Contents
xxi
Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
RFCs 25-21
Technical Assistance 25-21
Feature Information for MLPPP 25-22
CHAPTER
26 Onboard Failure Logging 26-1
Contents 26-1
Understanding OBFL 26-1
Configuring OBFL 26-2
Verifying OBFL Configuration 26-2
CHAPTER
27 Hot Standby Router Protocol and Virtual Router Redundancy Protocol 27-1
Finding Feature Information 27-1
Contents 27-1
Information About HSRP and VRRP 27-2
Overview of HSRP and VRRP 27-2
Text Authentication 27-2
Preemption 27-2
How to Configure HSRP 27-3
Configuring HSRP 27-3
Restrictions 27-3
Configuration Examples for HSRP 27-5
Example: Configuring HSRP Active Router 27-5
Example: Configuring HSRP Backup Router 27-5
Example: HSRP Text Authentication 27-6
How to Configure VRRP 27-6
Configuring VRRP 27-6
Restrictions 27-6
Configuration Examples for VRRP 27-8
Example: Configuring a VRRP Master Router 27-8
Example: Configuring a VRRP Backup Router 27-8
Example: VRRP Text Authentication 27-9
Where to Go Next 27-9
Additional References 27-9
Related Documents 27-9
Standards 27-9
MIBs 27-10
RFCs 27-10
Technical Assistance 27-10