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Cisco Bug: CSCup24172 - Android 4.4.3+ bug System config settings could not be applied MTU<1280

Last Modified

Jul 26, 2019

Products (1)

  • Cisco AnyConnect Secure Mobility Client

Known Affected Releases


Description (partial)

Due to regression in Android 4.4.3 ( ID#70916), VPN connections will fail to connection if the tunnel MTU is lower than 1280
Message displayed to end user is: "System configuration settings could not be applied. A VPN connection will not be established."

Android 4.4.3
Administrator has set MTU for Android users to be lower than 1280.
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