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Home > Archive > 70-210 > April 2003 > problem in networking
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problem in networking
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| siva2003 2003-04-13, 1:33 pm |
| hi,
i have a problem, i have 2 pcs with windows 2000 professional in it. pc1 can ping itself but cannot ping the other pc, that is pc2. pc2 can ping itself and ping pc1. pc1 ip address is 169.254.7.78 and pc2 ip address is 169.254.7.77. can anybody help me in this?
i am confused.
thanks
siva2003 | |
| aawmorris 2003-04-13, 7:25 pm |
| Is the client for MS net installed on PC1?
peace
Aaron | |
| aawmorris 2003-04-13, 7:26 pm |
| By the way, how did you get your MCSE status if you can't get two PC's to talk to each other?
peace
Aaron | |
| sgirardo 2003-04-13, 11:34 pm |
| Make sure the subnet mask is the same on both computers. | |
| cm2gj 2003-04-13, 11:39 pm |
| quote:
Originally posted by siva2003
hi,
i have a problem, i have 2 pcs with windows 2000 professional in it. pc1 can ping itself but cannot ping the other pc, that is pc2. pc2 can ping itself and ping pc1. pc1 ip address is 169.254.7.78 and pc2 ip address is 169.254.7.77. can anybody help me in this?
i am confused.
thanks
siva2003
as i see this APIPA ip address, you don`t have a DHCP service on your network.
So i recommend to use a class c private ip address for every pc.
pc1
192.168.0.1
mask 255.255.255.0
pc2
192.168.0.2
mask 255.255.255.0
after that:
ping localhost
ping selfpc
ping otherpc
if you can`t ping each pc, you have cable problems, or nic bad installed, or virus, or bad hub, or bad switch, or missed connectors, etc. | |
| Nistis 2003-04-14, 10:26 am |
| How are they connected? Are you using a hub or other piece of hardware, or are you using a direct PC to PC. If you are using a PC to PC connect, make sure you are using a crossover cable. Also, it looks like you are using Class B addresses but with a Class C config. | |
| cm2gj 2003-04-14, 11:46 am |
| quote:
Originally posted by Nistis
Also, it looks like you are using Class B addresses but with a Class C config.
169.254.x.x is a APIPA address!!
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| TW2001 2003-04-14, 9:28 pm |
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| cm2gj 2003-04-14, 10:56 pm |
| quote:
Originally posted by TW2001
windows 98, me, 2k, xp, 2003 have on tcp the apipa feature: if a dhcp server is down or cabling problems or another problems exists, so you are unable to reach the dhcp, the pc automatically receive a 169.254.x.x / 16 ip address. all hosts on the network must be able to comunicate between them until the dhcp is available again.
APIPA= automatic private ip address configuration.
from www.webopedia.com
"Short for Automatic Private IP Addressing, a feature of the Windows 98 and Windows 2000 operating systems. With APIPA, DHCP clients can automatically self-configure an IP address and subnet mask when a DHCP server isn't available. When a DHCP client boots up, it first looks for a DHCP server in order to obtain an IP address and subnet mask. If the client is unable to find the information, it uses APIPA to automatically configure itself with an IP address from a range that has been reserved especially for Microsoft. The IP address range is 169.254.0.1 through 169.254.255.254. The client also configures itself with a default class B subnet mask of 255.255.0.0. A client uses the self-configured IP address until a DHCP server becomes available.
The APIPA service also checks regularly for the presence of a DHCP server (every five minutes, according to Microsoft). If it detects a DHCP server on the network, APIPA stops, and the DHCP server replaces the APIPA networking addresses with dynamically assigned addresses.
APIPA is meant for nonrouted small business environments, usually less than 25 clients" | |
| thecomeons 2003-04-15, 5:15 am |
| quote:
Originally posted by aawmorris
By the way, how did you get your MCSE status if you can't get two PC's to talk to each other?
peace
Aaron
cut the guy some lack. it was his first post. if english is not his first language, maybe he thought that's where the certifications you are studying for go. | |
| CuongTruong 2003-04-15, 6:23 am |
| In case the machine can not obtain an IP address from the DHCP server, it would have APIPA. You can check in "Event Viewer" since an error or warning event type will be recorded there.
Cuong. |
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