Difference between revisions of "Vrf Cisco IOS"
From Teknologisk videncenter
m (New page: VRF means ''Virtual Routing and Forwarding'' or ''VPN Routing and Forwarding''. A VRF is a Routing instance on a physical Router or Layer 3 switch. A Routing instance keeps its own Routin...) |
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Revision as of 08:31, 31 March 2010
VRF means Virtual Routing and Forwarding or VPN Routing and Forwarding.
A VRF is a Routing instance on a physical Router or Layer 3 switch. A Routing instance keeps its own Routing Table and owns its own interfaces. There can be several VRF's on a Router.
A simple VRF Example
ip vrf INTERNET
description Routing instance INTERNET
rd 65200:1
!
interface Vlan101
description SF Forbindelse til Internet
ip vrf forwarding INTERNET
ip address 222.2.2.66 255.255.255.252
!
interface Vlan111
description SF DMZ zone
ip vrf forwarding INTERNET
ip address 204.0.0.33 255.255.255.240
!
ip route vrf INTERNET 0.0.0.0 0.0.0.0 222.2.2.65
ip route vrf INTERNET 172.21.0.0 255.255.0.0 204.0.0.34
ip route vrf INTERNET 172.22.0.0 255.255.0.0 204.0.0.34
ip route vrf INTERNET 192.168.100.0 255.255.255.0 204.0.0.34
Some Useful commands
R1#ping vrf INTERNET 8.8.8.8
R1#show ip route vrf INTERNET
R1#telnet 204.2.1.2 /vrf INTERNET
R1#traceroute vrf INTERNET 192.168.7.8
R1#show ip arp vrf INTERNET