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Comparing Traffic Policing Features in the 3550 and 3560 switches

Thu, 11 Sep 2008 16:52:31 +0000
People are often confused with per-VLAN classification, policing and marking features in the Catalyst 3550 and 3560 models. The biggest problem is lack of comprehensive examples in the Documentation CD. Let’s quickly review and compare traffic policing features available on both platforms. The material below is a condensed excerpt of several Catalyst QoS topics ...]

VT advantage - unlimited

Sat, 22 Jul 2006 01:30:18 +0000
VTA uses CAST protocol. Uses 4224 TCP port. This protocol helps in discovering remote VTA capable endpoints, communicates with IP phone as well as with Callmanager. To ensure proper QOS is given to CAST, on the phone port, create a service policy to mark TCP 4224 with DSCP CS3.
VTA uses two types of codecs.
a. H263 ...]

Weekend Update

Sun, 07 Sep 2008 14:07:29 +0000
After the mock that I did yesterday morning, I have just been taking it easy today. Browsing through day 1 of the IP Expert Video on Demands, there is some good stuff on there . A lot of it was mainly refreshing things in my mind, but there were also a couple of topics that ...]

IPIPGW Example

Sun, 30 Jul 2006 20:38:09 +0000
We setup a IPIPGW with 3 gatekeepers and 2 callmanagers.
IPPhone1—Callmanager 1—–GK1———–(IPIPGW/VIAZONEGK)———–GK2———Callmanager2—IPPhone2
GK1 configs:
int lo 0
ip address 172.12.100.1 255.255.255.0 
gatekeeper
 zone local HQ-RTR ipexpert.com 172.12.100.1
 zone remote VIAZONE ipexpert.com 10.12.200.2 1719
 zone prefix VIAZONE 20*
 gw-type-prefix 1#* default-technology
 no shutdown
!
GK2 Configs:
gatekeeper
 zone local LT-RTR ipexpert.com 192.168.10.46
 zone remote VIAZONE ipexpert.com 10.12.200.2 1719
 zone prefix VIAZONE 40*
 gw-type-prefix 1#* default-technology
 no shutdown
IPIPGW config:
 voice service voip
 allow-connections h323 to h323
dial-peer voice ...]

Multilink1, bundle name is Rack1R1
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Member links: 2 active,....
Vi1, since 07:53:31
Vi2, since 07:53:31

Now that we have come to the end of this composition on ipexpert audio, we do hope that you enjoyed reading it as much as we enjoyed writing it.
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