Re: Weird problem: dropping packets bozothedeathmachine wrote:
> Hi all. I have a Netra440 with 10 interfaces, the 2 onboard + 2 cards
> with 4 interfaces each. I have ce2 & ce6 setup for multipathing
> failover. I'm dropping packets on ce2, but when I failover I don't on
> ce6. I'm really stumped about the network dropping packets. It seems
> to be localized to a logical interface on the OCS.
>
> The interfaces are connected to a switch, which is connected to a
> router.
>
> I have tried to change everything in between but it's still dropping:
> The tests I ran included:
> 1) Changed the physical interface to ce2 - moved the cable to another
> unused interface on the server. Eliminates possbility it's the network
> card interface
> 2) Changed cables - eliminates bad cable possbility
> 3) Changed ports on switch - elimates chance it's a bad port on the
> router.
> 4) Failed over to redundant interface. ce2 and ce6 are configured as
> redunant interfaces. If I pull the cable on ce2 then ce6 comes up with
> the same IP. When I do this I can run a ping test I get no dropped
> packets to ce6. This is the part that doesn't make any sense to me. I
> don't see how it's possible for dropped packets to be linked to a
> logical interface like that.
>
> At the beginning of the tests I was manually setting ce2 to 100/full
> with no autonegotiate. I did the same on the switch, but not on ce6. I
> could remove the manual configuration on ce2, but I don't know what
> that would gain.
>
> Please help!
>
> Thanks,
> Ben..
>
Try letting your interfaces autoconfigure. In most situations it is the
recommended and supported way to get it right.
Some older hardware has problems with autoconfiguration. Only if you
are SURE that this is the case with your hardware should you configure
manually. |