Configuring Route Health Injection - Cisco CATALYST 6000 Installation And Configuration Note
Catalyst 6000 series content switching module
Hide thumbs
Also See for CATALYST 6000:
- Manual (52 pages) ,
- Product bulletin (4 pages) ,
- Installation note (18 pages)
Table of Contents
Advertisement
To specify the domain name resolve request, perform this task:
Command
Step 1
Router(config)# ip slb probe probe-name dns
Step 2
Router(config-slb-probe-dns)# [expect |
failed | interval | retries | receive]
1.
Configuring Route Health Injection
These sections describe the route health injection (RHI):
•
•
Understanding RHI
These sections describe the RHI:
•
•
•
•
•
RHI Overview
RHI allows the CSM to advertise the availability of a VIP address throughout the network. Multiple
CSM devices with identical VIP addresses and services can exist throughout the network. One CSM can
override the load-balancing services over the other devices if the services are no longer available on the
other devices, or one CSM can provide the services because it is logically closer to the client systems
than other server load-balancing devices.
RHI is restricted to intranets because the CSM advertises the VIP address as a host-route and most
Note
routers do not propagate the host-route information to the Internet.
To enable RHI, configure the CSM to do the following:
•
•
78-11631-02 Rev. A0
The no form of this command restores the defaults.
Understanding RHI, page 51
Configuring RHI for Virtual Servers, page 53
RHI Overview, page 51
Routing to VIP Addresses Without RHI, page 52
Routing to VIP Addresses With RHI, page 52
Understanding How the CSM Determines VIP Availability, page 53
Understanding Propagation of VIP Availability Information, page 53
Probe real servers and identify available virtual servers and VIP addresses
Advertise accurate VIP address availability information to the MSFC whenever a change occurs
Catalyst 6000 Family Content Switching Module Installation and Configuration Note
Configuring Route Health Injection
Purpose
Configure an DNS probe and enter the tcp probe
1
submode
.
Configure times to wait between probes to make
a DNS connection, to receive a reply from the
server, and to limit the number of retries before
considering the real server as failed.
51
Advertisement
Chapters
Table of Contents
