Re: [nsp] cisco voip/gatekeeper

From: Michal Mertl (mime@kpnqwest.cz)
Date: Tue Jun 25 2002 - 03:50:49 EDT

On Mon, 24 Jun 2002, Alex Rubenstein wrote:

>
> I am looking for some basic pointers on using a cisco gatekeeper (3600) in
> a simple, class-4 arbitrage environment.
>
> My questions centralize on the ability to have gateways register thier
> endpoints with the gatekeeper, and having the gatekeeper make a
> intelligent routing decision for the call based upon this endpoint
> registration, rather than a dial-plan.

If you need to have some wildcard numbers than the only solution I found
is below. If the numbers are just static you don't have to use
tech-prefix - gateway by default registers it's dial-peer number on the
gatekeeper.

>
> Anyone got some examples, clues, etc?

gateway: 

----
int s0
 ip add 192.168.1.2 255.255.255.252
 h323-gateway voip interface
 h323-gateway voip id gk.dom.dom ipaddr 192.168.255.2
 h323-gateway voip h323-id a-city@dom.dom
 h323-gateway voip tech-prefix 813

dial-peer voice 1 pots
 destination-pattern 813...
 port 1/0

dial-peer voice 2 voip
 destination-pattern ......
 session target ras
gateway

----
gatekeeper:
----
int fa0
 ip add 192.168.255.2 255.255.255.0

gatekeeper
 zone local gk.dom.dom dom.dom 192.168.255.2
 no zone subnet gk.dom.dom default enable
 zone subnet gk.dom.dom 192.168.0.0/16 enable
 no shut
-----
gatekeeper: show gatekeeper gw-type-prefix
GATEWAY TYPE PREFIX TABLE
=========================
Prefix: 813*
  Zone gk.dom.dom master gateway list:
    192.168.1.2:1720 a-city

---
BTW 3600 is far too much powerwull for running small private
gatekeeper.  I'm running 2501 with ~100 gateways and 10 calls at a moment
with 6-10% cpu load.

-- 
Michal Mertl

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