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dropped packets on 4 or more equal cost paths using ospf

mark320i
Level 1
Level 1

Using 4 10G links between 6509s. If I only have three connections active everything is good, once I bring up the 4th interface I start dropping packets and getting out of sequence errors. Doesn't matter which three I select or which connection is the primary I still have the same issues? Using sup 720-3b and f6700-dfc3c cards. 12.2-33sxj1 iOS. Any thoughts?

2 Replies 2

Jon Marshall
Hall of Fame
Hall of Fame

Only thought that occurs is are you getting any oversubscription when you bring up the 4th link ie. which module(s) are you running these links on ?

Jon

Turned out to be a fiber issue.

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