Encapsulation Settings; Ipoa Settings - Cisco SR520-FE-K9 Administration Manual

Setting up the Interfaces of the Services Ready Platforms
Setting up the WAN Interface
Cisco SRP500 Series Services Ready Platforms Administration Guide (SRP520 Models)
Ethernet WAN Interface Settings
Field
Maximum
Transmission Unit
(MTU)
Static DNS 1-3

Encapsulation Settings

This section describes the ADSL Encapsulation Settings that you can choose from
in the Internet Setup page under VC settings.
Encapsulation is the protocol used between your broadband gateway and your
ISP's servers. Most of the encapsulations are defined in Internet standards called
Requests for Comments (RFCs). Two are derived from the Point-to-Point Protocol
(PPP): PPP over Ethernet (PPPoE) and PPP over ATM (PPPoA).

IPoA Settings

Choose IPoA for direct encapsulation of IP traffic over the DSL ATM virtual circuit.
Enter the required information as provided by your ISP: Internet IP Address,
Subnet Mask, and Default Gateway IP address. Optionally, you can enter the IP
addresses of the primary and secondary DNS servers.
Description
L2TP
Select this option if your ISP uses L2TP (Layer 2 Tunneling
Protocol) and has provided you with a static IP address.
Enter the L2TP Server IP address and the User Name and
Password for your account.
If your service provider does not dynamically assign an IP
address, disable DHCP and enter the address, mask and
gateway details provided for your account.
Select either the Connect on Demand or Keep Alive
option.
Size, in bytes, of the largest packet that can be sent through
the network. This value is typically1500 bytes but might
need to be lower for some broadband services. Check with
your service provider for specific requirements.
(Optional) Enter the IP addresses of up to three Domain
Name System (DNS) servers, or leave the fields blank to
allow a DNS server to be assigned dynamically.
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