Update information about estrella and urquell

source/pages/guides/acessando-sub-redes-internas.md

source/pages/guides/teorica-dhcpv4.md

source/pages/guides/teorica-firewall.md

source/pages/guides/teorica-roteamento.md

source/pages/machines/base/estrella.md

source/pages/machines/base/roble.md

source/pages/machines/base/urquell.md

source/pages/proposals/gerenciamento-redes-netbox.md

source/pages/proposals/mover-boot-remoto-urquell.md

source/pages/services/duvel-ipmi.md

source/pages/services/estrella-boot-remoto.md

source/pages/services/estrella-dhcpv4.md

source/pages/services/estrella-firewall.md

source/pages/services/estrella-roteamento.md

source/pages/services/forsyn-monitoramento-zabbix.md

source/pages/services/roble-relay-dhcp.md

source/pages/services/urquell-dns.md

source/pages/services/urquell-firewall.md

source/pages/services/urquell-roteamento.md

source/pages/virtuals/bbb.md