Ccna routing and Switching Complete Study Guide

Corp

192.168.10.2/24

Tunnel 0

SF

First, we need to make the logical tunnel with the 

interface tunnel 

number

 command. 

We can use any number up to 2.14 billion.

Corp(config)#

int s0/0/0

Corp(config-if)#

ip address 63.1.1.1 255.255.255.252

Corp(config)#

int tunnel ?

  <0-2147483647>  Tunnel interface number

Corp(config)#

int tunnel 0

*Jan 5 16:58:22.719:%LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, 

changed state to down

Once we have configured our interface and created the logical tunnel, we need to config-

ure the mode and then the transport protocol.

Corp(config-if)#

tunnel mode ?

  aurp    AURP TunnelTalk AppleTalk encapsulation

  cayman  Cayman TunnelTalk AppleTalk encapsulation

  dvmrp   DVMRP multicast tunnel

  eon     EON compatible CLNS tunnel

  gre     generic route encapsulation protocol

  ipip    IP over IP encapsulation

  ipsec   IPSec tunnel encapsulation

  iptalk  Apple IPTalk encapsulation

  ipv6    Generic packet tunneling in IPv6

  ipv6ip  IPv6 over IP encapsulation

  nos     IP over IP encapsulation (KA9Q/NOS compatible)

  rbscp   RBSCP in IP tunnel

Corp(config-if)#