External Interfaces on a C Series Controller Overview

The C Series Controller provides the following interfaces:

Tunnel Interfaces

A tunnel allows direct connection between a remote location and an application running on the C Series Controller; a tunnel lets you use the redirect server in deployments where a router running JunosE Software does not have a direct connection to the C Series Controller.

The C Series Controller supports the following types of tunnel interfaces:

The other endpoint for the tunnel on a device must be configured for the tunnel to be operational.

The local address of a tunnel connection is an IP address that is configured for a unit (logical interface). Before you configure a tunnel interface, configure the interface on the C Series Controller.

See Configuring Gigabit Ethernet Interfaces for IPv4 (SRC CLI).

Ethernet Redundancy

Group interfaces let you aggregate network interfaces into a single logical interface to support Ethernet redundancy. The group interfaces provide either hot standby or load-balancing services.

When you configure group interfaces, be aware of the following restrictions:

You can group interfaces in the following modes:

You can monitor link integrity with the MII monitor.

The MII monitor monitors only the carrier state of the local network interface. The MII monitor does not provide a high level of detection for end-to-end connectivity failures.

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