How do you troubleshoot your RADIUS setup? In this video, explore port usage and default configurations.
- [Tutor] Now let's take a look at troubleshooting radius. … Most of the principles we've looked … at for TACACS Plus troubleshooting apply here as well. … But for completion, let's look specifically … at our radius configuration output, starting … with making sure that the radius server … is correctly identified by IP address. … We can see the server configured here as radius one. … Let me highlight those lines, … so we see that's been given the name radius one … and we can also see it has an IP address … of 126.96.36.199. … So again, if we've incorrectly configured this IP address, … our radius communication will not work. … You can also try to telnet … to reach the radius port numbers used … for services just as you can with TACACS Plus … With Cisco, radius uses port 1645 … by default for authentication and 1646 … for accounting. … Radius also uses ports 1812 … and 1813, … so your radius server might default to those. … This is a place that you'll definitely want to check … out your server settings …
This course was created by Kevin Wallace Training. We are pleased to offer this training in our library.
- MPLS overview
- DMVPN overview
- AAA troubleshooting
- IPv6 traffic filters
- Control plane policing
- IPV6 neighbor discovery inspection
- IPv4 ACL troubleshooting