Perl 6 - the future is here, just unevenly distributed

IRC log for #rosettacode, 2011-09-10

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All times shown according to UTC.

Time Nick Message
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16:55 * TimToady can't get to prgmr1 again; just hangs in "Connecting..."
16:57 mikemol ugh
16:58 mikemol ping and wget work from here.
16:58 mikemol (here being my home system)
16:59 TimToady no ping here
17:00 TimToady last traceroute link is:
17:00 TimToady 11  72.13.81.197 (72.13.81.197)  86.818 ms  86.933 ms  87.454 ms
17:00 mikemol Hm. traceroute reaches you just fine after 17 hops.
17:00 mikemol Hm. Might have some routing issues going on.
17:00 TimToady you mean wall.org?
17:00 TimToady or appflux?
17:00 mikemol I mean 209.9.237.164, which is what I get if I /whois TimToady
17:01 mikemol I just got an email from someone changing a page on the wiki.
17:02 TimToady I'm coming from wall.org, not appflux.net
17:02 TimToady appflux is only my irc host
17:02 mikemol Hm. I get ICMP destination host unreachable errors when I try to ping you.
17:02 TimToady appflux can ping RC
17:03 sorear huh.  Non-transitive connectivity?
17:03 TimToady so something is throwing out my packets from home, it seems
17:03 mikemol Hm
17:03 TimToady can you traceroute 71.139.31.155?
17:03 mikemol Might have a clue.
17:04 mikemol I bet I can't get to *anything* on 71.0.0.0/8.
17:04 mikemol Don't know how this got in there, but: inet 71.19.147.227/8 brd 71.255.255.255 scope global eth0
17:04 mikemol That's right next to a 71.19.147.227/24 scope global eth0
17:04 mikemol My server isn't sending packets to the gateway, because it thinks you're local.
17:04 TimToady cool!
17:05 TimToady you'd think if it were going to guess class A/B/C it would have used /16, so probably not that
17:06 mikemol eth0 is statically configured, with a netmask of 255.255.255.0. However, it didn't have a broadcast address defined. I'm adding the correct broadcast address and restarting the interface.
17:08 sorear Does anyone use non-monotonic netmasks?
17:08 mikemol That didn't fix it. So I removed the bad ip entry on the interface using 'ip -4 addr del dev eth0 71.19.147.227/8'
17:08 TimToady pings now
17:08 mikemol sorear: If I understand you correctly, yes I do. (At home)
17:09 mikemol I've got my home network split into /27s.
17:09 mikemol TimToady: I'm going to restart the server, to make sure the interface comes up properly on reboot.
17:10 TimToady k
17:11 shortcircuit joined #rosettacode
17:11 shortcircuit Connected from prgmr2
17:12 shortcircuit Looks like it came up correctly.
17:12 TimToady back in business
17:13 TimToady thanks
17:13 shortcircuit I think it was the missing 'broadcast' directive in /etc/interfaces.
17:13 TimToady er, danke schön!
17:13 shortcircuit np
17:14 * TimToady has no clue what /etc/interfaces is, a xen thing?
17:14 shortcircuit er
17:14 shortcircuit /etc/network/interfaces
17:14 shortcircuit typo/thinko
17:14 sorear shortcircuit: I mean netmasks like 255.0.255.0
17:15 shortcircuit sorear: ah. Not AFAIK. I'm not sure they're actually supported.
17:15 sorear shortcircuit: every netmask I've seen is of the form ~((1 << N) - 1) where 0 <= N <= 32
17:15 TimToady interesting question
17:15 shortcircuit Which, of course, brings to mind the question why we don't just represent netmasks as a 6-bit unsigned integer.
17:15 shortcircuit er. 7-bit.
17:16 TimToady I can imagine a private 10.*.*.* set up with some kind of crossbar though
17:16 sorear shortcircuit: 5 bit
17:16 shortcircuit sorear: IPv6 uses 128-bit addresses, so you'd need 7 bits to get all of that.
17:16 Hypftier sorear: IPv4 allows non-prefix networks, IPv6 not anymore, though
17:17 TimToady that is, if you're using IP address two-dimensionally, you might want such a thing
17:17 Hypftier But you can't retroactively cancel support for them in a widely-deployed protocol :)
17:17 * shortcircuit wants to know why irssi won't connect to freenode on prgmr1.
17:17 shortcircuit ah
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17:18 shortcircuit I think I see it. Not going to worry about it for now.
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18:03 * shortcircuit is growing weary of this.
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