Setting the MSS Value for a TCP Connection

The minimum MSS value and maximum MSS value can be configured for TCP connections.

Context

Setting a minimum MSS value for a TCP connection defines the smallest TCP packet size, preventing DoS attacks caused by packets with small MSS values.

Setting a maximum MSS value for a TCP connection defines the largest TCP packet size, allowing TCP packets to be successfully forwarded by intermediate devices when no MTU is available.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run tcp min-mss minmss-val

    A minimum MSS value is configured for a TCP connection.

  3. Run tcp max-mss maxmss-val

    A maximum MSS value is configured for a TCP connection.

    The maximum MSS value configured using the tcp max-mss command must be greater than or equal to the minimum MSS value configured using the tcp min-mss command.

  4. Run commit

    The configuration is committed.

Parent Topic: Configuring TCP
Copyright © Huawei Technologies Co., Ltd.
Copyright © Huawei Technologies Co., Ltd.
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