Segundo a frase de um amigo de campo, “Jogo é jogo, treino é treino”. Então segue como habilitar o ssh no Dell Power Connect 5424:
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console> enable console# config console(config)# crypto key generate rsa console(config)# crypto key generate dsa console(config)# ip ssh server console(config)# ip ssh port 22 |
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Ai o monitoramento começa a gritar que as ventoinhas “FANs” dos switchs estão chaveando, desliga e liga. Fui analisar, e encontrei que o Switch “Dell Power Connect 5548” possuí uma trigger de temperatura a qual quando caí a temperatura ele desliga e quando sobe liga, e porque será que do nada começou a alarmar? Certeza…
Continue reading →Configurando port trunk em Switchs Cisco, abaixo o cenário: Abaixo configuração da porta:
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Switch(config)#interface gigabitEthernet 0/1 Switch(config-if)#description TRUNK-SW01-SW02 Switch(config-if)#switchport mode trunk Switch(config-if)#exit Switch#copy running-config s Switch#copy running-config startup-config Destination filename [startup-config]? Building configuration... [OK] |
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Switch#show interfaces trunk Port Mode Encapsulation Status Native vlan Gig0/1 on 802.1q trunking 1 Port Vlans allowed on trunk Gig0/1 1-1005 Port Vlans allowed and active in management domain Gig0/1 1 Port Vlans in spanning tree forwarding state and not pruned Gig0/1 1 Switch# |
Referência: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/configuration/guide/cli/CLIConfigurationGuide/AccessTrunk.html
Continue reading →1 – Nome
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Switch>enable Switch#configure terminal Enter configuration commands, one per line. End with CNTL/Z. Switch(config)#hostname SW01-CISCO SW01-CISCO(config)#end %SYS-5-CONFIG_I: Configured from console by console SW01-CISCO#copy running-config startup-config Destination filename [startup-config]? Building configuration... [OK] |
2 – Senhas de acesso
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SW01-CISCO>enable SW01-CISCO#configure terminal SW01-CISCO(config)#enable secret 123456 SW01-CISCO(config)#line console 0 SW01-CISCO(config-line)#password 123456 SW01-CISCO(config-line)#login SW01-CISCO(config-line)#exit SW01-CISCO(config)#line vty 0 15 SW01-CISCO(config-line)#password 123456 SW01-CISCO(config-line)#end SW01-CISCO#copy running-config startup-config Destination filename [startup-config]? Building configuration... [OK] |
3 – Definir endereço ip/gw/dns de gerenciamento
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SW01-CISCO>enable SW01-CISCO#configure terminal SW01-CISCO(config)#interface vlan 1 SW01-CISCO(config-if)#ip address 10.10.10.100 255.255.255.0 SW01-CISCO(config-if)#no shutdown SW01-CISCO(config-if)#exit SW01-CISCO(config)#ip default-gateway 10.10.10.254 SW01-CISCO(config)#ip name-server 10.10.10.254 SW01-CISCO(config)#end SW01-CISCO#copy running-config startup-config Destination filename [startup-config]? Building configuration... [OK] SW01-CISCO#show running-config | incl default-gateway ip default-gateway 10.10.10.254 SW01-CISCO#show ip interface vlan 1 | incl Inter Internet address is 10.10.10.100/24 SW01-CISCO#show running-config | incl name-server ip name-server 10.10.10.254 |
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Criar VLANs – No caso do CISCO 2960 não possuí sintaxe para criar uma range de VLANs, então no notepad++ listar os comandos e colar na CLI
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vlan 30 name test30 vlan 31 name test31 vlan 32 name test32 vlan 33 name test33 LINHA VAZIA |
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Switch>ena Switch#show vlan Switch#vlan database % Warning: It is recommended to configure VLAN from config mode, as VLAN database mode is being deprecated. Please consult user documentation for configuring VTP/VLAN in config mode. Switch(vlan)#vlan 30 name test30 VLAN 30 added: Name: test30 Switch(vlan)#vlan 31 name test31 VLAN 31 added: Name: test31 Switch(vlan)#vlan 32 name test32 VLAN 32 added: Name: test32 Switch(vlan)#vlan 33 name test33 VLAN 33 added: Name: test33 Switch(vlan)#exit APPLY completed. Exiting.... |
Apagar VLANs
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no vlan 30 no vlan 31 no vlan 32 no vlan 33 LINHA VAZIA |
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Switch#vlan database % Warning: It is recommended to configure VLAN from config mode, as VLAN database mode is being deprecated. Please consult user documentation for configuring VTP/VLAN in config mode. Switch(vlan)#no vlan 30 Deleting VLAN 30... Switch(vlan)#no vlan 31 Deleting VLAN 31... Switch(vlan)#no vlan 32 Deleting VLAN 32... Switch(vlan)#no vlan 33 Deleting VLAN 33... Switch(vlan)#exit APPLY completed. Exiting.... |
Referências: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst2950/software/release/12-1_11_yj4/configuration/guide/lrescg/swvlan.html
Continue reading →E chegou o momento de aprender um pouco de Switchs e Routers, cair dentro da console do Switch e desenrolar, então aqui alguns comandos base para iniciarmos os trabalhos. Modos de operações em Switchs, primeiro precisamos entrar em modo de usuário privilegiado com “enable”, e para editar temos o “configure t OU conf t”:
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enable Turn on privileged commands configure Enter configuration mode SW03-CISCO>enable SW03-CISCO#conf t Enter configuration commands, one per line. End with CNTL/Z. SW03-CISCO(config)#exit SW03-CISCO# %SYS-5-CONFIG_I: Configured from console by console SW03-CISCO#disable SW03-CISCO> |
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Continue reading →Habilitar
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SW03-CISCO-RP(config)#interface range gigabitEthernet 1/0/1, gigabitEthernet 1/0/10 SW03-CISCO-RP(config-if-range)#spanning-tree portfast |
Desabilitar
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SW03-CISCO-RP(config-if-range)#no spanning-tree portfast |
Salvar a configuração
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SW03-CISCO-RP#copy running-config startup-config |
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