irom's Blog

Cisco on Unix – IOU

Posted on: September 4, 2012

Last year I’ve seen news about IOU – Cisco IOS running on Unix. I was using GNS3 in the past, had not time to try IOU until last weekend. I’ve created Amazon EC2 Ubuntu instance with half of GB memory and run 3 routers connected with LAN interface. It worked great, see below

R1#sh cdp neighbors
Capability Codes: R – Router, T – Trans Bridge, B – Source Route Bridge
S – Switch, H – Host, I – IGMP, r – Repeater

Device ID        Local Intrfce     Holdtme    Capability  Platform  Port ID
R2               Eth 0/0            159           R       Linux Uni Eth 0/0
R3               Eth 0/0            160           R       Linux Uni Eth 0/0
R1#ping 10.0.0.2

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.0.2, timeout is 2 seconds:
.!!!!
Success rate is 80 percent (4/5), round-trip min/avg/max = 8/10/12 ms
R1#ping 10.0.0.3

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.0.3, timeout is 2 seconds:
.!!!!
Success rate is 80 percent (4/5), round-trip min/avg/max = 8/10/12 ms

As you can see with ‘top -u ubuntu’ memory and CPU requirements are very low.

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