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CISCO CERTIFIED INTERNETWORK EXPERT

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CISCO CERTIFIED INTERNETWORK EXPERT

 Control plane and Forwarding plane
 Identify Cisco express forwarding concepts
 RIB, FIB, LFIB, Adjacency table
 Load balancing Hash
 Polarization concept and avoidance

 Unicast flooding
 Out of order packets
 Asymmetric routing
 Impact of micro burst

Implement and troubleshoot HDLC
 Implement and troubleshoot PPP
 Authentication (PAP, CHAP)
 PPPoE

Implement and troubleshoot switch administration
 Managing MAC address table
 errdisable recovery
 Access ports
 VLAN database
 Normal, extended VLAN, voice VLAN
 Implement and troubleshoot trunking
 VTPv1, VTPv2, VTPv3, VTP pruning
 dot1Q
 Native VLAN
 Manual pruning
 LACP, PAgP, manual
 Layer 2, layer 3
 Load‐balancing
 Etherchannel misconfiguration guard
 PVST+/RPVST+/MST
 Switch priority, port priority, path cost, STP timers
 port fast, BPDUguard, BPDUfilter
 loopguard, rootguard
 Multichassis
 VSS concepts
 Alternative to STP
 Stackwise
 Compatibility between MST and RSTP
 STP dispute, STP bridge assurance   

Unicast, multicast
 EUI‐64
 ND, RS/RA
 Autoconfig/SLAAC, temporary addresses (RFC4941)
 Global prefix configuration feature
 DHCP protocol operations
 SLAAC/DHCPv6 interaction
 Stateful, stateless DHCPv6
 DHCPv6 prefix delegation

RPF failure
 RPF failure with tunnel interface
 PIM dense mode, sparse mode, sparse‐dense mode
 Static RP, auto‐RP, BSR
 BiDirectional PIM
 Source‐specific multicast
 Group to RP mapping
 Multicast boundary
 Implement and troubleshoot multicast source discovery protocol
 Intra‐domain MSDP (anycast RP)
 SA filter   

Implement and troubleshoot static routing
 Implement and troubleshoot default routing
 RIP
 EIGRP
 OSPF
 BGP   

MPLS
 Tunneling
 GRE
 Dynamic GRE
 DMVPN
 IPv6 tunneling techniques
 Describe basic layer 2
 IPv4 site to IPv4 site
 IPv6 in IPv4 tunnels
 GET VPN
 HSRP, GLBP, VRRP
 NAT
 QOS  

Implement and troubleshoot IGMP
 IGMPv1, IGMPv2, IGMPv3
 IGMP snooping
 IGMP querier
 IGMP filter

IGMP proxy
Explain MLD
Explain PIM snooping