Broadcom tg3 NIC module stops responding when using jumbo frames (large MTU)
Issue
- Broadcom tg3 NIC module stops responding when using jumbo frames (large MTU).
- Setting a larger MTU stops tg3 based NICs from sending or receiving traffic.
- Under certain circumstances when MTU is set > 1500 the NIC drops all frames > 1500 bytes.
Environment
- Red Hat Enterprise Linux 6
- tg3 module
- Broadcom NetXtreme NIC
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