Messages in this thread | | | From | nick@snowman ... | Date | Mon, 3 Jun 2002 19:56:34 -0400 (EDT) | Subject | Re: Loosing packets with Dlink DFE-580TX and SMC 9462TX |
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There are at least some gigabit ethernet hubs on the market. How badly does it handle collisions? Nick
On 3 Jun 2002, Marcus Sundberg wrote:
> Benjamin LaHaise <bcrl@redhat.com> writes: > > > What version of ns83820.c are you using? Version 0.17 of ns83820.c > > made significant improvements under load. Other possibilities include > > cabling problems (watch the kernel logs for changes in link state). > > Try to find out where the packets are getting dropped by looking > > through /proc/net/snmp and other statistics counters in the kernel. > > 0.17, but some more testing showed that the ns83820 actually works > just fine during this test when using just crossover cables and > running at gigabit speed. The original testing was done using > 100Mbit hubs, so my guess would be that the 83820 chips (and/or > driver) doesn't handle collisions too well (which I don't have a > problem with, as afaik GE is always switched). > > However the DFE-580TX problems remain regardless of using a hubbed > or switched network. > > (As booth eepro100 and tulip-based cards works fine with the hubs > I'm quite certain there's nothing wrong with them.) > > //Marcud > -- > ---------------------------------------+-------------------------- > Marcus Sundberg <marcus@ingate.com> | Firewalls with SIP & NAT > Firewall Developer, Ingate Systems AB | http://www.ingate.com/ > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >
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