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| 04:18.10 | jima | i just got the overwhelming urge to run fiber optic cable through a garden hose. |
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| 04:30.00 | Tene | You should consider talking with your doctor about that. |
| 04:35.29 | jima | sure, i'll send him an email over this fiber optic connection, once it's up... |
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| 14:51.11 | Migs | http://www.dramafever.com/news/taiwans-new-army-uniforms-are-downright-scary/ |
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| 15:31.04 | keldwud | hmm.. |
| 15:31.46 | keldwud | I've a switch with four incoming trunk ports. best way to find out which switch and ports are feeding into it? |
| 15:32.11 | fungus | show cdp neighbors |
| 15:32.36 | peno | assuming it's cisco |
| 15:32.44 | fungus | hehe, yupo |
| 15:32.46 | keldwud | fungus, I just have to say, you're always very quick and efficient at helping me :) |
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| 15:32.57 | keldwud | I can translate from cisco into my current environment |
| 15:33.06 | keldwud | I understand the abstract of show dhcp neighbors |
| 15:33.12 | keldwud | I'll check it out now |
| 15:33.31 | keldwud | so what exactly is that going to show me? |
| 15:33.48 | fungus | cdp is Cisco Discovery Protocol, it shows all connected devices that also run that protocol. |
| 15:33.58 | keldwud | oooh |
| 15:34.03 | keldwud | well then I might not have that available :) |
| 15:34.12 | peno | iirc, brocade/foundry will use show cdp neighbors as well |
| 15:34.19 | fungus | Some non-cisco equipment runs it, but not all. |
| 15:34.30 | keldwud | only one way to find out :) |
| 15:34.34 | keldwud | fires up telnet |
| 15:34.43 | peno | telnet bad |
| 15:35.02 | keldwud | yes, I am aware of this :-p |
| 15:35.13 | keldwud | I'm a noob and I am working with what I have |
| 15:35.17 | keldwud | and what was given to me |
| 15:35.22 | keldwud | ancient switches |
| 15:36.24 | keldwud | do I need to enable to access cdp? |
| 15:36.38 | keldwud | if it is available |
| 15:37.44 | keldwud | ok yeah, looks like I have more show commands availble after enabling |
| 15:40.20 | keldwud | I could always trace the cables, too :) |
| 15:40.26 | keldwud | but what would I learn doing that? |
| 15:40.31 | fungus | hehe |
| 15:40.45 | peno | that tracing cables is a pain :) |
| 15:40.53 | fungus | After you trace the cables, it might help to label the ports correctly. |
| 15:41.12 | fungus | So next time is a bit easier |
| 15:41.19 | keldwud | +1 |
| 15:41.41 | keldwud | yeah I'm looking through my show commands, don't see anything that would be similar to cdp |
| 15:41.56 | keldwud | I guess that's pretty proprietary stuff or newer than ten years |
| 15:41.56 | peno | i typically use the description option on an interface to note what device/port/etc it's connected to |
| 15:42.08 | fungus | +1 |
| 15:42.11 | keldwud | description? ok, I can try that, too |
| 15:44.58 | keldwud | what's gbic? |
| 15:46.12 | peno | gigabit interface card |
| 15:46.21 | peno | or converter |
| 15:46.29 | keldwud | ahh ok |
| 15:47.51 | keldwud | hmm. am I doing this right? I did a show interfaces <port number> |
| 15:48.10 | keldwud | gave me port, trunk, admin, oper, link, linktrap, negotiation, speed, duplex, and flow control statuses |
| 15:48.40 | keldwud | will that trunk number help me? |
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| 16:15.32 | keldwud | okay, here's a more abstract question. because of my schema (i.e. I know a little bit about my network toplogy and some general things about what is where), I know that my office switch has a trunk and that it is plugged into one out of two datacenters into another switch |
| 16:15.46 | keldwud | so I can look at that stack and just look at the multilink trunks to see what ports are trunked |
| 16:15.52 | keldwud | and use process of elimination |
| 16:16.03 | keldwud | but let's say I have multiple trunks listed |
| 16:16.12 | keldwud | how do I identify which trunk goes to where? |
| 16:17.17 | keldwud | I'm fortunate enough to have had my boss make a network diagram, but that was all from memory and never gets updated |
| 16:17.27 | keldwud | I'm trying to learn some general discovery processes |
| 16:21.18 | keldwud | what if *I* wanted to make the map and didn't have anybody around to tell me what was what? :) |
| 16:21.25 | keldwud | I guess that's a pretty big question... |
| 16:51.45 | fungus | You could map it out either physically (trace wires), or logically (CDP or MAC address tables) |
| 16:52.31 | fungus | though MAC address tables would be quite a pain. Hence another very good reason to use good clear descriptions on your interfaces |
| 16:53.49 | keldwud | descriptions as in aliases? user defined? |
| 16:54.05 | keldwud | cuz I've been thinking about adding some of those :) |
| 16:54.50 | fungus | your switches/routers should have a description field for each interface. |
| 16:57.35 | keldwud | yeah they do :) |
| 16:57.45 | keldwud | all blank :) |
| 16:58.02 | keldwud | this looks like a task for somebody like me to fill out some of the more important ones ;) |
| 16:58.18 | keldwud | now if I could just figure out what was what :-p |
| 17:00.34 | keldwud | ooh interesting |
| 17:00.46 | keldwud | in my GUI interface, I found a "topology table" |
| 17:01.10 | keldwud | and it appears to have slots and ports that match the ports that are trunked |
| 17:02.03 | fozzmoo | If anyone's interested, there's a handful of us in http://turntable.fm/utah |
| 17:02.13 | keldwud | I keep meaning to get back into turntable |
| 17:02.15 | keldwud | but I'm scared |
| 17:02.21 | fozzmoo | heh. |
| 17:02.34 | fozzmoo | Everyone hates me because I don't follow the room rules. :) |
| 17:02.34 | keldwud | when I first got on it not last june but the june before |
| 17:02.39 | keldwud | I spent 8 hours a day in there |
| 17:02.42 | keldwud | it was bad |
| 17:02.47 | keldwud | I wouldn't sleep |
| 17:02.51 | fozzmoo | heh. |
| 17:03.10 | keldwud | I turned a few people onto it :) |
| 17:03.13 | keldwud | it was amazing |
| 17:03.15 | keldwud | probably still is |
| 17:03.16 | jessie | Bah, it uses flash and doesn't have a way for me to click on the plugin to enable it. :-/ |
| 17:03.32 | keldwud | but yeah, it was definitely a time sink for me |
| 17:07.08 | keldwud | so this topology table gave me the info I needed. it lists ports on switches and the IpAddresses that reside at the other end |
| 17:07.21 | keldwud | even the mac address |
| 17:07.34 | keldwud | now I want to figure out how my gui gets that information so that I can get it from the CLI :) |
| 17:07.50 | keldwud | is that overkill? or weird? |
| 17:08.00 | keldwud | wanting to find other ways to do something once I've found my answer? |
| 17:09.34 | fungus | could be LLDP |
| 17:09.54 | fungus | Similar to CDP, more standards based, but way more complex. |
| 17:11.33 | keldwud | yeah I think I saw the acronym LLDP while poking around |
| 17:12.35 | keldwud | yeah that seems to be right, fungus |
| 17:12.38 | keldwud | *correct |
| 17:12.53 | keldwud | the wiki page on LLDP shows me the same fields that my topology table shows me |
| 17:13.29 | keldwud | well, *similar* at least |
| 17:14.11 | keldwud | so I'm wondering if it is only something that I will be able to query using snmp or if I can gather it from the CLI |
| 17:15.46 | manithree | Anybody good with jcifs connecting to a Hitach HNAS? |
| 17:17.44 | fozzmoo | jsmith: No luck? |
| 17:35.11 | manithree | jessie: Am I a loser for whitelisting turntable.fm in flashblock? |
| 17:35.45 | jessie | manithree: Maybe. I whitelisted YouTube and I think one other place. |
| 17:35.49 | jessie | Maybe Last.Fm or something. |
| 17:37.08 | manithree | Hmm. Wonder how chuckmangione.com got in there. |
| 17:42.21 | keldwud | damnit. googled tx stats and texas owns the results :( |
| 17:42.33 | keldwud | can anyone tell me what TX Stats are? PortNum/FramesTotal |
| 17:43.17 | tensai | tx is transmit. rx is receive. |
| 17:43.22 | keldwud | oh hey :) |
| 17:43.23 | keldwud | thank you |
| 17:43.37 | keldwud | I feel like that is a "oh duh" thing that I should have just known |
| 17:43.42 | keldwud | or been able to figure out |
| 17:44.10 | keldwud | and thanks for pre-emptively covering my next question about Rx :) |
| 17:44.14 | tensai | tx/rx stats are especially useful when you have errors. errors are bad. :) |
| 17:47.11 | keldwud | fungus: okay, so I found two places with unique identifiers for ports that were grouped together that had a similar field in common. |
| 17:47.25 | keldwud | I found "neighbor" in LLDP and I found "topology table" |
| 17:47.40 | keldwud | thanks for starting me on that journey to discover things |
| 17:49.03 | fungus | np, i went down that rathole about a year ago, might as well share the journey. :) |
| 17:49.44 | fungus | Sure does make me appreciate the simplicity of CDP though. |
| 17:51.37 | keldwud | hmm |
| 17:51.39 | keldwud | pathcost |
| 17:51.44 | keldwud | that looks like it could be interesting |
| 17:52.12 | keldwud | that's a spanning tree thing? |
| 17:52.20 | keldwud | (I also don't know spanning tree) |
| 17:52.56 | keldwud | oh spanning tree is an algorithm? |
| 17:53.15 | joshh | its a protocol that uses an algorithm |
| 17:53.20 | keldwud | kind of like depth first and breadth first? |
| 17:53.25 | keldwud | oh ok |
| 17:53.26 | joshh | actually there are a several versions of it |
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| 17:53.45 | joshh | and you don't want to use it if possible |
| 17:53.50 | keldwud | ahh :) heh |
| 17:53.51 | keldwud | ok |
| 17:53.59 | joshh | but you might have to if your network is super basic |
| 17:54.05 | unum | my wife got a magazine from byu(one of her almaters) and it had an article about perfectionism, it used the traveling salesman as an example of where perefectionism is impossible |
| 17:54.21 | unum | kind of like spelling ;) |
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| 17:59.05 | keldwud | joshh, why not, btw? |
| 18:00.28 | joshh | there are better ways to do things (like routing), and it wastes links |
| 18:00.46 | joshh | you want it enabled, but not actually part of your design |
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| 19:38.22 | fozzmoo | is back turnin' tables |
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| 20:08.38 | keldwud | so I have a list of machines and their mac addresses and their IP addresses. I can ssh into these machines. they are online, and when I run ifconfig, the MAC address matches the ones in my list |
| 20:08.50 | keldwud | then I search for the mac addresses on one of my switch stacks |
| 20:08.56 | keldwud | I find all of these macs on one port (because this port runs to another switch) |
| 20:09.05 | keldwud | then when I search for those macs on the switch to which they supposedly belong, well... they aren't there |
| 20:09.40 | keldwud | what am I doing wrong? |
| 20:17.52 | keldwud | ahh, that's what I was doing wrong |
| 20:17.57 | keldwud | tracing cables incorrectly |
| 20:18.00 | keldwud | :) |
| 20:43.41 | Tene | That causes problems, yes. |
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| 20:52.25 | tensai | cables are overrated. send your packets into the ether and let the fairies sort them out. |
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| 21:15.26 | joshh | keldwud: run lldp from the switch to see its name, and hopefully you know what switch is what from there |
| 21:16.25 | joshh | see the lldp neighbor on the link from the switch you were on before |
| 21:16.34 | joshh | lldp is one of the best things ever |
| 21:40.35 | fozzmoo | WTF is youtah?! |
| 21:42.44 | fozzmoo | Once again: http://turntable.fm/utah |
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