Em Thu, Mar 01, 2001 at 03:31:24PM +0000, Petr Vandrovec escreveu:
> On 28 Feb 01 at 21:22, Arnaldo Carvalho de Melo wrote:
> > Em Wed, Feb 28, 2001 at 09:54:52PM +0100, J.R. de Jong escreveu:
>
> > > phone call from the IT ppl. isn't very efficient. Moreover, I prefer
> > > testing at night so I won't be a bother to the network when ppl. are
> > > actually using it. I guess I need some monitoring tool like tcpdump
> > > (doesn't really provide any useful IPX output) or netdiag. Suggestions?
>
> Send 64 bytes of zeroes packet with source XXXXXXXX:YYYYYYYYYYYY/0455 to
> 00000000:FFFFFFFFFFFF/0455 [sipx_type=0x14]. All machines which respond
> and are not routers should be verified. And if broadcast storm does not
> cease to exist in few seconds, it is time to visit your routers and
> switches and hit poweroff button... And then ban all machines which
> participated as senders of these frames...
Nice, I'm putting this on my TODO list: to create simple test utilities to
detect these cases, as a binary or as scripts that use existing packet
generating utilities coupled with tcpdump, of course, if there are
volunteers to do this, they're more than welcome 8)
> > into account of Petr told us earlier, I think that I'm getting the grasp on
> > this pprop thing, sorry for being so slow 8)
>
> Patch looks OK.
thanks for the review
> > packet to make the protocol smart (the shared skb thing, related to tcpdump
> > being able to get the packet as they come thru the wire, with the protocol
> > stacks not changing it while in transit), now we don't change nothing in
>
> Can't we use skb_unshare()?
probably, I'll check later today, after daytime job
> > the received packets, maybe we need to change it before handing it up to
> > sock_queue_rcv_skb in ipxitf_def_skb_handler, well, I'm learning, lets see
> > if I manage to fully understand this before commiting any mistake 8) As
> > always, I'm all ears to people with more insight on net stacks, like Petr,
> > thats helping me a lot, thank you!
>
> I do not think that I have more insight on the net stacks in Linux.
ok, ok, at least better than me at this point :) Anyway, thank you again
for the reviews and suggestions.
> Best regards,
> Petr Vandrovec
> vandrove@vc.cvut.cz
>
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- Arnaldo
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