This a short dump of a debugging sessio on a cisco router about ICMP traffic:
May 24 16:11:37: ICMP: redirect sent to 194.20.232.12 for dest 194.20.237.2,
use gw 194.20.232.4
May 24 16:11:38: ICMP: redirect sent to 194.20.232.1 for dest 194.20.237.132,
use gw 194.20.232.4
May 24 16:11:40: ICMP: redirect sent to 194.20.232.1 for dest 194.20.237.2, use
gw 194.20.232.4
May 24 16:11:41: ICMP: redirect sent to 194.20.232.1 for dest 194.20.245.137,
use gw 194.20.232.4
May 24 16:11:42: ICMP: redirect sent to 194.20.232.12 for dest 194.20.237.2,
use gw 194.20.232.4
May 24 16:11:43: ICMP: redirect sent to 194.20.232.12 for dest 194.20.237.2,
use gw 194.20.232.4
May 24 16:11:44: ICMP: redirect sent to 194.20.232.12 for dest 194.20.237.2,
use gw 194.20.232.4
May 24 16:11:46: ICMP: redirect sent to 194.20.232.1 for dest 194.20.237.2, use
gw 194.20.232.4
May 24 16:11:47: ICMP: redirect sent to 194.20.232.7 for dest 194.20.237.88,
use gw 194.20.232.4
May 24 16:11:48: ICMP: redirect sent to 194.20.232.12 for dest 194.20.237.2,
use gw 194.20.232.4
May 24 16:11:49: ICMP: redirect sent to 194.20.232.12 for dest 194.20.237.2,
use gw 194.20.232.4
May 24 16:11:50: ICMP: redirect sent to 194.20.232.1 for dest 194.20.237.122,
use gw 194.20.232.4
May 24 16:11:51: ICMP: redirect sent to 194.20.232.1 for dest 194.20.237.122,
use gw 194.20.232.4
.1 and .12 are Linux machines that have the router .2 as default gw, the one
from where I got the dump above. Then I type "route -nC" I don't see any .4
(i.e. the redirected gw) in the cache.
[kernel 2.2.x]
Bye.
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