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 Message Boards » » BobbyDigital's CCIE Blog Thread Page 1 2 [3] 4, Prev Next  
BobbyDigital
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ok, maybe you can help with this.

I can't get the frame relay link between these two routers to come up. There's a frame switch in between, and it was working before, and then i started dicking around with the configs and it no longer stays up. I didn't touch the frame switch, so it has to be something on the end routers.

R1:


Serial0/0/0 3.3.11.4 YES manual up up

interface Serial0/0/0
ip address 3.3.11.4 255.255.255.248
encapsulation frame-relay
no fair-queue
frame-relay map ip 3.3.3.1 401 broadcast
frame-relay map ip 3.3.11.1 401 broadcast
frame-relay map ip 3.3.11.3 401 broadcast
frame-relay map ip 3.3.11.4 401
no frame-relay inverse-arp

R2:
[code]
Serial0/0/0 3.3.11.3 YES manual up down

interface Serial0/0/0
ip address 3.3.11.3 255.255.255.248
encapsulation frame-relay
no fair-queue
frame-relay map ip 3.3.11.1 301 broadcast
frame-relay map ip 3.3.11.3 301
frame-relay map ip 3.3.11.4 301 broadcast
no frame-relay inverse-arp
frame-relay lmi-type ansi


if that's not enough info, let me know what else you need.

9/25/2007 8:45:17 PM

robster
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lmi type should be cisco, no?

9/25/2007 9:31:35 PM

csdozier
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^ agree... R1 is default cisco lmi.

I think my ccie plans are going to be delayed just a bit more, my employer wants me to get a ccvp. Shouldnt much of a delay as I already have 2/5 of the tests completed. I was about ready to take the written as I have done a lot of reading. oh well good look your labs rob and bobby

9/25/2007 9:38:46 PM

BobbyDigital
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yep, i broke it intentionally to see if mr. "I'm an EXPERT on BGP, EIGRP, frame relay, ATM and MPLS" could find it.

EDIT:
In other news I did just spend a half hour trying to figure out why one of my switches in my EIGRP domain wasn't sending any routes to its neighboring routers.

fucking thing was running an IP BASE image, and only supports eigrp stub. So it nvgen'd

 eigrp stub connected summary
. Luckily it had an adv. ip services image in flash, so i just had to reboot and remove the stub command to fix it.

i ran debugs, checked all kinds of show commands, but didn't check the config initially b/c everything else seemed right. This is the type of shit that drives me crazy.

Ok, enough of this for tonight, I'm going home.





[Edited on September 25, 2007 at 10:07 PM. Reason : blah]

9/25/2007 10:00:46 PM

drunknloaded
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Quote :
"yep, i broke it intentionally to see if mr. "I'm an EXPERT on BGP, EIGRP, frame relay, ATM and MPLS" could find it."


damn thats straight evil

9/25/2007 10:46:44 PM

robster
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sorry to ruin the test ...

But, ive seen enough of his questions that I know he will prove himself wrong over and over in the near future, so no worries.

9/25/2007 11:47:09 PM

BobbyDigital
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haha no worries.

I don't know why I bothered.

9/26/2007 7:42:24 AM

csdozier
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he is no EXPERT.. no test needed

9/26/2007 8:39:07 AM

robster
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Pretty sure I didnt pass today ... Damn etherchannel config ... I should have rebooted the switches when it wasnt working at first...

See, it asked for me to configure the switch mesh with isl trunks, so I brought them up. Then asked to make them eitherchannels, so I configured that as I should have, but couldnt get them to come up


So BDig, why do they not come up correctly sometimes when the ports in the channel are already up?

9/27/2007 9:18:43 PM

BobbyDigital
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Yeah, don't worry about it man, only like 2% of people pass on the first try. You'll get it next time.

As far as the Etherchannel goes, the best way to do it is to configure the etherchannel first, and then make it a trunk. That way you can apply the trunk configuration from the Po interface, from which the individual ports will inherit the config.

You can still do it in the reverse, but when they are individual trunks to start out with, sometimes STP will get in the way, and it gets painful to get everything to negotiate properly.

I just configured it up on my pod:

p3sw1#sh eth sum
Flags: D - down P - bundled in port-channel
I - stand-alone s - suspended
H - Hot-standby (LACP only)
R - Layer3 S - Layer2
U - in use f - failed to allocate aggregator

M - not in use, minimum links not met
u - unsuitable for bundling
w - waiting to be aggregated
d - default port


Number of channel-groups in use: 2
Number of aggregators: 2

Group Port-channel Protocol Ports
------+-------------+-----------+-----------------------------------------------
2 Po2(SU) PAgP Fa0/21(P) Fa0/22(P)


So, I left the interfaces at default to start with, and then just added "channel group 2 mode desirable" which creates the Po2 interface. Then under the Po2 interface, i added the ISL encap and forced it to trunking mode, and the two physical members inherited the trunk config.

!
interface Port-channel2
switchport trunk encapsulation isl
switchport mode trunk
end
interface FastEthernet0/21
switchport trunk encapsulation isl
switchport mode trunk
channel-group 2 mode desirable
!
interface FastEthernet0/22
switchport trunk encapsulation isl
switchport mode trunk
channel-group 2 mode desirable


Here's the outputs from the partner switch:

p3sw2#sh eth sum
Flags: D - down P - bundled in port-channel
I - stand-alone s - suspended
H - Hot-standby (LACP only)
R - Layer3 S - Layer2
U - in use f - failed to allocate aggregator

M - not in use, minimum links not met
u - unsuitable for bundling
w - waiting to be aggregated
d - default port


Number of channel-groups in use: 2
Number of aggregators: 2

Group Port-channel Protocol Ports
------+-------------+-----------+-----------------------------------------------
1 Po1(SU) PAgP Fa0/21(P) Fa0/22(P)

interface Port-channel1
switchport trunk encapsulation isl
switchport mode trunk
!
interface FastEthernet0/21
switchport trunk encapsulation isl
switchport mode trunk
channel-group 1 mode desirable
!
interface FastEthernet0/22
switchport trunk encapsulation isl
switchport mode trunk
channel-group 1 mode desirable

9/27/2007 10:25:26 PM

robster
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Cool ... One other question ... Setting modes to "on" on both sides should bring them up as well, correct? Or is there a caveat with ISL?

Otherwise, thats what my configs looked like, but I think I foobarred the switches by having the interfaces already turned up.

9/28/2007 8:47:40 AM

BobbyDigital
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yeah, you can use mode 'on' as well, which disables PAgP negotation -- the caveat there is that if there's something screwy going on that would prevent the channel from negotiating properly, configuring it that way can mask it, making troubleshooting difficult.

9/28/2007 9:32:22 AM

drunknloaded
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goodluck bdig! i hope u get it...if u do i'll tell my friends i know someone that has a really rare certification

9/28/2007 9:38:49 AM

Amsterdam718
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i missed this thread, but ansi is ANNEXD or T617 (i think). most frame switches on the provider side aren't cisco. typically there are either a Nortel Wellfleet or a Lucent BSTDX-9000.


cisco on the WAN side is normally used for ATM (MGX, BPX, etc.) on MPLS typically carriers use the Cisco ESR.

9/29/2007 10:51:58 PM

k2taboo
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dang i dont think i will ever teach myself enough to be able to take that exam.

10/1/2007 9:30:42 AM

Arab13
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4 more days huh? how's it going?

10/1/2007 12:41:22 PM

GraniteBalls
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4 more days huh? how's it going?

10/1/2007 12:44:36 PM

BobbyDigital
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I'm no longer of the opinion that i'll _definitely_ fail.

so that's good.

10/1/2007 1:49:57 PM

GraniteBalls
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is your company going to re-imburse the cost of the exam regardless of pass/fail?



how much is it?

10/1/2007 1:52:43 PM

BobbyDigital
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first three attempts are paid for, but due to a baby coming, I wanna get this passed on the first try if at all possible.

So, I'm locking myself down from dawn till I drop until friday with some short breaks here and there to de-zombify myself.

like right now.

.....

and i'm done, so back to the grind.

10/1/2007 3:12:26 PM

raiden
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NO ZOMBIES!! THEY EAT UR BRAINZ!!!!



seriously though, good luck.

10/1/2007 6:13:17 PM

drunknloaded
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does anyone other than bobbydigital know how good you have to do to pass? i would ask him but i dont think he would answer and i dont want to take him away from his studies

10/1/2007 6:50:10 PM

cain
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70% written, 80% lab i think

10/1/2007 8:35:16 PM

drunknloaded
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oh ok...thanks

10/1/2007 8:48:03 PM

cdubya
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Quote :
"BGP, EIGRP, frame relay, ATM and MPLS"


It takes a certain aptitude for an individual to realize that you'll never be an 'expert' in all of these protocols at the same time- sort of the 'I know enough to know that I don't know everything' state.

Out of curiosity, what makes you feel that you're an expert in these areas?

That said, if you feel confident in your claim on BGP and MPLS, I'll have some doozies on a pretty regular basis that I'd love to have someone to bounce off.

10/2/2007 3:32:44 PM

BobbyDigital
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2 days to go, My stomach feels like I drank a pint of crushed glass.

Someone just got CCIE# 18999

I want 19000.


10/3/2007 8:56:15 AM

drunknloaded
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man honestly i'd be surprised if you dont get this

10/3/2007 12:21:49 PM

BobbyDigital
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alright, as of right now, I'm done preparing.

at least for this attempt.

hopefully I won't need another, but being a wolfpack fan for 20+ years, I'm cautiously optimistic.

I think i'll go play some golf this afternoon

[Edited on October 4, 2007 at 3:07 PM. Reason : asdf]

10/4/2007 2:15:55 PM

drunknloaded
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d day is tomorrow.....i bet on a scale of 1-10 you studied an 8 for this test

10/4/2007 9:25:43 PM

robster
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Poor bobby... I feel for ya man, maybe we can study together for those available dates 6 months from now ..

10/5/2007 2:33:30 PM

drunknloaded
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is he done by now?

10/5/2007 2:40:10 PM

BobbyDigital
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I got fucked.


long story short, even though I had my confirmation email and everything, i somehow got dropped from the testing roster.

[emo]

how could this happen to me?


[/emo]

[Edited on October 5, 2007 at 2:49 PM. Reason : a]

10/5/2007 2:49:24 PM

joe17669
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dude, that just sucks. i would've raised hell until they let me take it

10/5/2007 2:50:51 PM

drunknloaded
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man thats gay

10/5/2007 2:53:21 PM

BobbyDigital
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well, they only have enough racks of equipment for those on the roster. And it's always full.

Me getting dropped means that someone else picked it up.

So raising hell at the testing center would do me no good. But there are people higher up than me who are going to bat for me on this, so I'm fairly sure that i'll be rocking this thing in a couple of weeks at the latest.

10/5/2007 2:54:02 PM

drunknloaded
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are you gonna study more in those few weeks?

10/5/2007 2:55:15 PM

cain
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dude that blows

10/6/2007 11:06:54 AM

Aficionado
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damn

that sucks

10/7/2007 6:47:48 PM

fregac
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Hrm, it occurs to me I have pretty much everything required to build a fairly decent Cisco study lab. A couple 1760 routers, a couple 2610's, a 2950 and 1900 switch . . . .

I'd need to find serial cables to hook the routers to each other, though.

10/7/2007 9:30:41 PM

drunknloaded
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whens the new d-day? you been studying or what?

10/10/2007 5:13:51 AM

BobbyDigital
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looks like next thursday in San Jose.

cdubya, I'm crashing at your pad.

10/11/2007 10:14:36 AM

cain
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can i send you a list of people to roshambo while you are out there ?

And good luck.

10/11/2007 1:45:25 PM

cdubya
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Funny enough, John Chambers just spoke at teh Goog yesterday for zeitgeist. Definitely hit me up.

10/11/2007 1:54:33 PM

BobbyDigital
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some notes on prefix lists:

If you just want to match Class A's with 8 bit masks, Class B's with 16 bit masks, and class C's with 24 bit masks.

0.0.0.0/1 ge 8 le 8

128.0.0.0/2 ge 16 le 16

192.0.0.0/3 ge 24 le 24

If you want to match anything in the individual address spaces for class A, B, C
0.0.0.0/1 le 32
128.0.0.0/2 le 32
192.0.0.0/3 le 32


Class A- binary first bit 0.
Class B - binary first two bits 10.
Class C - binary first three bits 110.

references:
http://www.groupstudy.com/archives/ccielab/200208/msg01388.html
http://www.groupstudy.com/archives/ccielab/200404/msg00539.html

http://www.catspace.com/goodies/prefix.htm

10/12/2007 11:40:34 AM

robster
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Bobby ... I need your study pod ...

Im signed up for Nov 16th ... so let me have it while you are in india!!

10/17/2007 9:57:07 AM

BobbyDigital
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aight, i'm gonna be working on it some today, and i'll wipe everything clean when i'm done, and shoot you an email with the login info.

10/17/2007 12:27:36 PM

drunknloaded
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so when is your kid due if u dont mind me asking

10/17/2007 12:31:19 PM

drunknloaded
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10/17/2007 4:56:44 PM

BobbyDigital
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goddamn that was brutal.

got everything "working" except for one BGP problem.

i don't know whether to feel good about it or not, but i need alcohol, and that is what i'm gonna do.

10/18/2007 8:31:55 PM

robster
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well done my friend ... hope the results show up nicely tomorrow.

Did you have the same 3 switch setup that I had?

10/18/2007 9:29:15 PM

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