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Cisco Bug: CSCul03787 - ISDN Link - Auto pairing will not work with MTU size below 1280

Last Modified

May 07, 2014

Products (1)

  • Cisco TelePresence ISDN Link

Known Affected Releases

1.0.0 1.1.0

Description (partial)

Since auto pairing will use IPv6 during the communication between codec and ISDN link MTU size can be limitted to minimum 1280.

Setting MTU size below 1280 will cause ISDN Link and codec to fail communication.

ISDN Link IL 1.1 (1.0)
Codec TC 6.x
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