On Which Slots Are RSP Cards Are Inserted in Cisco Are 9010?

Cisco Router and Security Device Manager (RADIUS) is an industry-standard protocol used to manage user access to network resources. RADIUS is a client/server protocol that runs in the application layer, providing centralized management and control of user access to network resources. Cisco IOS devices can act as either a RADIUS client or server.

When configured as a RADIUS server, Cisco IOS devices can authenticate and authorize remote user access to the network. RADIUS clients send user authentication and authorization requests to the RADIUS server, which then validates the request and responds accordingly.

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In order for a Cisco IOS device to act as a RADIUS client, you must configure it with the IP address of at least one RADIUS server. You can configure multiple RADIUS servers for redundancy purposes.

When configuring multiple RADIUS servers, you can specify an order of precedence in which the device will attempt to contact each server. If the first server is unavailable, the device will attempt to contact the second server, and so on.

RADIUS servers are typically deployed in pairs for high availability. In this configuration, one server is designated as the primary server while the other is designated as the backup server.

The backup server only comes into play when the primary server is unavailable. This ensures that there is always a working RADIUS server available to authenticate and authorize user access to network resources.

Cisco IOS devices can also act as a RADIUS proxy. In this configuration, the Cisco IOS device forwards RADIUS requests it receives from clients to one or more configured RADIUS servers.

The proxy mode is typically used when the Cisco IOS device is located behind a firewall and is unable to communicate directly with the RADIUS servers.

The RSP cards are inserted into Cisco 9010 routers in order to provide support for high-speed WAN connections. The RSP cards are designed for use with SONET/SDH networks and provide support for data rates up to 10 Gbps.

The RSP cards are also compatible with ATM networks and can be used to connect Cisco 9010 routers to ATM switches.