Cisco-based enterprise network built in GNS3 with HQ and Branch sites. Uses GRE tunnel, OSPF routing, VRRP gateway redundancy, DNS,HTTP, DHCP, Rsyslog,PuTTY, and Zabbix monitoring.
enterprise cisco dhcp routing ospf zabbix putty kvm switching dnsmasq qemu network-monitoring rsyslog apache2 vrrp access-control troubleshooting gns3 gre-tun
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Updated
Jan 31, 2026