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Trace route, problem

feroz syed
Level 3
Level 3

gns topo.jpeg.jpeg

This is eigrp topology, when i do a traceroute from  Branch 1 to Branch 3 router it show like this

Branch1#traceroute 10.1.3.1

Type escape sequence to abort.

Tracing the route to 10.1.3.1

  1 193.10.26.1 64 msec

    193.10.25.1 40 msec

    193.10.26.1 20 msec

  2 193.10.24.2 40 msec

    193.10.24.6 24 msec

    193.10.24.2 8 msec

If you see the output what is the meaning of 1 and 2 ?? and why it displaying two times same ip.  waiting for your replys......

1 Accepted Solution

Accepted Solutions

cadet alain
VIP Alumni
VIP Alumni

Hi,

packets originated by or destined to the router are process switched and  load-sharing for process switched packets is per packet.So  first udp packet is sent to 26.1 then next to 25.1 and next to 26.1 again.

It means you have 2 paths to go to destination on which you are load-sharing with a share ratio of 1:1

Regards

Alain

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View solution in original post

4 Replies 4

cadet alain
VIP Alumni
VIP Alumni

Hi,

packets originated by or destined to the router are process switched and  load-sharing for process switched packets is per packet.So  first udp packet is sent to 26.1 then next to 25.1 and next to 26.1 again.

It means you have 2 paths to go to destination on which you are load-sharing with a share ratio of 1:1

Regards

Alain

Don't forget to rate helpful posts.

Don't forget to rate helpful posts.

Thanks for your reply alain, but why it not end with 10.1.3.1 ?

Hi,

It should and your traceroute output is not complete here.

Regards

Alain

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No i paste it completly, i ll paste it here again

Branch1#ping 10.1.3.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 10.1.3.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 4/30/64 ms

Branch1#traceroute 10.1.3.1

Type escape sequence to abort.

Tracing the route to 10.1.3.1

  1 193.10.26.1 80 msec

    193.10.25.1 40 msec

    193.10.26.1 20 msec

  2 193.10.24.2 8 msec

    193.10.24.6 32 msec

    193.10.24.2 8 msec

Branch1#

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