Carlos E. R. wrote:
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On 2015-09-15 08:28, Per Jessen wrote:
Try pinging the broadcast address:
ping -b 192.168.1.255
Leave it to do a couple of pings, then :
Ah. I like this trick. But it fails in my network, 100% loss, and arp finds nothing.
Did you use the right broadcast address? For instance, for the office I use 192.168.0.0/21, broadcast 192.168.7.255. # ping -b 192.168.7.255 WARNING: pinging broadcast address PING 192.168.7.255 (192.168.7.255) 56(84) bytes of data. 64 bytes from 192.168.2.250: icmp_seq=1 ttl=255 time=0.283 ms 64 bytes from 192.168.6.80: icmp_seq=1 ttl=64 time=0.502 ms (DUP!) 64 bytes from 192.168.2.85: icmp_seq=1 ttl=64 time=0.579 ms (DUP!) 64 bytes from 192.168.2.86: icmp_seq=1 ttl=64 time=0.592 ms (DUP!) 64 bytes from 192.168.2.84: icmp_seq=1 ttl=64 time=0.595 ms (DUP!) 64 bytes from 192.168.2.249: icmp_seq=1 ttl=64 time=0.598 ms (DUP!) 64 bytes from 192.168.6.161: icmp_seq=1 ttl=64 time=0.600 ms (DUP!) 64 bytes from 192.168.6.21: icmp_seq=1 ttl=64 time=0.603 ms (DUP!) 64 bytes from 192.168.6.78: icmp_seq=1 ttl=64 time=0.606 ms (DUP!) 64 bytes from 192.168.6.146: icmp_seq=1 ttl=64 time=0.609 ms (DUP!) 64 bytes from 192.168.6.152: icmp_seq=1 ttl=64 time=0.611 ms (DUP!) 64 bytes from 192.168.6.91: icmp_seq=1 ttl=64 time=0.614 ms (DUP!) 64 bytes from 192.168.6.79: icmp_seq=1 ttl=64 time=0.616 ms (DUP!) 64 bytes from 192.168.2.82: icmp_seq=1 ttl=64 time=0.646 ms (DUP!) 64 bytes from 192.168.3.1: icmp_seq=1 ttl=64 time=0.937 ms (DUP!) 64 bytes from 192.168.6.144: icmp_seq=1 ttl=64 time=1.66 ms (DUP!) 64 bytes from 192.168.2.51: icmp_seq=1 ttl=64 time=1.71 ms (DUP!) 64 bytes from 192.168.2.229: icmp_seq=1 ttl=64 time=2.63 ms (DUP!) 64 bytes from 192.168.2.5: icmp_seq=1 ttl=255 time=6.21 ms (DUP!) 64 bytes from 192.168.6.24: icmp_seq=1 ttl=64 time=14.1 ms (DUP!) [snip] And the arp table is nicely populated afterwards. -- Per Jessen, Zürich (19.8°C) http://www.hostsuisse.com/ - dedicated server rental in Switzerland. -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse+owner@opensuse.org