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Archive for September, 2008

free v-lecture about CBAC

GO DODGERS!!!
On Tue, Sep 30, 2008 at 9:33 PM, Anthony Sequeira wrote:
> Yes, I am delivering a vSeminar for InternetworkExpert on Oct 2 at 1 PM > EST on the Security section of the R/S CCIE Lab Exam. It looks like Brian > McGahan will be able to join me for the presentation, but […]

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free v-lecture about CBAC

Dear Hobbs,
Cubs > *
HTH,
Brian McGahan, CCIE #8593 (R&S/SP/Security) bmcgahan@internetworkexpert.com Internetwork Expert, Inc. http://www.InternetworkExpert.com Toll Free: 877-224-8987 x 705 Outside US: 775-826-4344 x 705
;)
Hobbs wrote: > GO DODGERS!!! > > On Tue, Sep 30, 2008 at 9:33 PM, Anthony Sequeira asequeira@internetworkexpert.com> wrote: > > […]

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Strange MSDP scenario, every 99th ping is good

By the way if R7 and R8 are PIM neighbors, the ping works great. I guess I should be asking this:
Are R7 and R8 required to be PIM neighbors or is there another way around it?
I thought the R1 sending the MSDP message to R8, would populate R8’s OIL, but it appears not…
On Tue, Sep […]

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Enabling UDLD agressive & root guard on some 3560’s

Hi group,
Since the 3560 is lab equipment, I thought I would share a real-world issue I just spent some time working with.
Company had all 3560G’s with 12.2(25) IP Base. Not the newest code, but definitely not ancient.
The topology was
SW1(primary root 4096, all vlans)———PO1———–SW2(secondary root 8192, all vlans)
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3560 - Why is output queue 1 always limited to 400k with priority queue enabled?

Thanks Pavel. I will check other devices, they are pretty much default. but check this out: If I change the cos value of the port that R5 is connected to (to cos3 or 4,etc)…then R5 can burst above 400k! its weird. cos5 is the only cos that is mapped to queue 1 by default, so […]

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free v-lecture about CBAC

Yes, I am delivering a vSeminar for InternetworkExpert on Oct 2 at 1 PM EST on the Security section of the R/S CCIE Lab Exam. It looks like Brian McGahan will be able to join me for the presentation, but that might be effected by how his Cubs do Wednesday evening. While we […]

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3560 - Why is output queue 1 always limited to 400k with priority queue enabled?

Sorry, i got carried away with the “show policy-map”… Just couple days ago I was complaining that there is no way to see what packet fell into which queue on the output of a switch and then I wrote this. With the limiting of expedite queue… that I was surprised about. Should have read the […]

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Strange MSDP scenario, every 99th ping is good

Here is my scenarion, SW4 is attempting to ping group joined by BB1:
multicast domain 1 multicast domain 2: [BB1—>R1—>R5—>R7] — [R8—SW3—SW4]
R1 is the RP for domain 1. R8 is the RP for domain 2. R1 and R8 are MSDP peers and the peer […]

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multicast first ping puzzel!!

Don’t mean to hijack your thread, but I thought of this email when I got this ping result. I got it while doing testing msdp:
Cat3560-4#ping 225.0.0.25 re 1000
Type escape sequence to abort. Sending 1000, 100-byte ICMP Echos to 225.0.0.25, timeout is 2 seconds: …………………………………………………………. Reply to request 66 from 100.100.100.100, 17 ms… …………………………………………………………….. ……………… Reply […]

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Experience with CCNP Netmetric-Solutions

Now I can not disagree with seniors in my field : )
I will be giving complete handson training on CCNP and CCSP courses both on real and virtual equipment. I do have labs for both coursese ; )
I am based in Riyadh (Kingdom of Saudi Arabia)
2008/10/1 Scott Morris
> That’s not advertising (IMHO). But […]

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