Abrer_Wiki

User Tools

Site Tools

Trace: • password_recovery
icnd1:gre

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision 		Previous revision
icnd1:gre [2024/03/14 16:27]
114.119.141.71 old revision restored (2023/10/24 12:04) 		icnd1:gre [2024/03/14 16:48] (current)
114.119.149.71 old revision restored (2017/07/23 16:50)
Line 3: Line 3:
  
 ====Configuration Example==== ====Configuration Example====
-=== Topology === 
 Assuming all destinations are ''**routable**'' -- creating a basic ''**GRE Tunnel**'' over the following topology: Assuming all destinations are ''**routable**'' -- creating a basic ''**GRE Tunnel**'' over the following topology:
 {{:icnd1:gre-topology.png?nolink|}} {{:icnd1:gre-topology.png?nolink|}}
Line 10: Line 9:
   * 3 routers / 2 subnets   * 3 routers / 2 subnets
   * R1 and R3 Loopback0 interfaces   * R1 and R3 Loopback0 interfaces
-  * We will create the 172.16.0.0 /30 GRE Tunnels over R1 and R3. +  * We will create 172.16.0.0 /30 GRE Tunnel.
- +
- +
- +
-=== Tunnel Configuration === +
-R1-- +
-<code> +
-R1#conf t +
-Enter configuration commands, one per line.  End with CNTL/Z. +
-R1(config)#int tunnel 100 +
-R1(config-if)#tunnel source loopback 0 +
-R1(config-if)#tunnel destination 10.35.0.1 +
-*Mar  1 00:01:05.803: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel100, changed state to up +
-</code> +
- +
-  * At this point of R1, Tu100 is UP/UP and 172.16.0.0/30 is directly connected via Tu100 in the table. Pings to 172.16.0.2 fail until R3 is configured. +
- +
-R3-- +
-<code> +
-R3#conf t +
-Enter configuration commands, one per line.  End with CNTL/Z. +
-R3(config)#interface tunnel 100 +
-R3(config-if)#ip address 172.16.0.2 255.255.255.252 +
-R3(config-if)#tunnel source loopback 0 +
-R3(config-if)#tunnel destination 10.15.0.1 +
-*Mar  1 00:12:56.219: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel100, changed state to up +
-</code> +
- +
-  * Ping and traceroute results below from R1 to R3 via Lo0 and Tu100. +
- +
-<code> +
-Gateway of last resort is not set +
- +
-     172.16.0.0/30 is subnetted, 1 subnets +
-C       172.16.0.0 is directly connected, Tunnel100 +
-     10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks +
-C       10.10.0.0/24 is directly connected, FastEthernet0/0 +
-C       10.15.0.1/32 is directly connected, Loopback0 +
-O       10.20.0.0/24 [110/20] via 10.10.0.2, 00:11:28, FastEthernet0/0 +
-O       10.35.0.1/32 [110/21] via 10.10.0.2, 00:11:28, FastEthernet0/0 +
- +
- +
-R1#ping 172.16.0.2 <-- R3 Tu100 interface +
-Type escape sequence to abort. +
-Sending 5, 100-byte ICMP Echos to 172.16.0.2, timeout is 2 seconds: +
-!!!!! +
-Success rate is 100 percent (5/5), round-trip min/avg/max = 12/22/32 ms +
- +
-R1#traceroute 172.16.0.2 <-- R3 Tu100 interface +
- +
-Type escape sequence to abort. +
-Tracing the route to 172.16.0.2 +
- +
-  1 172.16.0.2 44 msec 40 msec 40 msec +
-   +
-   +
-R1#traceroute 10.35.0.1 <-- R3 Lo0 interface +
- +
-Type escape sequence to abort. +
-Tracing the route to 10.35.0.1 +
- +
-  1 10.10.0.2 40 msec 8 msec 12 msec +
-  2 10.20.0.2 16 msec 36 msec 24 msec +
-</code>+
icnd1/gre.1710433634.txt.gz · Last modified: 2024/03/14 16:27 by 114.119.141.71

Page Tools

Except where otherwise noted, content on this wiki is licensed under the following license: CC Attribution-Share Alike 4.0 International
CC Attribution-Share Alike 4.0 International Donate Powered by PHP Valid HTML5 Valid CSS Driven by DokuWiki