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Configuring an EX2200 Virtual Chassis

Configuring an EX2200 Virtual Chassis (CLI Procedure) date_range 23-Sep-19 info_outline Platform and Release Support You configure an EX2200 Virtual Chassis by configuring interfaces connecting EX2200 switches into Virtual Chassis ports (VCPs). Optical interfaces on EX2200 and EX2200-C switches can be configured into VCPs and can be used to connect EX2200 switches into a Virtual Chassis over short and long distances (up to 49.7 miles). All RJ-45 interfaces, including built-in network ports with 10/100/1000BASE-T Gigabit Ethernet connectors and 1000BASE-T RJ-45 transceivers, on EX2200 and EX2200-C switches can also be configured into VCPs. An EX2200 Virtual Chassis can be configured with either: A preprovisioned configuration—You can deterministically control the member ID and role assigned to a member switch by tying it to its serial number. A nonprovisioned configuration—The master sequentially assigns a member ID to other member switches. The role is dete...
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Monitoramento DUDE

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Copyrigth   Willians Oliveira - Infraestrutura de TI: The Dude para monitoramento de serviços e servidores (williansco.blogspot.com)   The Dude para monitoramento de serviços e servidores Fala Pessoal, Depois de um tempo sem postar nada! (correria) hoje vou compartilhar com vocês como configurar o The Dude. Acredito que muitos que estão lendo esse artigo já tiveram algum tipo de contato com essa ferramenta e já a conhecem.  Mas para aqueles que nunca ouviram falar, basicamente o The Dude é uma ferramenta FREE que permite monitorar seu ambiente de rede incluindo servidores, switchs, roteadores e muitos mais. Uma vez instalado, o Dude permite realizar um scan em sua rede para encontrar todos os dispositivos ao alcance de uma sub-rede especifica. Outras informações mais detalhadas, como informações sobre o disco, CPU, memória são capturadas através do Protocolo SNMP A ideia desse artigo, é demonstrar possíveis customizações no Dude afim de tornar sua interface um tanto ...
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LIMPIAR IP CONFLICT CISCO

  DHCP conflict logging: the true story The on-line configuration help for the ip dhcp conflict logging configuration command ( logging: Record address conflicts in a log file ) is one of the more misleading texts I've found in Cisco IOS (and the CCO documentation is not much better). Here's how it actually works ... If you have configured ip dhcp ping parameters (highly recommended), the router will ping the IP address it intends to allocate to a client before replying to the DHCP request. If the router receives ICMP Echo Reply message (response to ping), the address is obviously in use. If the DHCP conflict logging is enabled (default), the router will log the conflict with a syslog message (not in a separate log file) and put the address on the list of conflicts. The addresses on that list (displayed with show ip dhcp conflict ) are not used in the future (similar to the addresses configured with the ip dhcp excluded-addresses command). To reuse a conflictin...
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