Destination Host Unreachable


M

mikeyuf

I have an issue "pinging" a specific host (or IP for that matter.)

I am running Windows XP SP3 on a private network, that is joined to a
SBS2003 Domain. All other computers on the network are running fine,
and do not have this routing issue.

I cannot seem to figure out why I cannot be routed to a specific IP.
I noticed that I was unable to download any drivers from dell. All
drivers directly download from dell come from the site
ftp.us.dell.com. When I nslookup this, I can resolve it to
143.166.170.10. If I try to ping either 143.166.170.10 or
ftp.us.dell.com, I get the destination host unreachable error. I will
paste some diagnostic information below.

C:\Documents and Settings\MLoughran>ping ftp.us.dell.com

Pinging ftp.ins.dell.com [143.166.11.10] with 32 bytes of data:

Destination host unreachable.
Destination host unreachable.
Destination host unreachable.
Destination host unreachable.

Ping statistics for 143.166.11.10:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

C:\Documents and Settings\USER>print route
Can't find file route

C:\Documents and Settings\USER>route print
===========================================================================
Interface List
0x1 ........................... MS TCP Loopback interface
0x2 ...00 19 b9 1b 84 6a ...... Broadcom NetXtreme 57xx Gigabit
Controller - Pac
ket Scheduler Miniport
===========================================================================
===========================================================================
Active Routes:
Network Destination Netmask Gateway Interface
Metric
0.0.0.0 0.0.0.0 192.168.123.254
192.168.123.111 20
127.0.0.0 255.0.0.0 127.0.0.1
127.0.0.1 1
192.168.123.0 255.255.255.0 192.168.123.111
192.168.123.111 20
192.168.123.111 255.255.255.255 127.0.0.1
127.0.0.1 20
192.168.123.255 255.255.255.255 192.168.123.111
192.168.123.111 20
224.0.0.0 240.0.0.0 192.168.123.111
192.168.123.111 20
255.255.255.255 255.255.255.255 192.168.123.111
192.168.123.111 1
Default Gateway: 192.168.123.254
===========================================================================
Persistent Routes:
None

C:\Documents and Settings\USER>nslookup
Default Server: seminole.ourdomainlocal
Address: 192.168.123.10
ftp.us.dell.com
Server: seminole.ourdomain.local
Address: 192.168.123.10

Non-authoritative answer:
Name: ftp.ins.dell.com
Address: 143.166.170.10
Aliases: ftp.us.dell.com

C:\Documents and Settings\USER>clear
'clear' is not recognized as an internal or external command,
operable program or batch file.

C:\Documents and Settings\USER>clear
'clear' is not recognized as an internal or external command,
operable program or batch file.

C:\Documents and Settings\USER>clr
'clr' is not recognized as an internal or external command,
operable program or batch file.

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

Windows IP Configuration

Host Name . . . . . . . . . . . . : MEL1
Primary Dns Suffix . . . . . . . : ourdomain.local
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : ourdomain.local
ourdomain.local

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . : ourdomain.local
Description . . . . . . . . . . . : Broadcom NetXtreme 57xx
Gigabit Cont
roller
Physical Address. . . . . . . . . : 00-19-B9-1B-84-6A
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 192.168.123.111
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.123.254
DHCP Server . . . . . . . . . . . : 192.168.123.10
DNS Servers . . . . . . . . . . . : 192.168.123.10
Primary WINS Server . . . . . . . : 192.168.123.10
Lease Obtained. . . . . . . . . . : Tuesday, September 22,
2009 10:59:06
AM
Lease Expires . . . . . . . . . . : Tuesday, September 29,
2009 10:59:06
AM

C:\Documents and Settings\USER>ping 143.166.170.10

Pinging 143.166.170.10 with 32 bytes of data:

Destination host unreachable.
Destination host unreachable.
Destination host unreachable.
Destination host unreachable.

Ping statistics for 143.166.170.10:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

C:\Documents and Settings\USER>ping ftp.us.dell.com

Pinging ftp.ins.dell.com [143.166.170.10] with 32 bytes of data:

Destination host unreachable.
Destination host unreachable.
Destination host unreachable.
Destination host unreachable.

Ping statistics for 143.166.170.10:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

C:\Documents and Settings\USER>route print
===========================================================================
Interface List
0x1 ........................... MS TCP Loopback interface
0x2 ...00 19 b9 1b 84 6a ...... Broadcom NetXtreme 57xx Gigabit
Controller - Pac
ket Scheduler Miniport
===========================================================================
===========================================================================
Active Routes:
Network Destination Netmask Gateway Interface
Metric
0.0.0.0 0.0.0.0 192.168.123.254
192.168.123.111 20
127.0.0.0 255.0.0.0 127.0.0.1
127.0.0.1 1
192.168.123.0 255.255.255.0 192.168.123.111
192.168.123.111 20
192.168.123.111 255.255.255.255 127.0.0.1
127.0.0.1 20
192.168.123.255 255.255.255.255 192.168.123.111
192.168.123.111 20
224.0.0.0 240.0.0.0 192.168.123.111
192.168.123.111 20
255.255.255.255 255.255.255.255 192.168.123.111
192.168.123.111 1
Default Gateway: 192.168.123.254
===========================================================================
Persistent Routes:
None

C:\Documents and Settings\USER>ping google.com

Pinging google.com [74.125.45.100] with 32 bytes of data:

Reply from 74.125.45.100: bytes=32 time=52ms TTL=46
Reply from 74.125.45.100: bytes=32 time=53ms TTL=46
Reply from 74.125.45.100: bytes=32 time=53ms TTL=46
Reply from 74.125.45.100: bytes=32 time=53ms TTL=46

Ping statistics for 74.125.45.100:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 52ms, Maximum = 53ms, Average = 52ms

C:\Documents and Settings\USER>ping 127.0.0.1

Pinging 127.0.0.1 with 32 bytes of data:

Reply from 127.0.0.1: bytes=32 time<1ms TTL=64
Reply from 127.0.0.1: bytes=32 time<1ms TTL=64
Reply from 127.0.0.1: bytes=32 time<1ms TTL=64
Reply from 127.0.0.1: bytes=32 time<1ms TTL=64

Ping statistics for 127.0.0.1:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms


Additional Info:

My firewall device at 192.168.123.254 can ping both ftp.us.dell.com
and the IP address just fine.

ALL OTHER PC's behind the firewall can ping/tracert both just fine,
this is only on my PC.

Anyone have ANY ideas I can try to resolve this issue?
 
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M

Mark Weinreb

I have an issue "pinging" a specific host (or IP for that matter.)

I am running Windows XP SP3 on a private network, that is joined to a
SBS2003 Domain. All other computers on the network are running fine,
and do not have this routing issue.

I cannot seem to figure out why I cannot be routed to a specific IP.
I noticed that I was unable to download any drivers from dell. All
drivers directly download from dell come from the site
ftp.us.dell.com. When I nslookup this, I can resolve it to
143.166.170.10. If I try to ping either 143.166.170.10 or
ftp.us.dell.com, I get the destination host unreachable error. I will
paste some diagnostic information below.

C:\Documents and Settings\MLoughran>ping ftp.us.dell.com

Pinging ftp.ins.dell.com [143.166.11.10] with 32 bytes of data:

Destination host unreachable.
Destination host unreachable.
Destination host unreachable.
Destination host unreachable.

Ping statistics for 143.166.11.10:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

C:\Documents and Settings\USER>print route
Can't find file route

C:\Documents and Settings\USER>route print
===========================================================================
Interface List
0x1 ........................... MS TCP Loopback interface
0x2 ...00 19 b9 1b 84 6a ...... Broadcom NetXtreme 57xx Gigabit
Controller - Pac
ket Scheduler Miniport
===========================================================================
===========================================================================
Active Routes:
Network Destination Netmask Gateway Interface
Metric
0.0.0.0 0.0.0.0 192.168.123.254
192.168.123.111 20
127.0.0.0 255.0.0.0 127.0.0.1
127.0.0.1 1
192.168.123.0 255.255.255.0 192.168.123.111
192.168.123.111 20
192.168.123.111 255.255.255.255 127.0.0.1
127.0.0.1 20
192.168.123.255 255.255.255.255 192.168.123.111
192.168.123.111 20
224.0.0.0 240.0.0.0 192.168.123.111
192.168.123.111 20
255.255.255.255 255.255.255.255 192.168.123.111
192.168.123.111 1
Default Gateway: 192.168.123.254
===========================================================================
Persistent Routes:
None

C:\Documents and Settings\USER>nslookup
Default Server: seminole.ourdomainlocal
Address: 192.168.123.10
ftp.us.dell.com
Server: seminole.ourdomain.local
Address: 192.168.123.10

Non-authoritative answer:
Name: ftp.ins.dell.com
Address: 143.166.170.10
Aliases: ftp.us.dell.com

C:\Documents and Settings\USER>clear
'clear' is not recognized as an internal or external command,
operable program or batch file.

C:\Documents and Settings\USER>clear
'clear' is not recognized as an internal or external command,
operable program or batch file.

C:\Documents and Settings\USER>clr
'clr' is not recognized as an internal or external command,
operable program or batch file.

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

Windows IP Configuration

Host Name . . . . . . . . . . . . : MEL1
Primary Dns Suffix . . . . . . . : ourdomain.local
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : ourdomain.local
ourdomain.local

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . : ourdomain.local
Description . . . . . . . . . . . : Broadcom NetXtreme 57xx
Gigabit Cont
roller
Physical Address. . . . . . . . . : 00-19-B9-1B-84-6A
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 192.168.123.111
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.123.254
DHCP Server . . . . . . . . . . . : 192.168.123.10
DNS Servers . . . . . . . . . . . : 192.168.123.10
Primary WINS Server . . . . . . . : 192.168.123.10
Lease Obtained. . . . . . . . . . : Tuesday, September 22,
2009 10:59:06
AM
Lease Expires . . . . . . . . . . : Tuesday, September 29,
2009 10:59:06
AM

C:\Documents and Settings\USER>ping 143.166.170.10

Pinging 143.166.170.10 with 32 bytes of data:

Destination host unreachable.
Destination host unreachable.
Destination host unreachable.
Destination host unreachable.

Ping statistics for 143.166.170.10:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

C:\Documents and Settings\USER>ping ftp.us.dell.com

Pinging ftp.ins.dell.com [143.166.170.10] with 32 bytes of data:

Destination host unreachable.
Destination host unreachable.
Destination host unreachable.
Destination host unreachable.

Ping statistics for 143.166.170.10:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

C:\Documents and Settings\USER>route print
===========================================================================
Interface List
0x1 ........................... MS TCP Loopback interface
0x2 ...00 19 b9 1b 84 6a ...... Broadcom NetXtreme 57xx Gigabit
Controller - Pac
ket Scheduler Miniport
===========================================================================
===========================================================================
Active Routes:
Network Destination Netmask Gateway Interface
Metric
0.0.0.0 0.0.0.0 192.168.123.254
192.168.123.111 20
127.0.0.0 255.0.0.0 127.0.0.1
127.0.0.1 1
192.168.123.0 255.255.255.0 192.168.123.111
192.168.123.111 20
192.168.123.111 255.255.255.255 127.0.0.1
127.0.0.1 20
192.168.123.255 255.255.255.255 192.168.123.111
192.168.123.111 20
224.0.0.0 240.0.0.0 192.168.123.111
192.168.123.111 20
255.255.255.255 255.255.255.255 192.168.123.111
192.168.123.111 1
Default Gateway: 192.168.123.254
===========================================================================
Persistent Routes:
None

C:\Documents and Settings\USER>ping google.com

Pinging google.com [74.125.45.100] with 32 bytes of data:

Reply from 74.125.45.100: bytes=32 time=52ms TTL=46
Reply from 74.125.45.100: bytes=32 time=53ms TTL=46
Reply from 74.125.45.100: bytes=32 time=53ms TTL=46
Reply from 74.125.45.100: bytes=32 time=53ms TTL=46

Ping statistics for 74.125.45.100:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 52ms, Maximum = 53ms, Average = 52ms

C:\Documents and Settings\USER>ping 127.0.0.1

Pinging 127.0.0.1 with 32 bytes of data:

Reply from 127.0.0.1: bytes=32 time<1ms TTL=64
Reply from 127.0.0.1: bytes=32 time<1ms TTL=64
Reply from 127.0.0.1: bytes=32 time<1ms TTL=64
Reply from 127.0.0.1: bytes=32 time<1ms TTL=64

Ping statistics for 127.0.0.1:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms


Additional Info:

My firewall device at 192.168.123.254 can ping both ftp.us.dell.com
and the IP address just fine.

ALL OTHER PC's behind the firewall can ping/tracert both just fine,
this is only on my PC.

Anyone have ANY ideas I can try to resolve this issue?

A lot of companies and individuals set their servers/pcs/routers to
swallow ping packets. In other words you can ping them as much as you
like, but your request is ignored and the ping fails giving an
unreachable message.

They do this to prevent their servers becoming overloaded answering ping
requests, which otherwise could either crash the server, or slow it down
to the speed of an arthritic snail.
 
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J

John Wunderlich

m:
I have an issue "pinging" a specific host (or IP for that matter.)

I am running Windows XP SP3 on a private network, that is joined
to a SBS2003 Domain. All other computers on the network are
running fine, and do not have this routing issue.

I cannot seem to figure out why I cannot be routed to a specific
IP. I noticed that I was unable to download any drivers from dell.
All drivers directly download from dell come from the site
ftp.us.dell.com. When I nslookup this, I can resolve it to
143.166.170.10. If I try to ping either 143.166.170.10 or
ftp.us.dell.com, I get the destination host unreachable error. I
will paste some diagnostic information below.

Additional Info: [...]

My firewall device at 192.168.123.254 can ping both
ftp.us.dell.com and the IP address just fine.

ALL OTHER PC's behind the firewall can ping/tracert both just
fine, this is only on my PC.

Anyone have ANY ideas I can try to resolve this issue?

Your configuration info looks fine for the network topology you
describe.
The one bit of info you did not post was the result of a tracert.

From what I can tell, everything is pointing to your nameless
"firewall device" at 192.168.123.254. Firewall devices can be
configured to allow/deny based on IP addresses, ports, and MAC
addresses among other things. Check the configuration of your
firewall device to see if you've excluding yourself by virtue of
your firewall device settings. As a test, try replacing it with a
simple router.

If you have any firewall software installed on your computer, check
that too.

You might also try "LSPFix". Sometimes it will fix strange problems
like this.
<http://www.cexx.org/lspfix.htm>

HTH,
John
 

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