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Hi friends...I tried to get the MAC address of my only ethernet card eth0 (configured as DHCP). I got different results with the two commands arp and ifconfig.Can anybody explain ...
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- 03-26-2007 #1
- Join Date
- Feb 2007
Different MAC addresses for same card
[root@localhost ~]# arp -an ? (192.168.1.1) at 00:17:7C:01:E5:75 [ether] on eth0 [root@localhost ~]# [root@localhost ~]# ifconfig eth0 eth0 Link encap:Ethernet HWaddr 00:19:5B:6B:F2:55 inet addr:192.168.1.2 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::219:5bff:fe6b:f255/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:3049 errors:0 dropped:0 overruns:0 frame:0 TX packets:2559 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1638976 (1.5 MiB) TX bytes:382240 (373.2 KiB) Interrupt:9 Base address:0x6c00 [root@localhost ~]#
- 03-26-2007 #2
- Join Date
- Mar 2007
MAC address of your NIC is 00:19:5B:6B:F2:55.
As you can seen 'arp -en' shows MAC addresses of your neighbours.
In this case 192.168.1.1 has address 00:17:7C:01:E5:75.