我知道网络上一台PC的mac地址，根据mac地址怎么得到这台PC的IP地址？请高手指点.

can we tell a network card is a wireless or wired card just by thier mac address? Thank you very much.

[color="#ff33ff"]系统缺省的mac：（local-mac-address?=false） # prtconf -pv | grep idprom idprom: 01830003.ba2185f1.08242002.2185f135.00000000.00000000.00000000.00000000 mac=00.03.ba.21.85.f1 [color="#ff00ff"]网卡的mac # prtconf -pv | grep local local-mac-address?: 'true' local-mac-address: 0003ba21.85f2 local-mac-address: 0003ba21.85f1 本文来自ChinaUnix博客，如果...

Just found the 2 ethernet hme interfaces have duplicated mac address issue. Questions: 1. Could this be solved by change "local-mac-address" by using eeprom? 2. Seems Sun set this "local-mac-address" to false as default which could cause problem when these 2 hme interfaces are connected to same VLAN/switch. Does anyone know why??? Thanks in advance! (Sorry my typing in Chinese is too slow)

一个简单的局域网，cisco router 2611,3com 交换机，pix 515 , HP server 安装windows 2000 ,是DC，接通PIX后，工作站登陆DC时好时坏，发现一登不上，查询 工作站的ARP表发现PIX的mac address,与SERVER DC的mac address，是完全一样的。直到不一样了，网络的登陆才可正常进行！ 有没有解决问题的建议？

aclParseAclLine: Invalid ACL type 'arp' FATAL: Bungled squid.conf line 2413: acl normal_mac arp "/etc/squid/normal_mac" Squid Cache (Version 2.6.STABLE6): Terminated abnormall 象这种情况 除了没有在编译的时候加-enable arp外 还有别的原因导致么？ 另外就是我在用了NCSA认证后，每次把当前的IE关闭后，都跳出对话框来输入密码，怎么设置如果我本次输入密码，那除非是重启电脑， 否则在打开新的浏览器的时候都不会要...

我有一台4503经常报%C4K_L2MAN-6-INVALIDSOURCEaddressPACKET: (Suppressed 1 times)Packet received with invalid source mac address (00:00:00:00:00:00) on port Gi1/17 in vlan 200日志 其中Gi1/17 连接的是pix-525上internet, 请问有办法解决吗

How to change the mac adrress?? the handbook and the man "ifconfig" I have been saw it.Can't solve it. eg: ifconfig rl0 mac:add 0002ee03a6 it shoule tip : ifconfig: malformed link-level address. Help:em14:

I test it at my O200, it work well. #include ; #include ; #include ; #include ; #include ; #include ; #include ; #include ; main(int argc,char **argv) { int cnt,ret,sock,a1,a2,a3,a4,a5,a6; struct ifreq ifdat; struct sockaddr_raw sr; if (argc<3) { ...

实验一下mac-address-table static的作用 ---------------------------------------------------------------------------- Switch#show run Building configuration... interface FastEthernet0/1 switchport access vlan 2 switchport mode access ! interface FastEthernet0/2 switchport access vlan 2 switchport mode access interface Vlan2 ip address 192.168.2.254 255.255.255.0 ..... end --------------------------...