Tak sem zase vylepsil HWA ted zna i prepinac -V a diky nemu umi prelozit i vendor prefix z MAC adresy ... v praxy to vypada asi takto
[root@nika root]# arp -a|hwa -V
holy (10.1.255.10) at 00:60:b3:61:1a:da(holy_i626_1 - Z-COM,_INC.) [ether] on eth2
? (10.1.1.250) at 00:0d:88:e0:f1:11(roman_ap_dwl900+ - D-Link_Corporation) [ether] on wlan0
lades.grn (10.1.1.111) at 00:60:b3:61:d0:10(lades - Z-COM,_INC.) [ether] on wlan0
? (210.190.104.91) at 00:50:fc:e1:98:d3(unknown - EDIMAX_TECHNOLOGY_CO.,_LTD.) [ether] on eth1
[root@nika root]# arp -a|hwa -V
holy (10.1.255.10) at 00:60:b3:61:1a:da(holy_i626_1 - Z-COM,_INC.) [ether] on eth2
? (10.1.1.250) at 00:0d:88:e0:f1:11(roman_ap_dwl900+ - D-Link_Corporation) [ether] on wlan0
lades.grn (10.1.1.111) at 00:60:b3:61:d0:10(lades - Z-COM,_INC.) [ether] on wlan0
? (210.190.104.91) at 00:50:fc:e1:98:d3(unknown - EDIMAX_TECHNOLOGY_CO.,_LTD.) [ether] on eth1