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    Configuring Telnet Service for Remote Access to a Switch

    Telnet provides unencrypted access to network devices. Configuring Telnet service for a switch enables in-band remote access to the switch.

    By default, the switch supports a limited number of simultaneous Telnet sessions and connection attempts per minute. Optionally, you can change the default Telnet settings by configuring the connection limit and rate limit at the [edit system services telnet] hierarchy level.

    The connection limit is the maximum number of simultaneous connections per protocol (IPv4). The range is from 1 through 250. The default is 75.

    The rate limit is the maximum number of connection attempts accepted per minute per protocol. The range is from 1 through 250. The default is 150.

    To configure Telnet service:

    1. To specify the connection limit:
      [edit system services]user@switch# set telnet connection-limit connection-limit
    2. To specify the rate limit:
      [edit system services]user@switch# set telnet rate-limit rate-limit
    3. Check that the Telnet connection limit and rate limit show the values you specified:
      [edit system services]user@switch# show
      telnet {connection-limit 50;rate-limit 100;}

    Modified: 2016-09-19