[j-nsp] Interesting EX4200 gotcha and "resolution"

[Tima Maryin]

On 25.09.2011 23:36, Jeff Wheeler wrote:
>
> In this case, a malfunctioning EX4200 (10.4R4.5) appears to have valid
> ARP entries for a few boxes, but when you try to ping them, etc. the
> boxes do not get any traffic.  In fact, they receive nothing from the
> switch except ARP who-has.  They respond, and upon clearing the ARP
> entries from the EX4200, that process repeats.

skip

> Our "fix" is to remove 192.0.2.1/27 from the vlan.1122 configuration,
> commit, and then rollback.  This is obviously not good.


We've experienced similar issue several times with some of our 4200-48Ts 
running the same 10.4R4.5.


Did you try to upgrade to 10.4R7 ?