Re: Network setup problems
"Stephen A. Witt" wrote:
> I've been looking at the info you provided and I don't think there is
> enough to troubleshoot your problem. What are the IP addresses/netmasks
> of your machine(s)? How is your network connected together (number of
> ethernet segments, IP address/netmask assigned to each segment)? What
> machine is apache running on? It would be better if you provided all of
> your information in IP address form, so for routing tables do 'netstat
> -rn'. Also an 'ifconfig' would be interesting to see what the network
> interface configuration is also. I'm not that familiar with ISDN modems,
> is it a separate hardware device for which there is a configured network
> interface in a machine, or is it a network entity on one of your ethernet
> segments?
Here is the info you asked for:
Our office network is fairly simplistic, basically we use the
ISDN modem as a router / gateway to the internet. It has an
internal IP address of 172.16.1.1 which I set on my laptop to be
the address of the gateway. Then if I want anything from the
internet it will go through the gateway.
All the machines in the office connect to the ISDN modem via a
hub, we all connect to the hub and then the hub is connected to
the ISDN modem. So the ISDN modem is a unit all to itself and
not part of a computer. All the IP addresses are internal, some
translation is done somewhere between the ISDN modem and our
ISP. At the moment our modem is only one way, so we can access
the Internet, but we cant access our internal network from the
outside.
I am running apache on my Laptop: starfury with an IP address of
172.16.1.9 and I have been using the full name and the ip
address to try connect, adding :80 to the end of each of course.
starfury: ~js netstat -rn
Kernel IP routing table
Destination Gateway Genmask Flags MSS
Window irtt Iface
172.16.0.0 0.0.0.0 255.255.0.0 U 1500
0 0 eth0
127.0.0.0 0.0.0.0 255.0.0.0 U 3584
0 0 lo
0.0.0.0 172.16.1.1 0.0.0.0 UG 1500
0 0 eth0
starfury: ~js ifconfig
lo Link encap:Local Loopback
inet addr:127.0.0.1 Bcast:127.255.255.255
Mask:255.0.0.0
UP BROADCAST LOOPBACK RUNNING MTU:3584 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
eth0 Link encap:Ethernet HWaddr 00:60:97:3F:E5:26
inet addr:172.16.0.9 Bcast:172.16.255.255
Mask:255.255.0.0
UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500
Metric:1
RX packets:45577 errors:2 dropped:2 overruns:0 frame:2
TX packets:1240 errors:0 dropped:0 overruns:0
carrier:0
Collisions:1
Interrupt:3 Base address:0x300
Another problem I have found is that I cant ping myself either:
starfury: ~js ping starfury.oa.nl
PING starfury.oa.nl (172.16.1.9): 56 data bytes
--- starfury.oa.nl ping statistics ---
4 packets transmitted, 0 packets received, 100% packet loss
starfury: ~js traceroute starfury
traceroute to starfury.oa.nl (172.16.1.9), 30 hops max, 40 byte
packets
1 172.16.0.9 (172.16.0.9) 0.166 ms !H 0.153 ms !H 0.099 ms
!H
Although I can ping other computers on our internal network:
starfury: ~js ping schapen
PING schapen.oa.nl (172.16.1.10): 56 data bytes
64 bytes from 172.16.1.10: icmp_seq=0 ttl=128 time=2.6 ms
64 bytes from 172.16.1.10: icmp_seq=0 ttl=126 time=13.5 ms
(DUP!)
64 bytes from 172.16.1.10: icmp_seq=1 ttl=128 time=1.7 ms
64 bytes from 172.16.1.10: icmp_seq=1 ttl=126 time=5.7 ms (DUP!)
64 bytes from 172.16.1.10: icmp_seq=2 ttl=128 time=1.6 ms
64 bytes from 172.16.1.10: icmp_seq=2 ttl=126 time=2.9 ms (DUP!)
64 bytes from 172.16.1.10: icmp_seq=3 ttl=128 time=1.6 ms
64 bytes from 172.16.1.10: icmp_seq=3 ttl=126 time=3.1 ms (DUP!)
--- schapen.oa.nl ping statistics ---
4 packets transmitted, 4 packets received, +4 duplicates, 0%
packet loss
round-trip min/avg/max = 1.6/4.0/13.5 ms
starfury: ~js traceroute schapen
traceroute to schapen.oa.nl (172.16.1.10), 30 hops max, 40 byte
packets
1 schapen.oa.nl (172.16.1.10) 0.59 ms 0.441 ms 0.431 ms
starfury: ~js ping darkstar
PING darkstar.oa.nl (172.16.1.7): 56 data bytes
64 bytes from 172.16.1.7: icmp_seq=0 ttl=64 time=2.0 ms
64 bytes from 172.16.1.7: icmp_seq=1 ttl=64 time=1.7 ms
64 bytes from 172.16.1.7: icmp_seq=2 ttl=64 time=1.5 ms
--- darkstar.oa.nl ping statistics ---
3 packets transmitted, 3 packets received, 0% packet loss
round-trip min/avg/max = 1.5/1.7/2.0 ms
starfury: ~js traceroute darkstar
traceroute to darkstar.oa.nl (172.16.1.7), 30 hops max, 40 byte
packets
1 darkstar.oa.nl (172.16.1.7) 0.556 ms 0.438 ms 0.432 ms
Can you see anything that helps understand the problem ???
--
John Stevenson, Objective Alliance: www.oa.nl
"Its grip'd, its sorted.."
Reply to: