20% 1.0 Layer 2 Technologies
1.1 LAN switching technologies
1.1.a Implement and troubleshoot switch administration
1.1.a (i) Managing MAC address table
1.1.a (ii) errdisable recovery
1.1.a (iii) L2 MTU
1.1.b Implement and troubleshoot layer 2 protocols
1.1.b (i) CDP, LLDP
1.1.b (ii) UDLD
1.1.c Implement and troubleshoot VLAN
1.1.c (i) access ports
1.1.c (ii) VLAN database
1.1.c (iii) normal, extended VLAN, voice VLAN
1.1.d Implement and troubleshoot trunking
1.1.d (i) VTPv1, VTPv2, VTPv3, VTP pruning
1.1.d (ii) dot1Q
1.1.d (iii) Native VLAN
1.1.d (iv) Manual pruning
1.1.e Implement and troubleshoot etherchannel
1.1.e (i) LACP, PAgP, manual
1.1.e (ii) layer 2, layer 3
1.1.e (iii) load-balancing
1.1.e (iv) etherchannel misconfiguration guard
1.1.f Implement and troubleshoot spanning-tree
1.1.f (i) PVST+/RPVST+/MST
1.1.f (ii) switch priority, port priority, path cost, STP timers
1.1.f (iii) port fast, BPDUguard, BPDUfilter
1.1.f (iv) loopguard, rootguard
1.1.g Implement and troubleshoot other LAN switching technologies
2013 Cisco Systems, Inc. This document is Cisco Public. Page 2
1.1.g (i) SPAN, RSPAN, ERSPAN
1.2 Layer 2 Multicast
1.2.a Implement and troubleshoot IGMP
1.2.a (I) IGMPv1, IGMPv2, IGMPv3
1.2.a (ii) IGMP snooping
1.2.a (iii) IGMP querier
1.2.a (iv) IGMP filter
1.2.a (v) IGMP proxy
1.3 Layer 2 WAN circuit technologies
1.3.a Implement and troubleshoot HDLC
1.3.b Implement and troubleshoot PPP
1.3.b (i) authentication (PAP, CHAP)
1.3.b (ii) PPPoE
1.3.b (iii) MLPPP
1.4 Troubleshooting layer 2 technologies
1.4.a Use IOS troubleshooting tools
1.4.a (i) debug, conditional debug
1.4.a (ii) ping, traceroute with extended options
1.4.a (iii) Embedded packet capture
1.4.b Apply troubleshooting methodologies
1.4.b (i) Diagnose the root cause of networking issue (analyze symptoms,
identify and describe root cause)
1.4.b (ii) Design and implement valid solutions according to constraints
1.4.b (iii) Verify and monitor resolution
1.4.c Interpret packet capture
1.4.c (i) Using wireshark trace analyzer
1.4.c (ii) Using IOS embedded packet capture