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The "show interface" command reports giants on trunks in Cisco Catalyst 6500 switches running Cisco IOS

TCC_2
Level 10
Level 10

‎06-22-2009 05:31 PM - edited ‎03-01-2019 04:10 PM

Core issue

A Cisco Catalyst 6000 Series switch running Cisco IOS  Software version 12.2(14)SX or 12.2(17a)SX can report giants on dot1q-tagged packet sizes that are greater than 1496 bytes. This problem is seen on 67xx series line cards.

Resolution

This issue is due to Cisco bug ID CSCed42859.

This issue does not affect the performance of the switch, and is purely cosmetic.

There is no workaround. To resolve this issue, upgrade the Cisco IOS version on the switch to 12.2(18)SXD and later releases, which are available from LAN Switching Software.

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