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Old 11-01-2001, 03:13 PM   #1
stevel
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Registered: Oct 2001
Posts: 3

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Unhappy Pinging problem - extremely slow response time


I have a Linux server (Redhat 6.2) set up in my local network of mostly Windows O/S. The problem I am having is the extremely slow response time when I tried to ping any other machine on the network. There's no problem pinging my linux server from all other machines. Just the other way round.

The response time I get keeps doubling it seems. The second response time is 74000 ms, and then 148000 ms and so forth.

When I use ping -n then the response time is normal.

I have spent days trying to resolve this with success. Tried all the suggestions posted in this forum for other problems. I must have missed something.

Thanks in advance.


ifconfig shows:

eth0 Link encap:Ethernet HWaddr 00:B00:E3:4A:C5
inet addr:192.168.18.3 Bcast:192.168.18.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:44945 errors:0 dropped:0 overruns:1 frame:0
TX packets:34535 errors:0 dropped:0 overruns:0 carrier:6
collisions:89

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:3924 Metric:1
RX packets:108 errors:0 dropped:0 overruns:0 frame:0
TX packets:108 errors:0 dropped:0 overruns:0 carrier:0
collisions:0


netstat -r shows:

Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
mylinux01.abc.com * 255.255.255.255 UH 0 0 0 eth0
localnet * 255.255.255.0 U 0 0 0 eth0
loopnet * 255.0.0.0 U 0 0 0 lo


/etc/hosts shows:

127.0.0.1 localhost.localdomain localhost
192.168.18.3 mylinux01.abc.com mylinux01


/proc/sys/net/ipv4/ip_forward set to 1.

Route -n shows:

Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.18.3 0.0.0.0 255.255.255.255 UH 0 0 0 eth0
192.168.18.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0.0.0.0 192.168.18.1 0.0.0.0 UG 0 0 0 eth0
 
Old 11-02-2001, 04:13 AM   #2
siddiqu
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Registered: Mar 2001
Location: India
Posts: 332

Rep: Reputation: 30
Hi..

1. ping -n is normal means, try to put host entry for each ip in ur hosts file. because ping program lookup IP.

2. Noticed that some collission is their in the interface. so check the hub/switch/cable



Siddiqu.T
 
  


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