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Figure 145 Network diagram
Procedure
1.
Configure the RADIUS server: (This section uses the Linux Free RADIUS server as an
example.)
# Add BRAS IP address 4.4.4.2 and secret radius to the clients.conf file.
client 4.4.4.2/32 {
ipaddr = 4.4.4.2
netmask=32
secret=radius
}
# Add the username and password to the users user information file. The username is the host
IP address, and the password is radius.
2.2.2.2
2.
Configure the BRAS:
a. Configure IP addresses for interfaces. (Details not shown.)
b. Configure a RADIUS scheme:
# Create a RADIUS scheme named rs1 and enter its view.
<Device> system-view
[Device] radius scheme rs1
# Configure primary servers and keys for authentication and accounting.
[Device-radius-rs1] primary authentication 4.4.4.1
[Device-radius-rs1] primary accounting 4.4.4.1
[Device-radius-rs1] key authentication simple radius
[Device-radius-rs1] key accounting simple radius
# Exclude the ISP name from the username sent to the RADIUS server.
[Device-radius-rs1] user-name-format without-domain
[Device-radius-rs1] quit
c. Configure the ISP domain:
# Create an ISP domain named dm1 and enter its view.
[Device] domain dm1
# Configure dm1 to use RADIUS scheme rs1.
[Device-isp-dm1] authentication ipoe radius-scheme rs1
[Device-isp-dm1] authorization ipoe radius-scheme rs1
[Device-isp-dm1] accounting ipoe radius-scheme rs1
[Device-isp-dm1] quit
d. Configure IPoE:
# Enable IPoE and configure Layer 3 access mode on GigabitEthernet 3/1/2.
[Device] interface gigabitethernet 3/1/2
[Device–GigabitEthernet3/1/2] ip subscriber routed enable
# Enable the unclassified-IP user.
Cleartext-Password :="radius"
417
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Troubleshooting
