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Configuring the Layer 2 Interface (ADSL)
To configure an ADSL layer 2 interface:
1.
Select
Advanced Setup -> Layer2 Interface
and click Add.
Figure 13 ADSL Layer 2 Interface Configuration
2.
Enter the PVC’s identifier (VPI/VCI)
.
3.
Select the
“
DSL Link Type
”
–
Ethernet over ATM (RFC 2684) is typical.
4.
Select the
“
Encapsulation Mode
”
–
LLC/SNAP-BRIDGING is typical.
5.
Select the
“
Service Category
”
(upstream ATM shaping)
–
“
UBR Without PCR
”
(Unspecified
Bit Rate Without Peak Cell Rate) is typical.
6.
Select the
“
Connection Mode
”
–
Choose Default Mode for non-VLAN tagged traffic. Choose
VLAN MUX Mode if you intend to segment LAN traffic into separate VLAN tagged WAN
services.
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7.
IMPORTANT
- Check
“
Enable Quality of Service
”
if you intend to support QoS classified
traffic through the WAN service.
8.
Click Apply/Save.
NOTE
Enabling QoS for routed IPTV service configurations will improve channel change
performance.
Configuring the Layer 2 Interface (PTM
–
Supported on ADSL and VDSL)
To configure a PTM layer 2 interface :
1.
Select
Advanced Setup -> Layer2 Interface -> PTM Interface
and click Add.
Figure 14 VDSL Layer 2 Interface Configuration
2.
Select the “DSL
Latency
” –
Path0 is typical.
3.
Select the “
PTM Priority
” –
Normal Priority is typical.
4.
Select the “
Connection Mode
” –
Default Mode is typical (when VLAN segmentation is not
required).
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5.
IMPORTANT
-
Check “Enable Quality of Service” if you intend to support QoS classified
traffic through the WAN service.
6.
Click Apply/Save.
NOTE
Enabling QoS for routed IPTV service configurations will improve channel change
performance.
NOTE
802.1P (priority) and 802.1Q (VLAN tag) values will be set at the time of WAN Service
creation as detailed in, “
Creating the WAN Service
.”
Configuring the Layer 2 Interface (VDSL/PTM with VLAN Tags)
In some applications it may be necessary to segment the PTM WAN interface into separate VLANs.
A common application for a VLAN segmented WAN interface is bridged IPTV as detailed in the
“
Bridged IPTV Configuration
”
section.
To configure the layer 2 PTM interface to support VLAN
tagged traffic select “VLAN MUX Mode” for “Connection Mode” in step 4 of the “
Configuring the
Layer 2 Interface (PTM
–
Supported on ADSL and VDSL)
” section.
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Creating the WAN Service
WAN Services are created on top of previously created Layer 2 interfaces. To create a WAN service:
1.
Select
Advanced Setup -> WAN Service
and click Add.
2.
Select a previously created layer 2 interface from the drop down list and click Next.
3.
Select the
“
WAN Service type
”
–
“
PPP over Ethernet
”
or
“
IP over Ethernet
”
are appropriate
choices for routed WAN services. Bridged WAN services will be covered later in the
“
Bridged
IPTV Configuration
”
section.
Figure 15 WAN Service Configuration (With or Without VLAN Tagging Support)
NOTE
If VLAN tagging support is desired, set the 802.1p and 802.1q values appropriately.
802.1P: 0 is lowest priority, 7 is highest priority, -1 is unused
802.1Q: -1 indicates no VLAN tagging
NOTE
The SR-350N/NE and SR-500N/NE gateways support mixed VLAN tagged/untagged
traffic on the same WAN interface. Set the untagged WAN connection’s VLAN ID to
-1.
4.
Click Next.
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5.
For PPP WAN services
enter the “PPP Username” and “PPP Password”. If desired
, enable
the firewall, NAT and IGMP Proxy. Click Next.
Figure 16 PPP Username and Password
-OR-
19216811.live