What? I have a box with 1 physical interface and 4 IP addresses and
this works just fine:
gamesrv1:~# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:1f:29:50:02:e7
inet addr:72.237.4.30 Bcast:72.237.4.127 Mask:255.255.255.128
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:76902609 errors:0 dropped:0 overruns:0 frame:0
TX packets:85135888 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:7705813491 (7.1 GiB) TX bytes:14536877789 (13.5 GiB)
Memory:f0180000-f01a0000
eth0:1 Link encap:Ethernet HWaddr 00:1f:29:50:02:e7
inet addr:72.237.4.31 Bcast:72.237.4.127 Mask:255.255.255.128
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Memory:f0180000-f01a0000
eth0:2 Link encap:Ethernet HWaddr 00:1f:29:50:02:e7
inet addr:72.237.4.32 Bcast:72.237.4.127 Mask:255.255.255.128
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Memory:f0180000-f01a0000
eth0:3 Link encap:Ethernet HWaddr 00:1f:29:50:02:e7
inet addr:72.237.4.34 Bcast:72.237.4.127 Mask:255.255.255.128
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Memory:f0180000-f01a0000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:77 errors:0 dropped:0 overruns:0 frame:0
TX packets:77 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:10036 (9.8 KiB) TX bytes:10036 (9.8 KiB)
gamesrv1:~# netstat -an | grep 27015
tcp 0 0 72.237.4.30:27015 0.0.0.0:* LISTEN
tcp 0 0 72.237.4.31:27015 0.0.0.0:* LISTEN
udp 0 0 72.237.4.34:27015 0.0.0.0:*
udp 0 0 72.237.4.32:27015 0.0.0.0:*
udp 0 0 72.237.4.30:27015 0.0.0.0:*
udp 0 0 72.237.4.31:27015 0.0.0.0:*
DreamDemon, make sure you are uisng +ip (with a "+") to specify the IP
for srcds when you start it, not -ip (with a "-").
- Dave
Björn Rohlén wrote:
> You do not load up a second tcp/ip-stack just because you alias your
> interface, since you are using ONE stack, you will get one port per
> protocol used. The only reason this works so well on services, is due
> to the ip-header containing the calling domain/ip and apache/sendmail
> applying rulesets based on this. In short, you can not use same port
> on a virtual device if that port is already used on either another
> virtual device (due to them not really existing, just responding to
> another arp-request) or in use on the actual adapter. Since this is
> not really "multihomed", but rather one adapter, with one stack and a
> "poisoned" arp/routing-table, it will not work.
>
> -TheG
>
> On Tue, Mar 24, 2009 at 6:58 AM, [-DSR-][TA]DreamDemon
> <dreamde...@dsrclan.com> wrote:
>> I'm having some major issues with source based games. We currently have
>> a root server with Cent5 x86_64 running. This machine has 1 nic but has
>> multiple ip's. Even with games seperated by ip, the default port 27015
>> is incrementing and not able to be set to that for the default on other
>> ip addresses. I will use class c addressing to illustrate.
>>
>> ie:
>> DODS - 192.168.2.100:27015 - eth0
>> TF2 - 192.168.2.101:27016(auto-incremented) - eth0:0
>>
>> So how can I resolve this? The aliases are set proper but the source
>> games are still detecting the port in use.
>>
>> Thanks.
>>
>>
>> _______________________________________________
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>>
>
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--
Dave Parker
Utica College
Integrated Information Technology Services
(315) 792-3229
Registered Linux User #408177
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