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Ip range 172.16.1.5 – 172.16.1.6 ciscoasa(config)#dhcpd address 172.16.1.5-172.16.1.6 insideĬiscoasa(config)#dhcpd dns 8.8.8.8 interface inside Configure Default Route on Cisco ASA ciscoasa(config)#route outside 0.0.0.0 0.0.0.0 203.1.1.1 Configure Dynamic Route on Cisco Router (OSPF 1) ISP(config)#router ospf 1 ISP(config-if)#no shutdown Configure DHCP server and DNS server on Cisco ASA ISP(config)#interface gigabitEthernet 0/1 Right now, I ONLY have the console cable attached and am logged in using PuTTy. Before I do that, I'd like to backup the config to a text file on the machine I'm connecting to it from. My office lent me their old ASA 5505 and I plan to do a factory-reset. ISP(config-if)#ip address 203.1.1.1 255.255.255.0 I'm just starting out learning to config Cisco ASA.
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Router ISP ISP(config)#interface gigabitEthernet 0/0 Topology Configuration Assign IP on Cisco ASA and ISP Router and set Interface Inside and Outside on Cisco ASAĬisco ASA ciscoasa(config)#interface vlan 1Ĭiscoasa(config)#no dhcpd address 192.168.1.5-192.168.1.35 insideĬiscoasa(config-if)#ip address 172.16.1.1 255.255.255.0Ĭiscoasa(config-if)#ip address 203.1.1.2 255.255.255.0Ĭiscoasa(config-if)#switchport access vlan 1Ĭiscoasa(config-if)#switchport access vlan 2 They establish a barrier between secured and controlled internal networks that can be trusted and untrusted outside networks, such as the Internet.Ī firewall can be hardware, software, or both.
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A firewall is a network security device that monitors incoming and outgoing network traffic and decides whether to allow or block specific traffic based on a defined set of security rules.įirewalls have been a first line of defense in network security for over 25 years.