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Cisco 10000 Series Router Software Configuration Guide
OL-2226-23
Chapter 3 Configuring Remote Access to MPLS VPN
Configuration Tasks for RA to MPLS VPN
• Reserved: undefined
• NAS IP address: 0x0B010181 (hexadecimal value of 11.1.1.129)
• NAS Port
–
Interface (slot/module/port): 0x40 (The slot/module/port values are 01 00/0/000.)
–
VPI: 0x58 (hexadecimal value of 88)
–
VCI: 0x320 (hexadecimal value of 800)
Example 3-7 Configuring Option 82 for RBE
ip dhcp-server 172.16.1.2
!
ip dhcp relay information option
!
interface Loopback0
ip address 11.1.1.129 255.255.255.192
!
interface ATM4/0
no ip address
!
interface ATM4/0.1 point-to-point
ip unnumbered Loopback0
ip helper-address 172.16.1.2
atm route-bridged ip
pvc 88/800
encapsulation aal5snap
!
interface Ethernet 5/1
ip address 172.16.1.1 255.255.0.0
!
router eigrp 100
network 10.0.0.0
network 172.16.0.0
!
rbe nasip Loopback0
Configuring DHCP Relay Support for MPLS VPN Suboptions
To configure DHCP relay support for MPLS VPN suboptions, enter the following commands beginning
in global configuration mode:
Command Purpose
Step 1
Router(config)# ip dhcp relay information
option vpn
Enables the system to insert VPN suboptions into the DHCP relay
agent information option in forwarded BOOTREQUEST
messages to a DHCP server. Sets the gateway address to the
outgoing interface toward the DHCP server. The VPN suboptions
are also added to the BOOTP broadcast packets when the
command is configured.