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velocidad de interfacesint fa 0/1speed 100duplex full======tunk===

interface range fastethernet 0/1-5switchpor t mode trunkswitchport mode trunk native vlan 99no shutdownend=====

SSH=======hostname R1user adm password telnetenable secret ciscoip domain-name duoc.clcrypto key generate rsa (ingresar 1024 en vez de 512)

ip ssh v2

ip ssh authentication-retries 2ip ssh time-out 30line vty 0 15transport input sshlogin local===configurar switch basico===hostname nombreenable secret classno ip domain-lookupline console 0password ciscologinexit

line vty 0 15password ciscologinend====== copiar configuracioncopy running-config startup-config===

PORT-SECURITY===========enconfig tint fa 0/5

switchport port-securityswitchport port-security maximum 2switchport port-security violation shutdownexitint fa 0/11switchport port-securityswitchport port-security maximum 2switchport port-security violation shutdownexitint fa 0/20

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switchport port-securityswitchport port-security maximum 2switchport port-security violation shutdown

enconfig tint fa 0/5switchport port-securityswitchport port-security mac-address 00D0.5888.820Aswitchport port-security violation shutdownexitint fa 0/11switchport port-securityswitchport port-security mac-address 00D0.9787.C727switchport port-security violation shutdownexitint fa 0/20switchport port-securityswitchport port-security mac-address 0000.0C2A.DE2Cswitchport port-security violation shutdownexit

TRONCAL ENTRE SWITCH Y ROUTER

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int range fa0/1-24switchport mode trunkswitchport trunk native vlan 99no shutdown====ROUTERRouter(config)#int fa0/0Router(config-if)#no shuRouter(config-if)#no shutdownRouter(config)#int fa0/0.10

Router(config-subif)#encapsulation dot1Q 10Router(config-subif)#ip address 172.17.10.1 255.255.255.0Router(config-subif)# int fa0/0.20Router(config-subif)#encapsulation dot1Q 20Router(config-subif)#ip address 172.17.20.1 255.255.255.0

Router(config-subif)# int fa0/0.30Router(config-subif)#encapsulation dot1Q 30Router(config-subif)#ip address 172.17.30.1 255.255.255.0

Router(config-subif)# int fa0/0.99Router(config-subif)#encapsulation dot1Q 99 native

Router(config-subif)#ip address 172.17.99.1 255.255.255.0

====VTPvtp mode servervtp domain nonmbredominiovtp password cisco

vtp mode clientvtp mode transparent

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=====stpshow spanning-treedebug spanning-tree eventsshow vlan briefshow spanning-tree vlan 99 priorityS1(config)#spanning-tree vlan 1 priority 4096S1(config)#spanning-tree vlan 10 priority 4096S1(config)#spanning-tree vlan 20 priority 4096S1(config)#spanning-tree vlan 30 priority 4096

S1(config)#spanning-tree mode rapid-pvst

S1(config)#ip default-gateway 192.168.99.1

S1(config)# spanning-tree vlan 1 root primaryS2(config)# spanning-tree vlan 1 root secondaryS1(config)# spanning-tree vlan 1 priority 4096S2(config)# spanning-tree vlan 1 priority 8192

==port fast===interfaceS1(config)#int fa0/1S1(config-if)spanning-tree portfast===todos los puertos===

S1(config)spanning-tree portfast default====asignar ip a vlanS1#int vlan 99ip address 172.17.99.12 255.255.255.0no shutS2#int vlan 99ip address 172.17.99.13 255.255.255.0no shut