Re: Redundant AS's

2009-03-22 Thread Lyndon Nerenberg
Autonomous systems will be assigned 16-bit identification numbers (in much the same ways as network and protocol numbers are now assigned), and every EGP message header contains one word for this number. Was that a 36-bit word? --lyndon I think 3B2 code deserves its own place

Re: Redundant AS's

2009-03-22 Thread Robert E. Seastrom
bmann...@vacation.karoshi.com writes: > On Sun, Mar 22, 2009 at 10:56:06PM +, Nick Hilliard wrote: >> On 21/03/2009 16:36, bmann...@vacation.karoshi.com wrote: >> >er... 'parm me sir, but aren't -all- ASNs 4 bytes? >> > >> >i mean, for lo these many years we cheated and only >> >u

Re: Redundant AS's

2009-03-22 Thread bmanning
On Sun, Mar 22, 2009 at 10:56:06PM +, Nick Hilliard wrote: > On 21/03/2009 16:36, bmann...@vacation.karoshi.com wrote: > > er... 'parm me sir, but aren't -all- ASNs 4 bytes? > > > > i mean, for lo these many years we cheated and only > > used the first two bytes... but the spec alw

Re: Akamai wierdness

2009-03-22 Thread Patrick W. Gilmore
Belive it or not, n...@akamai.com is a real address which is read and responds 24/7. Perhaps using the RFC required address would be more productive than e- mailing 10k strangers? -- TTFN, patrick Sent from my iPhone 3-J, please excuse any errors. (That's 3-Jezuz for the uninitiated.) On

Re: Akamai wierdness

2009-03-22 Thread John Palmer (NANOG Acct)
Its something to do with Akamai in Chicago. Been flakey all day. - Original Message - From: "Paul Stewart" To: "John Palmer (NANOG Acct)" Cc: "NANOG list" Sent: Sunday, March 22, 2009 7:05 PM Subject: RE: Akamai wierdness Hi there.. Chicagotribune.com is coming up from here (Toron

RE: Akamai wierdness

2009-03-22 Thread Paul Stewart
Hi there.. Chicagotribune.com is coming up from here (Toronto area) but very slow loading suntimes.com loads nice and fast from here. Having said that, we're an Akamai powered network here so presume most/all is coming from local caches didn't break down each page to see sources... Paul

Re: REVERSE DNS Practices.

2009-03-22 Thread Tom Wright
On 21/03/2009, at 11:30 PM, bmann...@vacation.karoshi.com wrote: if you really don't care about the actual node, then you should map the numbers to topologically significant names - after all, the reverse map follows topology, not some goofball - layer 9 - ego trip thing. Agreed - and its

Akamai wierdness

2009-03-22 Thread John Palmer (NANOG Acct)
Most of the sites served by Akamai seem to be wacky this afternoon from Chicago. Probably the March Madness stuff, but its really bad today - Chicagotribune.com wont load at all from here and SunTimes.com is missing all of its images. Are others seeing this problem from other locations? Gettin

Re: Redundant AS's

2009-03-22 Thread Alex H. Ryu
Not all of Cisco IOS supports 4-byte ASN. http://www.cisco.com/en/US/prod/collateral/iosswrel/ps6537/ps6554/ps6599/data_sheet_C78-521821.html Alex Nick Hilliard wrote: > On 21/03/2009 16:36, bmann...@vacation.karoshi.com wrote: >> er... 'parm me sir, but aren't -all- ASNs 4 bytes? >> >> i mean,

Re: Redundant AS's

2009-03-22 Thread Nick Hilliard
On 21/03/2009 16:36, bmann...@vacation.karoshi.com wrote: er... 'parm me sir, but aren't -all- ASNs 4 bytes? i mean, for lo these many years we cheated and only used the first two bytes... but the spec always called out four bytes. There seems to be a bug in my

Re: AS path weirdness

2009-03-22 Thread Christian Koch
a private asn in (parentheses) indicates a bgp confederation, i would tend to think that there is some sort of mis-config or software bug in one of the routers in that path thats leaking it On Sun, Mar 22, 2009 at 7:51 AM, Jason Lewis wrote: > I was under the impression that MRT only used bracket

Re: AS path weirdness

2009-03-22 Thread Jason Lewis
I was under the impression that MRT only used brackets for sets. eg. [ASNUM] Thanks for taking a look. jas James Aldridge wrote: > Jason Lewis wrote: >> I'm not entirely sure what I'm looking at. The reserved AS, 65490 >> appears in parentheses and I've never seen that in MRT formatted data >>

Re: AS path weirdness

2009-03-22 Thread James Aldridge
Jason Lewis wrote: > I'm not entirely sure what I'm looking at. The reserved AS, 65490 > appears in parentheses and I've never seen that in MRT formatted data > and not sure why it's happening. That would be a single-element AS_SET, I guess. > I'm also not clear on why I see 23456 *and* a 32 bit