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Marc

Dynamips and N+1 networking

Wed, 27 Aug 2008 16:00:49 +0000
So I’m trying to start the learning process again for MPLS.  The biggest stumbling block has been life as usual, but I packed up all my video games and hurt my knee (unrelated, I’m not *that* out of shape), so gaming and training are tabled for the moment.  Work is insane as usual; about a ...]

Lab 2

Thu, 06 Jul 2006 00:04:05 +0000
How to configure ATA for voice VLAN?
Set speed and duplex for all ports
Do we need to configure spanning tree port fast or not for ip phone ports on NM-16ESW? Yes, configure spanning tree for NM-16
To ...]

Cat 3550: SMI or EMI Image?

Fri, 26 Sep 2008 23:09:32 +0000
I am having a hard time trying to figure what code I should be running…I got a 3550 to play with.  The blueprint says 12.2 IP Services, but on cisco.com you cannot download any 12.2 IP services IOS images that are EMI.  The latest EMI I can pull is 12.1(22) (c3550-i5k2l2q3-mz.121-22.EA10b.bin).
I can pull 12.2(46) IP ...]

Chapter 1 Summary:

Wed, 18 Jun 2008 05:36:14 +0000
Chapter 1: Cisco Unified Communications Manager Architecture
Chapter 1 is just an overview of Cisco Unified Communications Manager (CUCM).
The purpose of the Unified Communications network is to integrate voice, video, and data over a single network infrastructure.
Like everything else in the networking world, CUCM is built and based upon a set of standard layers.

Infrastructure Layer: ...]

T37 inbound fax to Unity - debugs.

Mon, 18 Sep 2006 02:03:49 +0000
OUtput of debug fax mspi all on T37 router. (First few lines are from debug isdn q931 to show the fax call come into the t37 router)
A successful fax inbound from the router to Unity will throw the following debugs.
PSTNSw#
Sep 17 14:55:15.972: ISDN Se1/0/0:23 Q931: RX <- SETUP pd = 8  callref = 0×0009
        Bearer ...]

Tartalék 5db E1 csatorna kimenő hívásokra ISDN PRI-n

Sun, 21 Sep 2008 10:43:02 +0000
Az egyik Voice gatewayen a tárgyban említett feature-t kell megoldanom, tehát ne forduljon elő az, hogy annyi bejövő hívás van a T-Com ISDN PRI linken, hogy kihívni már nem lehet. Valahogy tehát el kell érni azt, hogy az E1 30 csatornájából 5db csak kimenő hívásra legyen alkalmas.
Amennyiben a hívás Voip irányba menne tovább, lehetne szabályozni ...]

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