H323 Install
Page 47
15-601046 Issue 14j (10 March 2009)
IP Office 4.2
Other Installation Options: VLAN and IP Phones
Example System Overview
IP Office Configuration
The table below details the configuration for IP Office. Additional
configuration is not required by IP Office in support 802.1 Tagging.
Option
Value
IP Address LAN1
192.168.202.1
IP Mask LAN1
255.255.255.0
IP Address LAN2
192.168.43.1
IP Mask LAN2
255.255.255.0
Router
192.168.202.1
Call Server
192.168.202.1
IP Phone- Configuration
For this example the IP phone was configured with
fixed IP addressing as shown below:
Option
Value
IP Address
192.168.202.50
IP Mask
255.255.255.0
Router
192.168.202.1
Call Server
192.168.202.1
VLANID
209
VLAN Switch Configuration
The table below summaries the HP configuration for ports and
VLAN’s.
Port
VLAN 209 Voice
VLAN 210 Data
3
Tagged
Untagged
5
Untagged
–
6
–
Untagged
The PC –Configuration
Shown below is the IP configuration of the PC1; no
option in support of 802.1p or 802.1q is enabled on
the PC.
Option
Value
IP Address
192.168.43.22
IP Mask
255.255.255.0
Router
192.168.43.1
Summary
On the port on which the PC and IP phone resides two types of Ethernet frames can be received (i.e. sent from Phone or
PC).
1. Tagged Packets are sent by IP Phone
2. Untagged packets are sent by PC
When an untagged packet is sent by the PC attached to the IP Phone port it will be propagated only to VLAN 210. This is
because when we added the port 3 to VLAN 210 the Mode option was specified as untagged. While for the other VLAN
(210) the option Tagged was select for port 3 in VLAN 209. Therefore tagged packets will go to VLAN 209 while the
untagged will go to 210.
When a packet is originated from an IP Phone it is tagged. Because the option un-tagged is selected for port 5 in VLAN
209 then the 802.1 tag is removed before the switch forwards the packet to this port. Similarly when an untagged packet
is originated and sent by IPO the switch will tag the packet before forwarding LAN port 3.
Содержание IP Office 4.2
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