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Real world wan question?
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HOOLIGAN
Vindaloo
M
Registered: Dec 2000
Location: \
Country: Antarctica
State:
Certifications: A+ CCNA
Working on: BSc , CCNP
Total Posts: 2349
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 Real world wan question?
comming up to 9 months and im still no where near ready to taking this exam, How do you pass CCNA while holding down a job and keeping the missus and two kids happy,(not to mention the house that needs constant work).
Seriously though, is SDLC and HDLC implemented these days? or is there a workaround, ie take an IBM mainframe to router , is SDLC still used or is there a workaround (say encapsulated inside another protocol). Any url's or resorses on this subject would be greatly appreciated.
Cheers
Hooligan A+
Last edited by HOOLIGAN on 10-23-01 at 02:49 PM
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 10-23-01 02:46 PM
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depamo
Burning at both ends
M
Registered: Jul 2001
Location: Houston, Texas
Country: United States
State:
Certifications: CCDA, CCNA, CCNP, CISSP, SAP Basis, SCSA
Working on: If I need anymore, I quit.....
Total Posts: 482
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 Yes there is
You can extend an SNA environment with DLSw+ or a layer 2 tunnel through an IP network. Since SNA is not a layer 3 protocol, it in itself cannot be routed but it can be extended and bridged.
__________________
 A Black Hole is God dividing by zero.
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10-23-01 07:12 PM
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Silkysmoothe1
Member
Registered: Dec 2000
Location: Dallas
Country: America,
State:
Certifications: yes!
Working on:
Total Posts: 355
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some day, it will hit you like a ton of bricks!
quote:
Originally posted by HOOLIGAN
comming up to 9 months and im still no where near ready to taking this exam, How do you pass CCNA while holding down a job and keeping the missus and two kids happy,(not to mention the house that needs constant work).
Seriously though, is SDLC and HDLC implemented these days? or is there a workaround, ie take an IBM mainframe to router , is SDLC still used or is there a workaround (say encapsulated inside another protocol). Any url's or resorses on this subject would be greatly appreciated.
Cheers
Hooligan A+
One day it will dawn on you, and you will think to yourself, if I'm not ready now,I'll never be ready and then you will take and pass the test.
I think I told you once that, if you needed any help to use this email system,, and give me a shou! I think your time has come, and the cards are in your favor,,, time is of the essence and the market is slowly turning again,,,so be prepared and ready to take that step. I hope to hear your good news (soon).
,,,,silky,,,
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10-25-01 01:04 AM
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depamo
Burning at both ends
M
Registered: Jul 2001
Location: Houston, Texas
Country: United States
State:
Certifications: CCDA, CCNA, CCNP, CISSP, SAP Basis, SCSA
Working on: If I need anymore, I quit.....
Total Posts: 482
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I agree with Silky
You are probably closer then you can imagine. Get over that last hump and kill that bad boy. Let us in on the good news when you strike it down!!
__________________
A Black Hole is God dividing by zero.
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10-25-01 02:42 AM
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Retired-Mod
Senior Member
Registered: Jun 2001
Location: Washington DC
Country: United States
State:
Certifications:
Working on: Head MuckyMuck
Total Posts: 178
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10-25-01 08:13 AM
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MadChef
A Huge Fake
Registered: Sep 2000
Location:
Country: USA
State:
Certifications:
Working on: A Sex Farm
Total Posts: 1426
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Re: Real world wan question?
quote:
Originally posted by HOOLIGAN
Seriously though, is SDLC and HDLC implemented these days? or is there a workaround, ie take an IBM mainframe to router , is SDLC still used or is there a workaround (say encapsulated inside another protocol). Any url's or resorses on this subject would be greatly appreciated.
SDLC is still very common in IBM environments, but mostly for controllers and other devices. The mainframe end is more likely a channel attached with a 7500 or LAN attached, mostly using token. If your controllers are serially attached, you're still stuck with using SDLC at least on that end. Using PU 2.0 and 2.1 devices you can use DLSw to move SNA across a network so you can transparently move SDLC attached controller traffic to LAN attached hosts. PU 1.0 is limited to STUN so you'd need SDLC on both ends.
MadChef
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10-25-01 09:27 AM
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HOOLIGAN
Vindaloo
M
Registered: Dec 2000
Location: \
Country: Antarctica
State:
Certifications: A+ CCNA
Working on: BSc , CCNP
Total Posts: 2349
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10-25-01 04:03 PM
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