Tag Archives: nat

HSRP/VRRP and NAT redunctancy (Cisco Stateful NAT)

ip nat inside source static 192.168.1.100 192.168.0.100 redundancy MYHSRP Star-crossed Lovers: HSRP/VRRP and NAT | Aaron’s Worthless Words.

Posted in Cisco | Tagged , , , | 2 Comments

CISCO IOS – Dual Internet Connections without BGP enabled ISP

Dual-homed environments with different ISPs have usually meant that BGP must be used and that both ISPs must support BGP routing. Throughout this tutorial, I will show you how you can have mulitple ISPs without BGP or provider independant IP … Continue reading

Posted in Uncategorized | Tagged , , | Leave a comment

CISCO IOS NAT Load-Balancing with Optimized Edge Routing for Two Internet Connections

track timer interface 5 ! ! Configure timers on route tracking ! track 123 rtr 1 reachability delay down 15 up 10 ! track 345 rtr 2 reachability delay down 15 up 10 ! ! Use “ip dhcp client route … Continue reading

Posted in Cisco | Tagged , , , , , , | Leave a comment

CISCO IOS NAT Load-Balancing for Two ISP Connections (route-map)

interface FastEthernet0 ip address dhcp ip nat outside ip virtual-reassembly ! interface FastEthernet1 no ip address pppoe enable no cdp enable ! interface FastEthernet2 no cdp enable ! ! interface Vlan1 description LAN Interface ip address 192.168.108.1 255.255.255.0 ip nat … Continue reading

Posted in Uncategorized | Tagged , , , | Leave a comment

Configuring dynamic NAT with route-maps

interface Ethernet0 ip address 10.1.1.1 255.0.0.0 ip nat inside !–This connects to the Corporate network, designated as the NAT inside interface. interface Serial0 ip address 192.168.1.1 255.255.255.252 ip nat outside !—This connects to the Internet through ISP-1, designated as the … Continue reading

Posted in Cisco | Tagged , , | Leave a comment

Enabling Static NAT Route Mapping Example

Enabling Static NAT Route Mapping Example The following example shows the use of route mapping with static NAT translations: interface Ethernet3 ip address 209.165.201.1 255.255.255.0 ip nat outside media-type 10BaseT ! interface Ethernet4 ip address 209.165.201.5 255.255.255.0 ip nat outside … Continue reading

Posted in Cisco | Tagged , | Leave a comment