NETGEAR GSM7248v2 - ProSafe 48 Port Layer 2 Gigabit L2 Ethernet Switch, Инструкция к добавке

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2
VLAN-Definition
VLANs are logical subgroups within a Local Area Network (LAN), which combine user stations,
and network devices into a single unit, regardless of the physical LAN segment to which they are
attached. VLANs allow network traffic to flow more efficiently within subgroups. VLANs use
software to reduce the amount of time it takes for network changes, additions, and moves to be
implemented.
Notes when setting-up VLANs
•
A VLAN does not have a minimum number of port
•
VLANs work at the OSI Layer 2
•
A VLAN can be created per unit, device or via logical connection/combination
•
Broadcast and Multicast traffic is transmitted only in the VLAN in which traffic is generated.
•
To allow traffic between VLAN a device working at protocol level (Layer 3) is required
GSM7352S
M1 M2 M3 M4
48T 46T 44T 42T
47T 45T 43T 41T
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41T 43T 45T 47T
2 4 6 8 10 12 14 16 18 20 22 24 38 40 42T 44T 46T 48T 26 28 30 32 34 36
Default IP route : 192.168.2.254
Internet
VLAN4
192.168.4.1/24
VLAN3
192.168.3.1/24
VLAN2
192.168.2.1/24
192.168.2.x/24
DG 192.168.2.254
192.168.3.x/24
DG 192.168.3.1
192.168.4.x/24
DG 192.168.4.1
ProSafe VPN Wireless ADSL Gateway DGFV 338
LOCAL
1 2 3 4 5 6 7 8
10 0
Link/ACT LINK/ACT
10 0
INTERNET
TEST
MODE L
WLAN DSL
PWR
192.168.2.254/24
____ VLAN 4: Ports 0/41
– 0/48
PVID = 4
DHCP = 192.168.4.0/24
____ VLAN 3: Ports 0/21
– 0/28
PVID = 3
DHCP = 192.168.3.0/24
____ VLAN 2: Ports 0/1
– 0/8
PVID = 2
DHCP = 192.168.2.0/24
GSM7xxx - Shared access to the Internet across Multiple Routing VLANs using a Prosafe Firewall
DGFV338
Static routes:
192.168,3.0 255.255.255.0 192.168.2.1
192.168.4.0 255.255.255.0 192.168.2.1