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Client with mac address d88f.7670.02b8 cannot be added because of Excessive Hash Collision.

Hi there, more than year we have some incredible problem
we have 
WS-C3850-24P with 10xAIR-CAP3702E-E-K9

Every week we need to reset switch because of CGM-4-HASH_COLLISION
or my clients need to change mac addresses, reload solves the problem temporary .

i can't find any info about this pls help

here are some logs 

 

 

2019-05-02T14:52:25.862022+04:00 192.168.99.2 11763: May  2 10:52:25.859: %CGM-4-HASH_COLLISION:Switch 1 R0/0: fed:  Client with mac address d88f.7670.02b8 cannot be added because of Excessive Hash Collision.

2019-05-02T14:52:56.835654+04:00 192.168.99.2 11768: May  2 10:52:56.834: %CGM-4-HASH_COLLISION:Switch 1 R0/0: fed:  Client with mac address dc08.0f4c.485e cannot be added because of Excessive Hash Collision.

2019-05-02T14:59:41.146077+04:00 192.168.99.2 11843: May  2 10:59:41.142: %CGM-4-HASH_COLLISION:Switch 1 R0/0: fed:  Client with mac address 3853.9c1f.5e8d cannot be added because of Excessive Hash Collision.
1 Accepted Solution

Accepted Solutions

marce1000
VIP
VIP

 

 - Could be a software bug, try a more recent release for your platform, if applicable.

 M.



-- Each morning when I wake up and look into the mirror I always say ' Why am I so brilliant ? '
    When the mirror will then always repond to me with ' The only thing that exceeds your brilliance is your beauty! '

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2 Replies 2

marce1000
VIP
VIP

 

 - Could be a software bug, try a more recent release for your platform, if applicable.

 M.



-- Each morning when I wake up and look into the mirror I always say ' Why am I so brilliant ? '
    When the mirror will then always repond to me with ' The only thing that exceeds your brilliance is your beauty! '

Leo Laohoo
Hall of Fame
Hall of Fame
That's a bug. Raise a TAC Case and get TAC to verify.
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