Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] cabling Category 5 crossover cables connecting to switch console port Ethernet, distance limitations Fast Ethernet specifications calculating, Root Path Cost CAM (Content Addressable Memory) tables 2nd duplicate entries, handling entries, viewing stale entries static entries, configuring troubleshooting campus networks building block enterprise edge block network management block server farm block service provider edge block LAN segmentation model 2nd models modular designs core block switch block network traffic models predictable network model shared network model campus-wide VLANs, deploying canonical format Catalyst switches autosensing CDP Fast Ethernet ports file management configuration files image files moving files files systems NSF configuring port security PortFast feature ports, configuring power supply redundancy, configuring redundancy modes remote access securing, best practices SPAN local SPAN RSPAN VSPAN supervisor synchronization, configuring Category 5 crossover cables CatOS host name, changing passwords troubleshooting cd flash command CDP (Cisco Discovery Protocol) discovering network topology inter-switch communication viewing neighboring device information cdp enable command CEF (Cisco Express Forwarding) 2nd [See also fallback bridging] adjacency table configuring FIB 2nd glean state, ARP throttling packet rewrites process switching verifying CFI (Canonical Format Indicator) CGMP (Cisco Group Membership Protocol) channel-protocol command Cisco IOS Software Cisco IP Phones inline power PoE configuring powered device detection verifying power status trunking modes classification client mode (VTP) 2nd collapsed core block collisions domain preventing commands cd flahs cdp enable channel-protocol copy flash debug commands debug spanning-tree switch state delete flash dir erase flash errdisable detect cause format flash interface range lacp port-priority name no shutdown show adjacency summary show cdp neighbors detail show commands, troubleshooting show etherchannel load-balance show etherchannel port show etherchannel port-channel show etherchannel summary show glbp show interface 2nd show interface status show interface trunk show interfaces switchport show ip cef show ip interface show ip interface brief show lacp sys-id show mac address-table show port-security interface show power show spanning-tree interface 2nd show spanning-tree vlan 2nd show vlan 2nd show vlan id show vpt counters show vtp show vtp status 2nd show, output, filtering shutdown 2nd spanning-tree guard loop spanning-tree guard root spanning-tree portfast speed switchport 2nd 3rd udld vtp mode transparent community VLANs comparing Ethernet switches STP switch ports, roles versus states transparent bridges conceding, HSRP router election Configuration BPDUs configuring ARP inspection BackboneFast Catalyst switch redundancy mode supervisor synchronization CEF DHCP snooping dual core block EtherChannel LACP load balancing PAgP Ethernet switch ports fallback bridging files interVLAN routing Layer 2 ports Layer 3 ports SVI ports LACP EtherChannel modular network designs MST NSF on Catalyst switches PAgP negotiation PIM, dense mode PIM-SM PoE port security, Catalyst switches port-based authentication PortFast power supply redundancy, Catalyst switches PVLANs QoS, trust RPVST+ RSPAN RSTP static CAM table entries static VLANs STP network diameter value Root Bridge timers UDLD switch ports UDLD, message interval VACLs VLAN trunks voice VLANs VRRP VTP client mode example configuration management domains pruning server mode transparent mode version congestion 80/20 rule relieving connecting switch block devices to console ports connectivity core block logical switch ports, troubleshooting connectors, GbE consistency checks, VTP version 2 console ports convergence controlling on STP BackboneFast PortFast UplinkFast RSTP port types topology STP timers TCN BPDUs copy flash command copying, running-config files to startup-config core block 2nd collapsed core dual core scaling core layer crashinfo file criteria for process switching crossover cables, Category 5 CSMA/CD (carrier sense multiple access collision detect) CST (Common Spanning Tree) current traffic patterns, assessing customizing, STP Port ID Root Path Cost timers |