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dell s4128 vlt is intermittent when lacp to core

Hi all, i have 2 TOR switch s4128 for vxrail, and it's connected to HP 5400r zl2 core switch.

Each TOR has 2 pors to the core, and it's LACP, the problem is every time there's a traffic between TOR and core, it's always intermittent.

But if I released LACP it's normal.

Any solutions for thst case?

Thankyou.

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Moderator
Moderator

Re: dell s4128 vlt is intermittent when lacp to core

Hi,

Is the firmware up to date? Does show lacp interface show that it is up? Is LACP fallback configured? Page 182 https://topics-cdn.dell.com/pdf/networking-s5148f-on_connectivity-guide4_en-us.pdf

Thanks,
Josh Craig
Dell EMC Enterprise Support Services
Get support on Twitter @DellCaresPRO
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diptahutomo
1 Copper

Re: dell s4128 vlt is intermittent when lacp to core

Yes, it's using latest firmware, 10.4.2.1.

All LACP links are up.

I just enable LACP fallback, but there's still a packet loss.

In show int port-channel, there's discharged packets on output statistics.

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Moderator
Moderator

Re: dell s4128 vlt is intermittent when lacp to core

Hi,

Does show vlt 1 vlt-port-detail show that vlt is up? Can you private message me the service tag?

Thanks,
Josh Craig
Dell EMC Enterprise Support Services
Get support on Twitter @DellCaresPRO
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