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IP Aliasing



I tried asking this in debain-user but didn't get an answer. I thought maybe someone here would be able to help me.
 
On eth0 I have 216.86.213.93 and on eth0:0 I have 216.86.193.94
I can ping both addresses from that computer but from other computers I can only ping .93 on eth0
 
When I reverse the situation so that .94 is on eth0 and .93 is on eth0:0 the same is true, I  can only access .94 on eth0 from other computers.
 
What I ultimately want to do is have an aliased IP address fowrard to an internal address for some users that want to use PC Anywhere.
 
A copy of the output of ifconfig is below.
 
Chad Morgan
 
--------------------------
 
eth0      Link encap:Ethernet  HWaddr 00:A0:CC:23:A3:AC 
          inet addr:216.86.213.93  Bcast:216.86.213.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:8862 errors:0 dropped:0 overruns:0 frame:0
          TX packets:16582 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          Interrupt:10 Base address:0x6000

eth0:0    Link encap:Ethernet  HWaddr 00:A0:CC:23:A3:AC 
          inet addr:216.86.213.94  Bcast:216.86.213.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          Interrupt:10 Base address:0x6000

eth1      Link encap:Ethernet  HWaddr 00:A0:CC:5A:CB:A2 
          inet addr:192.168.0.1  Bcast:192.168.0.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:13403 errors:0 dropped:0 overruns:0 frame:0
          TX packets:10863 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          Interrupt:11 Base address:0x6100

lo        Link encap:Local Loopback 
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:3924  Metric:1
          RX packets:4272 errors:0 dropped:0 overruns:0 frame:0
          TX packets:4272 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0

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