISSU .............................92
Table of Contents
xi
Table of Contents
Advertisement
Table of Contents
Need help?
Do you have a question about the SERVICE AVAILABILITY - CONFIGURATION GUIDE V 11.1.X and is the answer not in the manual?
Questions and answers