From: Matt C. Lange (mattclange@xxxxxxxxxxxx)
Date: Thu Aug 03 2000 - 11:38:14 GMT-3
Anyone take switch 2.o yet? Should I bother studying ATM and Tag
switching?
I know the BCMLS book inside out and backwards but there is no atm in
it at all?
Matt C. Lange
CCNP CCDP MCSE CS
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Walter Chen
Sent: Thursday, August 03, 2000 6:13 PM
To: Ola Aiyegbusi; ccielab@groupstudy.com; cisco-cert@cciecert.com
Subject: RE: [sc] back-to-back BRI
I do not think so. This is just like you try to connect two phones
with back-to-back RJ-11 cable to "simulate" a PSTN network. Do you
think it will work? :-)
The key concept in all switched networks (cell-switched or packet
switched) is that you need a switch (a DCE device) in between the
end (DTE) devices. In ISDN protocols, there is no TE-to-TE
interface defined. (Review the ISDN protocols' S/T/U interface
definitions and functions.)
Walter Chen
Sr. Network Engineer (CCNA, CCNP 2.0, CCIE candidate)
Microtech-Tel
-----Original Message-----
From: Ola Aiyegbusi [mailto:ola@compath.com]
Sent: Wednesday, August 02, 2000 12:43 PM
To: ccielab@groupstudy.com; cisco-cert@cciecert.com
Subject: [sc] back-to-back BRI
Can you connect two BRI or PRI interfaces back to back to simulate
ISDN or connect BRI to PRI directly? I don't have an ISDN simulator
but have BRI and PRI interfaces on my routers
Ola Aiyegbusi
Network Engineer CCDP, CCNP (Voice Access Specialization)
ComPath Inc.
10201 Lee Hwy Suite 140 Fairfax VA 22030
Phone: 703-383-9550 Ext. 122
Pager: 1-888-857-5620
Cell: 703-395-8808
Fax: 703-383-1369
Email: ola@compath.com
Web: http://www.compath.com
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