Cisco CISCO851-K9 - 851 Integrated Services Router Configuration Manual page 20

Information Needed for Configuration
Information Needed for Configuration
You need to gather some or all of the following information, depending on your planned network
scenario, prior to configuring your network
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Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide
1-4
If you are setting up an Internet connection, gather the following information:
Point-to-Point Protocol (PPP) client name that is assigned as your login name
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PPP authentication type: Challenge Handshake Authentication Protocol (CHAP) or Password
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Authentication Protocol (PAP)
PPP password to access your Internet service provider (ISP) account
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DNS server IP address and default gateways
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If you are setting up a connection to a corporate network, you and the network administrator must
generate and share the following information for the WAN interfaces of the routers:
PPP authentication type: CHAP or PAP
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PPP client name to access the router
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PPP password to access the router
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If you are setting up IP routing:
Generate the addressing scheme for your IP network.
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Determine the IP routing parameter information, including IP address, and ATM permanent
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virtual circuits (PVCs). These PVC parameters are typically virtual path identifier (VPI), virtual
circuit identifier (VCI), and traffic shaping parameters.
Determine the number of PVCs that your service provider has given you, along with their VPIs
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and VCIs.
For each PVC determine the type of AAL5 encapsulation supported. It can be one of the
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following:
AAL5SNAP—This can be either routed RFC 1483 or bridged RFC 1483. For routed RFC 1483,
the service provider must provide you with a static IP address. For bridged RFC 1483, you may
use DHCP to obtain your IP address, or you may obtain a static IP address from your service
provider.
AAL5MUX PPP—With this type of encapsulation, you need to determine the PPP-related
configuration items.
If you plan to connect over an ADSL or G.SHDSL line:
Order the appropriate line from your public telephone service provider.
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For ADSL lines—Ensure that the ADSL signaling type is DMT (also called ANSI T1.413) or
DMT Issue 2.
For G.SHDSL lines—Verify that the G.SHDSL line conforms to the ITU G.991.2 standard and
supports Annex A (North America) or Annex B (Europe).
Once you have collected the appropriate information, you can perform a full configuration on
your router, beginning with the tasks in the
Chapter 1
"Configuring Basic Parameters"
Basic Router Configuration
section.
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