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CHAPTER 15: IP SERVICES (First-Hop Redundancy (Virtual Router Redundancy…
CHAPTER 15:
IP SERVICES
Time Synchronization
Network Time Protocol
RFC 958
Stratum
ntp server
ip-address
[prefer]
ntp master
stratum -number
ntp peer
ip-address
First-Hop Redundancy
Hot Standby Router Protocol
Cisco proprietary
HSRP version 1
MAC: 224.0.0.2
IP: 0000.0C07.ACxy
HSRP version 2
MAC: 224.0.0.12
IP: 0000.0C9F.F000-FFFF
Virtual Router Redundancy Protocol
RFC 3768
Master + Backup Routers
VRRPv2 (Legacy) vs VRRPv3 (Hierarchical)
fhrp version vrrp v3
MAC: 0000.5e00.01xx
IP: 224.0.0.18
Global Load Balancing Protocol
Active Virtual Gateway (AVG)
Active Virtual Forwarder (AVF)
Load Balancing
Round Robin
Weighted
Host Dependent
Network Address Translation
Topology
Inside Local
Inside Global
Outside Local
Outside Global
Types
Static NAT
Inside Static NAT
Outside Static NAT
Pooled NAT
NAT Overload (PAT)