You can get ignores if your duplex doesn't match your switch on the
fe.
that's my ideas for the day for you. :)
- Jared
On Thu, Sep 10, 1998 at 05:13:04PM -0500, Dave Bergum wrote:
> We have been working with TAC on a 1-3% packet loss problem we are having
> with a C7507, and I wanted to see if anyone had any ideas here, or had run
> into this type of problem. This is an RSP/4 with 160M. We are running
> 11.1(20)CA1. It has two VIP2-40's, each with two PA-H port adapters, (4
> HSSIs total), an FEIP, an EIP-6 just for some handy ethernet ports, and an
> AIP. Its doing bgp and ospf. Thypical processor load is 28%. We were
> seeing lots of ignores on the HSSI and FE interfaces, lots being 1-3%, and
> at times we would lose three or four keepalives in a row, and drop the line
> protocol. We are forwarding about 35,000 pps (adding up all the ins and
> outs and dividing by 2). We have swapped out all the hardware, thinking
> that if the box is having pain at 35,000 pps there must be something
> broken. That did not help. Yesterday we set the mtu to 1500 on the local
> HSSI point-to-points and that helped the hssi ports grandly. However, we
> still see a lot of ignored packets on the FE port.
>
> We are doing flow/distributed switching.
>
> None of the ports is maxing out bandwidth, but they are mostly pretty busy,
> around 50%.
>
> Are we just hitting the performace limit of this box? does anyone have any
> ideas or experience they could share?
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