System Setup and Software Installation Guide for Cisco NCS 1004

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System Setup and Software Installation Guide for Cisco NCS 1004

Configure the Telnet server access on NCS 1004

Updated: October 6, 2026

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Use this procedure to configure the Telnet server on NCS 1004 and verify connectivity by establishing a Telnet session to the management interface.

Enable and configure the Telnet server on NCS 1004, specify the maximum allowed connections, and verify server accessibility.

Telnet allows remote access for management and troubleshooting. By default, Telnet is disabled on NCS 1004 systems.

Procedure

  1. Enter configuration mode.

    Example:

    RP/0/RP0/CPU0:ios# configure

    Enters the configuration mode.

  2. Use the telnet {ipv4 | ipv6} server max-servers limit command to specify the number of allowable Telnet servers.

    Example:

    RP/0/RP0/CPU0:ios(config)# telnet ipv4 server max-servers 10

    This command specifies the number of allowable Telnet servers (up to 100). By default, Telnet servers are not allowed. You must configure this command to enable Telnet servers.

  3. Use the commit or end command.

    • commit — saves the configuration changes and remains within the configuration session.

    • end — prompts you to save (Yes), discard (No), or stay in the session (Cancel).

The Telnet server is enabled on NCS 1004, allowing remote connections according to your configured session limit.