Introduction
This article is to compare the VDS-IS redirection method with the packet capture:
- Router Fully Qualified Domain Name (RFQDN) Redirection
- DNS Redirection
Prerequisites
Components Used
1 x Service Router
1 x Service Engine
1 x Client
Configure
Network Diagram
1. RFQDN Redirection
2. DNS Redirection
Configurations
1. RFQDN Redirection is the default configuration.
SR#sh service-router redirect-mode
ip-redirect is not enabled
DNS Redirection is not configured!
2. DNS Redirection
SR(config)#service-router redirect-mode dns-redirect <domainname.com>
SR#sh service-router redirect-mode
ip-redirect is not enabled
dns-redirect domain <domainname.com>
Verify
1. RFQDN Redirection
DNS Request
HTTP Request
WGET Output
2. DNS Redirection
DNS Request
HTTP Request
WGET Output
Note:
Please note the device name for the Service Router in the example is cde-205-a-sr, the domain name is smooth.cdn1.apac-video.cisco.com