On Sun, May 15, 2011 at 1:39 AM, JD <jd1008@xxxxxxxxx> wrote: > On 05/14/11 22:02, Shane Dawalt wrote: >> >> Usually, firewalls don't inhibit ARP entries. To test this theory, >> try "ping 192.168.1.70" from your 192.168.1.108 box. Directly after >> that, issue the command "arp -a". If ARP works, you should see >> something like this. >> >> ? (10.1.1.1) at 00:30:ab:13:9e:3d [ether] on eth0 >> >> (On my net, 10.1.1.1 is my gateway.) If it doesn't work, you'll see >> something like this: >> >> ? (10.1.1.253) at<incomplete> on eth0 >> >> where 10.1.1.253 is a non-existent machine on my network. And you'll >> see ping responses such as these: >> >> PING 10.1.1.253 (10.1.1.253) 56(84) bytes of data. >> From 10.1.1.21 icmp_seq=2 Destination Host Unreachable >> From 10.1.1.21 icmp_seq=3 Destination Host Unreachable >> From 10.1.1.21 icmp_seq=4 Destination Host Unreachable >> >> You've already posted something like this, so it's a good bet ARPs >> aren't working. So the wireless router is a good bet at this point. >> >> Shane > On the Fedora Machine: > # arp -a > ? (192.168.1.254) at 0:1d:1a:00:91:c1 [ether] on wlan0 > > On the PowerBook Machine: > # arp -na > ? (192.168.1.1) at 0:28:fe:6:ef:7 on en1 [ethernet] > ? (192.168.1.108) at (incomplete) on en1 [ethernet] > ? (192.168.1.254) at 0:1d:1a:00:91:c1 on en1 [ethernet] > ? (192.168.1.255) at ff:ff:ff:ff:ff:ff on en1 [ethernet] > > Now this is really strange! > Fedora's arp reports only the gateway! > Whereas PowerBooks arp reports the gateway, the wired machine > 192.168.1.1 and even the Fedora machine it cannot ping: 192.168.1.108 The PowerBook doesn't report the MAC address of 192.168.1.108 (as Shane expected) because it prints the MAC address as "(incomplete)" - confirming that your pings aren't reaching your Fedora box. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
