setup IP address as "192.168.xxx.xxx" does NOT work. Someone say I need use "crossover" type of cable, but I don't have. I put a switch and coneect cable from each PC and it work fine. Thanks. --- gnulinux <gnulinux at comcast.net> 說： > mcclnx mcc wrote: > > I have two DELL servers with two Ethernet ports in > it. > > Bith servers have CENTOS 4.5 installed. First > > Ethernet port connect to public Ethernet line and > work > > correctly. Second Ethernet port I connect > > point-to-point as private Ethernet (cable direct > > connect without router or switch). Private > Ethernet > > use IP asddress 1.1.1.1 and 1.1.1.2. > > > > I check "ifconfig -a" and both eth0 and eth1 are > up > > and active. when I tried to ping another server > use > > second port (private) and no response. Does > anything > > I configure wrong? > > > > Thanks. > > > > ======== info === > > > > %ifconfig -a > > eth0 Link encap:Ethernet HWaddr > > 00:08:74:EA:54:64 > > inet addr:172.29.86.15 > Bcast:172.29.85.255 > > Mask:255.255.255.0 > > inet6 addr: fe80::208:74ff:feea:5464/64 > > Scope:Link > > UP BROADCAST RUNNING MULTICAST MTU:1500 > > > Metric:1 > > RX packets:471 errors:0 dropped:0 > overruns:0 > > frame:0 > > TX packets:91 errors:0 dropped:0 > overruns:0 > > carrier:0 > > collisions:0 txqueuelen:0 > > RX bytes:65669 (64.1 KiB) TX > bytes:11847 > > (11.5 KiB) > > > > eth1 Link encap:Ethernet HWaddr > > 00:0E:2E:C8:B9:80 > > inet addr:1.1.1.1 Bcast:1.1.1.255 > > Mask:255.255.255.0 > > UP BROADCAST MULTICAST MTU:1500 > Metric:1 > > RX packets:0 errors:0 dropped:0 > overruns:0 > > frame:0 > > TX packets:0 errors:0 dropped:0 > overruns:0 > > carrier:0 > > collisions:0 txqueuelen:1000 > > RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) > > Interrupt:18 Base address:0x4c00 > > > > %ping 1.1.1.2 > > PING 1.1.1.2 (1.1.1.2) 56(84) bytes of data. > > >From 1.1.1.1 icmp_seq=1 Destination Host > Unreachable > > >From 1.1.1.1 icmp_seq=2 Destination Host > Unreachable > > >From 1.1.1.1 icmp_seq=3 Destination Host > Unreachable > > > > --- 1.1.1.2 ping statistics --- > > 4 packets transmitted, 0 received, +3 errors, 100% > > packet loss, time 3015ms > > , pipe 3 > > > > > > %telnet 1.1.1.2 > > Trying 1.1.1.2... > > telnet: connect to address 1.1.1.2: No route to > host > > > Try a private network IP 192.168.xxx.xxx? Right > ether cable, straight? > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > ____________________________________________________________________________________ 設定安全圖章，保護您的 Yahoo!奇摩帳號不被駭客盜用！ http://tw.info.yahoo.com/seal/index.html