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One LAN computer can't see one router on LAN
This is a curiosity, not something which has seriously broken things.
The situation: One LAN, IP address 192.168.102.0/255.255.255.0 SpeedStream 4100 DSL modem: 192.168.0.1 Netgear FR114P: 192.168.102.1 SMC Barricade 7004BR: 192.168.102.2 (DHCP disabled) Linksys BEFSR11: 192.168.102.3 (WAN side) Sony Playstation 2: 192.168.102.12 HP Pavilion 6745C: 192.168.102.100 (Windows ME) HP Pavilion a1440n: 192.168.102.101 (Windows XP MCE 2005) HP Pavilion 6745C: 192.168.102.102 The connections: DSL modem to Netgear WAN port; 192.168.0.1 on modem, 192.168.1.64 on router WAN port. PPPoE on modem, DHCP on router WAN port. Netgear LAN port 1 to 192.168.102.100 Netgear LAN port 2 to 192.168.102.101 Netgear LAN port 4 (Uplink) to 192.168.102.2 SMC Barricade LAN port 1 to 5-port hub uplink port SMC Barricade LAN port 4 to 192.168.102.1 Hub port 1 to 192.168.102.3 Hub port 2 to 192.168.102.102 Hub port 3 to 192.168.102.12 Hub port 5 (Uplink) to SMC port 1 192.168.102.100 and 192.168.102.101 can reach every IP address in the LAN, and three outside of the LAN: 192.168.0.1, 192.168.1.64, and 192.168.129.1. 192.168.102.102 can reach every IP address that the other computers can reach...EXCEPT 192.168.102.2! Bad cable? Why can 192.168.102.102 go through all the cables to 192.168.0.1, but not to 192.168.102.2? The same cables, and port on the SMC Barricade are used. Packets can go past the Barricade on the LAN side, but not to the Barricade. The only thing which has changed has been the removal of software as the owner of the affected computer is moving over to the new Pavilion. Odd. At some point I will be reloading the OS, anyway, and will see if that fixes things. Just can't figure out why the packets can traverse the same cabling, and reach beyond the LAN port of the Barricade to points on, and beyond the Netgear, but can't reach the Barricade, or beyond the Barricade to the Internet when dial-up is in place. C:\WINDOWS ipconfig -all C:\WINDOWS\ALLUSE~1\MYDOCU~1\ipconhik.txt: | | Windows IP Configuration | | Host Name . . . . . . . . . : HIKARU.aosake.net | DNS Servers . . . . . . . . : 192.168.0.1 | Node Type . . . . . . . . . : Broadcast | NetBIOS Scope ID. . . . . . : | IP Routing Enabled. . . . . : No | WINS Proxy Enabled. . . . . : No | NetBIOS Resolution Uses DNS : No | | Ethernet adapter : | | Description . . . . . . . . : HP EN1207D-TX 10/100 Family Adapter | Physical Address. . . . . . : 00-10-B5-77-FC-F2 | DHCP Enabled. . . . . . . . : Yes | IP Address. . . . . . . . . : 192.168.102.102 | Subnet Mask . . . . . . . . : 255.255.255.0 | Default Gateway . . . . . . : 192.168.102.1 | DHCP Server . . . . . . . . : 192.168.102.1 | Primary WINS Server . . . . : | Secondary WINS Server . . . : | Lease Obtained. . . . . . . : 06 11 06 11:07:10 PM | Lease Expires . . . . . . . : 06 14 06 11:07:10 PM | | Ethernet adapter : | | Description . . . . . . . . : PPP Adapter. | Physical Address. . . . . . : 44-45-53-54-00-00 | DHCP Enabled. . . . . . . . : Yes | IP Address. . . . . . . . . : 0.0.0.0 | Subnet Mask . . . . . . . . : 0.0.0.0 | Default Gateway . . . . . . : | DHCP Server . . . . . . . . : 255.255.255.255 | Primary WINS Server . . . . : | Secondary WINS Server . . . : | Lease Obtained. . . . . . . : | Lease Expires . . . . . . . : C:\WINDOWS route print C:\WINDOWS\ALLUSE~1\MYDOCU~1\ipconhik.txt: | ================================================== ========================= | Interface List | 0x1 ........................... MS TCP Loopback interface | 0x2 ...44 45 53 54 00 00 ...... PPP Adapter. | 0x3 ...00 10 b5 77 fc f2 ...... HP EN1207D-TX 10/100 Family Adapter | ================================================== ========================= | ================================================== ========================= | Active Routes: | Network Destination Netmask Gateway Interface Metric | 0.0.0.0 0.0.0.0 192.168.102.1 192.168.102.102 1 | 127.0.0.0 255.0.0.0 127.0.0.1 127.0.0.1 1 | 192.168.102.0 255.255.255.0 192.168.102.102 192.168.102.102 1 | 192.168.102.102 255.255.255.255 127.0.0.1 127.0.0.1 1 | 192.168.102.255 255.255.255.255 192.168.102.102 192.168.102.102 1 | 224.0.0.0 224.0.0.0 192.168.102.102 192.168.102.102 1 | 255.255.255.255 255.255.255.255 192.168.102.102 2 1 | Default Gateway: 192.168.102.1 | ================================================== ========================= | Persistent Routes: | None C:\WINDOWS ipconfig -all F:\Commun~1\ipconmeg.txt: | | Windows IP Configuration | | Host Name . . . . . . . . . : MEGUMI.aosake.net | DNS Servers . . . . . . . . : 192.168.0.1 | Node Type . . . . . . . . . : Broadcast | NetBIOS Scope ID. . . . . . : | IP Routing Enabled. . . . . : No | WINS Proxy Enabled. . . . . : No | NetBIOS Resolution Uses DNS : No | | Ethernet adapter : | | Description . . . . . . . . : HP EN1207D-TX 10/100 Family Adapter | Physical Address. . . . . . : 00-10-B5-77-E6-46 | DHCP Enabled. . . . . . . . : Yes | IP Address. . . . . . . . . : 192.168.102.100 | Subnet Mask . . . . . . . . : 255.255.255.0 | Default Gateway . . . . . . : 192.168.102.1 | DHCP Server . . . . . . . . : 192.168.102.1 | Primary WINS Server . . . . : | Secondary WINS Server . . . : | Lease Obtained. . . . . . . : 06 11 06 23:25:34 | Lease Expires . . . . . . . : 06 14 06 23:25:34 | | Ethernet adapter : | | Description . . . . . . . . : usb-usb network bridge adapter | Physical Address. . . . . . : 00-50-77-01-6C-26 | DHCP Enabled. . . . . . . . : No | IP Address. . . . . . . . . : 172.29.61.1 | Subnet Mask . . . . . . . . : 255.255.0.0 | Default Gateway . . . . . . : | Primary WINS Server . . . . : | Secondary WINS Server . . . : | Lease Obtained. . . . . . . : | Lease Expires . . . . . . . : | | Ethernet adapter : | | Description . . . . . . . . : PPP Adapter. | Physical Address. . . . . . : 44-45-53-54-00-00 | DHCP Enabled. . . . . . . . : Yes | IP Address. . . . . . . . . : 0.0.0.0 | Subnet Mask . . . . . . . . : 0.0.0.0 | Default Gateway . . . . . . : | DHCP Server . . . . . . . . : 255.255.255.255 | Primary WINS Server . . . . : | Secondary WINS Server . . . : | Lease Obtained. . . . . . . : | Lease Expires . . . . . . . : C:\WINDOWS route print F:\Commun~1\rtemeg.txt: | ================================================== ========================= | Interface List | 0x1 ........................... MS TCP Loopback interface | 0x2 ...44 45 53 54 00 00 ...... PPP Adapter. | 0x3 ...00 50 77 01 f6 5d ...... usb-usb network bridge adapter | 0x4 ...00 10 b5 77 e6 46 ...... HP EN1207D-TX 10/100 Family Adapter | ================================================== ========================= | ================================================== ========================= | Active Routes: | Network Destination Netmask Gateway Interface Metric | 0.0.0.0 0.0.0.0 192.168.102.1 192.168.102.100 1 | 127.0.0.0 255.0.0.0 127.0.0.1 127.0.0.1 1 | 172.29.0.0 255.255.0.0 172.29.61.1 172.29.61.1 1 | 172.29.61.1 255.255.255.255 127.0.0.1 127.0.0.1 1 | 172.29.255.255 255.255.255.255 172.29.61.1 172.29.61.1 1 | 192.168.102.0 255.255.255.0 192.168.102.100 192.168.102.100 1 | 192.168.102.100 255.255.255.255 127.0.0.1 127.0.0.1 1 | 192.168.102.255 255.255.255.255 192.168.102.100 192.168.102.100 1 | 224.0.0.0 224.0.0.0 172.29.61.1 172.29.61.1 1 | 224.0.0.0 224.0.0.0 192.168.102.100 192.168.102.100 1 | 255.255.255.255 255.255.255.255 192.168.102.100 2 1 | Default Gateway: 192.168.102.1 | ================================================== ========================= | Persistent Routes: | None Hikaru (192.168.102.102) can ping the gateway (192.168.102.1), but not 192.168.102.2. Packets to the gateway reach 192.168.102.2 on LAN port 1, but are switched from there to 192.168.102.1. Megumi (192.168.102.100) can ping 192.168.102.2. If a port was going bad on the Barricade, swapping LAN port 1 and LAN port 4 should change which computer fails to ping 192.168.102.2. Alas the trouble moves with the cable. If the cabling between Hikaru and 192.168.102.2 were bad, I would expect that Hikaru could no more succeed in pinging the gateway (192.168.102.1) than it could ping 192.168.102.2. Alas, Hikaru can even ping beyond the gateway, to 192.168.0.1 (modem on the far side of the gateway). -- Norman ~I'll be there, by your side ~in the land of Twilight. ~In your dream I will go ~'till we find the Sunlight. |
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