.1166..33..11
225555..225555..225555..00
Assigns IP address and
netmask
R3(config-if)#iinntteerrffaaccee sseerriiaall 00//00//00 Moves to interface
con?¬?guration mode
R3(config-if)#iipp aaddddrreessss 117722..1166..2200..66
225555..225555..225555..225522
Assigns IP address and
netmask
R3(config-if)#mmppllss iipp Enables MPLS on this
interface
R3(config-if)#nnoo sshhuuttddoowwnn Activates interface
R3(config-if)#eexxiitt Returns to global
con?¬?guration mode
R3(config)#rroouutteerr eeiiggrrpp 11 Enables the EIGRP
routing process for AS 1
R3(config-router)#nneettwwoorrkk 117722..1166..00..00 Speci?¬?es which network
to advertise in EIGRP
Con?¬?guration Example: Con?¬?guring Frame Mode MPLS 31
R3(config-router)#nnoo aauuttoo--ssuummmmaarryy Turns off the autosummarization
feature
R3(config-router)#eexxiitt Returns to global
con?¬?guration mode
R3(config)#eexxiitt Returns to privileged
mode
R3#ccooppyy rruunnnniinngg--ccoonnffiigg ssttaarrttuupp--ccoonnffiigg Saves con?¬?guration in
NVRAM
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CHAPTER 4
IPsec VPNs
This chapter provides information and commands concerning the following topics:
??? Con?¬?guring a teleworker to branch of?¬?ce VPN using CLI
??? Con?¬?guring IPsec site-to-site VPNs using CLI
??? Con?¬?guring IPsec site-to-site VPNs using SDM
??? Con?¬?guring GRE tunnels over IPsec
??? Con?¬?guring a static IPsec virtual tunnel interface
??? Con?¬?guring High Availability VPNs
??” IPsec backup peers
??” Hot Standby Routing Protocol (HSRP)
??” IPsec stateful failover
??” Backing Up WAN connections with IPsec VPNs
??? Con?¬?guring Easy VPN Server using Cisco SDM
??? Implementing the Cisco VPN Client
Much of this chapter references the network topology shown in Figure 4-1.
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