Network Help

**Ryuujinx** · 25-10-2008, 11:57

Yeah never thought I'd see the day I'd type _that_ title.

Ok, we have 2 Pcs, and a PC acting as a Router. In addition there's occasionaly a laptop and an iphone or two, but for now focusing on these three.

I shall Call my PC "PC1", the PC I'm trying to access "PC2" and the router PC "Router"

PC1 can ping Router, but not PC2
PC2 Can ping PC1 and Router
Router can ping PC1 but not PC2

PC2 has internet and can access all network stuffs.

Workgroup "FFXI" is able to be accessed by PC2.
Workgroup "FFXI" Results in "Network path not found" on PC1
Workgroup "FFXI" is not shown in browser on Router

PC1 nor PC2 have firewalls, Router only has IPtables.

PC1 Trying to ping PC2 by Host Name, then IP, then pinging router.

Code:

C:\Documents and Settings\Administrator>ping Khrono

Pinging Khrono [192.168.1.102] with 32 bytes of data:

Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 192.168.1.102:
    Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

C:\Documents and Settings\Administrator>ping 192.168.1.102

Pinging 192.168.1.102 with 32 bytes of data:

Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 192.168.1.102:
    Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

C:\Documents and Settings\Administrator>ping 192.168.1.1

Pinging 192.168.1.1 with 32 bytes of data:

Reply from 192.168.1.1: bytes=32 time<1ms TTL=64
Reply from 192.168.1.1: bytes=32 time<1ms TTL=64
Reply from 192.168.1.1: bytes=32 time<1ms TTL=64
Reply from 192.168.1.1: bytes=32 time<1ms TTL=64

Ping statistics for 192.168.1.1:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 0ms, Average = 0ms

C:\Documents and Settings\Administrator>

Router Trying to ping PC2:

Code:

> ping -c 4 192.168.1.102
PING 192.168.1.102 (192.168.1.102) 56(84) bytes of data.

--- 192.168.1.102 ping statistics ---
4 packets transmitted, 0 received, 100% packet loss, time 3003ms

Router Pinging PC1

Code:

> ping -c 4 192.168.1.101
PING 192.168.1.101 (192.168.1.101) 56(84) bytes of data.
64 bytes from 192.168.1.101: icmp_seq=1 ttl=128 time=0.203 ms
64 bytes from 192.168.1.101: icmp_seq=2 ttl=128 time=0.200 ms
64 bytes from 192.168.1.101: icmp_seq=3 ttl=128 time=0.201 ms
64 bytes from 192.168.1.101: icmp_seq=4 ttl=128 time=0.204 ms

--- 192.168.1.101 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 2997ms
rtt min/avg/max/mdev = 0.200/0.202/0.204/0.001 ms

ipconfig /all of PC1

Code:

C:\Documents and Settings\Administrator>ipconfig /all

Windows IP Configuration

        Host Name . . . . . . . . . . . . : ryuujin
        Primary Dns Suffix  . . . . . . . :
        Node Type . . . . . . . . . . . . : Unknown
        IP Routing Enabled. . . . . . . . : No
        WINS Proxy Enabled. . . . . . . . : No
        DNS Suffix Search List. . . . . . : satx.rr.com

Ethernet adapter Local Area Connection:

        Connection-specific DNS Suffix  . : satx.rr.com
        Description . . . . . . . . . . . : Realtek RTL8139 Family PCI Fast Ethe
rnet NIC
        Physical Address. . . . . . . . . : 00-16-17-4A-8E-C6
        Dhcp Enabled. . . . . . . . . . . : Yes
        Autoconfiguration Enabled . . . . : Yes
        IP Address. . . . . . . . . . . . : 192.168.1.101
        Subnet Mask . . . . . . . . . . . : 255.255.255.0
        Default Gateway . . . . . . . . . : 192.168.1.1
        DHCP Server . . . . . . . . . . . : 192.168.1.1
        DNS Servers . . . . . . . . . . . : 24.93.41.127
                                            24.93.41.128
        Lease Obtained. . . . . . . . . . : Saturday, October 25, 2008 5:45:25 A
M
        Lease Expires . . . . . . . . . . : Saturday, October 25, 2008 5:45:25 P
M

C:\Documents and Settings\Administrator>

PC1 is Windows Xp SP3
PC2 is Windows XP SP2
Router is Ubuntu Linux 8.04

Any ideas/need additional info? I'm lost. :/

**Saucermote** · 25-10-2008, 17:08

Can you show me a ipconfig of pc2?

I personally set up static local IPs based on MAC addresses, and I usually start at a.b.c.110 to avoid having any devices connected to the network take up a desired IP.

**Ryuujinx** · 25-10-2008, 23:46

Here you go

I have my DHCP set up to lease from 100+
All the server stuff is <100 (For instance the outer is .1, the WAP is .5)

Code:

Microsoft Windows XP [Version 5.1.2600]
 (C) Copyright 1985-2001 Microsoft Corp. 
   
 C:\Documents and Settings\Khrono>ipconfig /all 
   
 Windows IP Configuration 
   
         Host Name . . . . . . . . . . . . : KHRONO
         Primary Dns Suffix  . . . . . . . :
         Node Type . . . . . . . . . . . . : Broadcast
         IP Routing Enabled. . . . . . . . : No
         WINS Proxy Enabled. . . . . . . . : No
         DNS Suffix Search List. . . . . . : satx.rr.com 
   
 Ethernet adapter Local Area Connection: 
   
         Connection-specific DNS Suffix  . : satx.rr.com
         Description . . . . . . . . . . . : NVIDIA nForce Networking Controller
         Physical Address. . . . . . . . . : 00-14-22-3C-1B-B2
         Dhcp Enabled. . . . . . . . . . . : Yes
         Autoconfiguration Enabled . . . . : Yes
         IP Address. . . . . . . . . . . . : 192.168.1.102
         Subnet Mask . . . . . . . . . . . : 255.255.255.0
         Default Gateway . . . . . . . . . : 192.168.1.1
         DHCP Server . . . . . . . . . . . : 192.168.1.1
         DNS Servers . . . . . . . . . . . : 24.93.41.127
                                             24.93.41.128
         Lease Obtained. . . . . . . . . . : Saturday, October 25, 2008 5:14:04 P
 M
         Lease Expires . . . . . . . . . . : Sunday, October 26, 2008 5:14:04 AM 
   
 C:\Documents and Settings\Khrono>

and in case you want the router's:

Code:

> ifconfig
eth0      Link encap:Ethernet  HWaddr 00:13:d3:1d:d1:ab  
          inet addr:xx.xx.xx.xx  Bcast:255.255.255.255  Mask:255.255.248.0
          inet6 addr: fe80::213:d3ff:fe1d:d1ab/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:13550529 errors:0 dropped:0 overruns:0 frame:0
          TX packets:9147475 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:3422565992 (3.1 GB)  TX bytes:4125072889 (3.8 GB)
          Interrupt:16 Base address:0xa000 

eth1      Link encap:Ethernet  HWaddr 00:60:08:8d:a1:bc  
          inet addr:192.168.1.1  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::260:8ff:fe8d:a1bc/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:9183554 errors:0 dropped:0 overruns:0 frame:0
          TX packets:11368361 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:4186206729 (3.8 GB)  TX bytes:3265713809 (3.0 GB)
          Interrupt:18 Base address:0xd400 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:3858 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3858 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:374875 (366.0 KB)  TX bytes:374875 (366.0 KB)

**MoonUnit** · 26-10-2008, 01:45

Could it have something to do with PC1's node type being set to "unknown" and PC2's node type being set to "broadcast" ?

**Ryuujinx** · 26-10-2008, 03:16

Originally Posted by MoonUnit

Could it have something to do with PC1's node type being set to "unknown" and PC2's node type being set to "broadcast" ?

I would think that, but the rotuer is Mode Broadcast

UP BROADCAST RUNNING MULTICAST

And it can't ping PC2 either.

**MoonUnit** · 26-10-2008, 13:03

When was it last working? Do you have a switch that you can hook up to see if the problem follows the machine?

**Saucermote** · 26-10-2008, 16:19

Can you swap the ethernet ports that the machines are hooked up to, and see if the same machines have the same problems?

**Ryuujinx** · 26-10-2008, 18:55

Originally Posted by MoonUnit

When was it last working? Do you have a switch that you can hook up to see if the problem follows the machine?

Not quote sure when it was last up, recently I just wanted to get my roommates trance :/

Currently I have Mode.->Router PC->GiGE Switch->Clients
You want me to try using my other GiGE switch?

Originally Posted by Saucermote

Can you swap the ethernet ports that the machines are hooked up to, and see if the same machines have the same problems?

Swapped the ports and it still does the same thing. I guess I can try swapping the cable on PC2 out later but I'll have to go get a new one first, don't have any that long lying around except the one connected.

**MoonUnit** · 26-10-2008, 19:17

Before you switch out the switch or get a new cable, are there link lights on the switch for PC1, PC2 and router?

If there isn't one for PC2, go ahead and get a new patch cable and see if that fixes the problem.

Nevermind, you did say that it was able to access the internet.

I don't know what's going on tbh. Are you sure there isn't a firewall running on PC2? I know those can be set to block pings.

**Ryuujinx** · 26-10-2008, 19:33

We're positive there's no firewall. I'm stumped :/

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