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Lab - 17 - Routing Protocols & Configuration
http://www.4shared.com/rar/6O3LuFEj/Lab-17-WAN_Configuration.html 1) Configure the topology
2) Configure Point-to-Point WAN / Lease Line 3) Configuring Internet Access Routers 4) Internet Access Router Verification
1. Configure the topology
Design and configure the topology as shown below:
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ii. Router R2
2. Configure Point-to-Point WAN / Lease Line
i. Configure HDLC
In LAN IOS by default uses the Ethernet as Data Link (L2) protocol, so no Layer 2 commands are required. Similarly, serial interfaces use HDLC typically need no specific Layer 1 or 2 configuration commands. IOS defaults to use HDLC as the data link protocol, so there are no required commands that relate to Layer 2.
www.asghars.blogspot.com 3 Router R2:
ii. Configure PPP
To migrate from a working HDLC link to a working PPP link, the only command needed is an
encapsulation ppp command on each of the two routers’ serial interfaces.
www.asghars.blogspot.com 4 Router R2:
3. Configuring Internet Access Routers
Internet access routers built specifically for consumer ship from the factory with DHCP client services enabled on the Internet-facing interface, DHCP server functions enabled on the local interface, and PAT functions enabled.
www.asghars.blogspot.com 5 Enterprise routers, which have many features and may not necessarily be used as Internet access routers, ship from the factory without these features enabled by default.
i. Configure the Topology
Design and modify the topology as shown below:
a. NIO Ethernet of LAN cloud is configured as VMNet3, while ISP cloud is configured with loopback. This will act as ISP providing Internet connection.
www.asghars.blogspot.com 6 c. Disable DHCP on VMNet3 so that client can pick IP from our DHCP pool.
www.asghars.blogspot.com 7 d. Configure R1
The interface fa1/0 is the Internet-facing interface; it will acquire its IP address from DHCP. Configure R1 for SDM connection.
ii. Install and Access SDM
To access the router R1 through SDM, in SDM Launcher enter the IP address 10.1.129.1 (router’s loopback) and click Launch button.
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iii. Configure DHCP and PAT
a. To configure the DHCP client feature on the Internet-facing interface (fa1/0) and, the PAT feature. From the SDM Home page click ConfigureInterfaces and Connections
b. On the Create Connection tab, choose the Ethernet (PPPoE or Unencapsulated Routing) radio button and click the Create New Connection button near the bottom of the tab.
www.asghars.blogspot.com 9 c. On SDM Ethernet Wizard just click Next.
d. On next screen check Enable PPP over Ethernet (PPPoE) encapsulation.
As you can see near the top of figure wizard picked a fa1/0. The router used in this example has three LAN interfaces, two of which already have an IP addresses assigned. The wizard picked the only LAN interface that did not already have an IP address, namely fa1/0, on which it will enable the DHCP client function. Click Next.
e. On IP Address page select Dynamic (DHCP Client). Click Next.
f. Skip the Authentication page.
g. On Advanced options page select Port Address Translation. Select the fa2/0 from the LAN Interface to Be Translated drop-down box (this lists the inside interface), which means that the listed interface is connected to the local LAN.
www.asghars.blogspot.com 10 h. Click Next to move to the Summary page. Click Finish. SDM builds the configuration and loads it into the router’s running-config file. To save the configuration, click the save button near the top of the SDM home page to make the router do a copy running-config startup-config command to save the configuration.
iv. Plan for DHCP Services
Plan the subset of the private IP network on the local LAN that you intend to allow to be assigned using DHCP. Find the DNS server IP addresses learned by the router using DHCP client services, also find the domain name.
www.asghars.blogspot.com 11 Private IP address range reserved: 192.168.1.101 – 192.168.1.254. In our example we don’t have configured DNS and domain name so let’s skip it.
v. Configure DHCP Server
a. In SDM click ConfigureAdditional Tasks.
b. Select the DHCP Pools option on the left and then click the Add button to open the Add DHCP Pool dialog box.
c. Fill the dialog fields as shown below:
www.asghars.blogspot.com 12 Whew! We are done with configuring an Internet access router.
4. Internet Access Router Verification
i. Check can we open a website. If a web page opens, that is a good indication that the access router configuration worked. If not, go to next step.
ii. Use the ipconfig /all or ifconfig command to find out if the PC learned an IP address, mask, default gateway, and DNS IP addresses as configured in the DHCP server configuration on the router.
iii. Check the cabling between the router and the local LAN, and between the router and the cable or DSL modem. Then check the SDM configuration to ensure that the inside interface per the PAT configuration is the interface connected to the local LAN, and the outside interface per the PAT configuration is connected to the DSL/cable modem.
