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  3. AR# 40898: LogiCORE IP 10-Gigabit Ethernet MAC v11.1 - When Inband FCS and WAN or IFG Delay are enabled, extra bytes of IFG are occasionally transmitted

AR# 40898

LogiCORE IP 10-Gigabit Ethernet MAC v11.1 - When Inband FCS and WAN or IFG Delay are enabled, extra bytes of IFG are occasionally transmitted

Description

Currently, when Inband FCS is enabled and back-to-back frames are being transmitted, extra IFG bytes could be transmitted:

  • When WAN mode is on, the 10-Gigabit Ethernet MAC v11.1 occasionally transmits an extra 4 to 8 bytes of IFG with Inband FCS.
  • When IFG delay is used, the 10-Gigabit Ethernet MAC v11.1 occasionally transmits an extra 4 to 8 bytes of IFG with Inband FCS.

Solution

This issueis being investigated for a fix in a future revision of the core.

Linked Answer Records

Master Answer Records

Answer Number Answer Title Version Found Version Resolved
40628 LogiCORE IP 10-Gigabit Ethernet MAC v11.1 (AXI) - Release Notes and Known Issues for ISE Design Tools 13.1 N/A N/A
AR# 40898
Date 12/15/2012
Status Active
Type General Article
IP
  • 10 Gigabit Ethernet Media Access Controller
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