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тАО04-23-2010 11:41 AM
тАО04-23-2010 11:41 AM
Randon High count on ping
I am using HPUX11.11 with rp3440. I do occassionally get high ping respond even trying to ping itself??
4 bytes from 10.155.4.86: icmp_seq=151. time=2. ms
64 bytes from 10.155.4.86: icmp_seq=152. time=2. ms
64 bytes from 10.155.4.86: icmp_seq=153. time=1682. ms < ----------????
64 bytes from 10.155.4.86: icmp_seq=154. time=1093. ms < ----------???
64 bytes from 10.155.4.86: icmp_seq=155. time=2. ms
What causing this? even pinging to it own ip??
It is driving crazy.
Please advice.
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тАО04-24-2010 12:21 PM
тАО04-24-2010 12:21 PM
Re: Randon High count on ping
Are your network card and/or switch/hub or router port set to auto-sense/auto-negotiate the duplex mode and speed?
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тАО04-24-2010 05:23 PM
тАО04-24-2010 05:23 PM
Re: Randon High count on ping
Are you facing problem with all the other IP address ?
Whats your current settings for lancard?
# lanadmin -x 1
Speed = 100 Full-Duplex.
Autonegotiation = On.
Regards,
Sooraj
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тАО04-25-2010 06:16 PM
тАО04-25-2010 06:16 PM
Re: Randon High count on ping
lanadmin -g 0
(where 0=lan0, 1=lan1, and so on). You are looking for errors in the last half of the listing following the Index line. Unless you are connected to a (very old, very slow) 10 Mbit switch, there should be no collisions.
Bill Hassell, sysadmin
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тАО04-26-2010 05:52 AM
тАО04-26-2010 05:52 AM
Re: Randon High count on ping
# lanadmin -x 1
Speed = 1000 Full-Duplex.
Autonegotiation = On.
# lanadmin -g 0
LAN INTERFACE STATUS DISPLAY
Mon, Apr 26,2010 09:50:26
PPA Number = 0
Description = lan0 HP PCI Core I/O 1000Base-T Release B.11.11.27
Type (value) = ethernet-csmacd(6)
MTU Size = 1500
Speed = 1000000000
Station Address = 0x1a4b0b9898
Administration Status (value) = up(1)
Operation Status (value) = up(1)
Last Change = 466
Inbound Octets = 570859297
Inbound Unicast Packets = 523710764
Inbound Non-Unicast Packets = 136683197
Inbound Discards = 0
Inbound Errors = 0
Inbound Unknown Protocols = 84268742
Outbound Octets = 415130206
Outbound Unicast Packets = 484835134
Outbound Non-Unicast Packets = 25166
Outbound Discards = 0
Outbound Errors = 0
Outbound Queue Length = 0
Specific = 655367
Ethernet-like Statistics Group
Index = 1
Alignment Errors = 0
FCS Errors = 0
Single Collision Frames = 0
Multiple Collision Frames = 0
Deferred Transmissions = 0
Late Collisions = 0
Excessive Collisions = 0
Internal MAC Transmit Errors = 0
Carrier Sense Errors = 0
Frames Too Long = 0
Internal MAC Receive Errors = 0
Also, tHis server only have one ip.
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тАО04-26-2010 06:03 AM
тАО04-26-2010 06:03 AM
Re: Randon High count on ping
netstat -p icmp
icmp:
3638418 calls to generate an ICMP error message
245407 ICMP messages dropped
Output histogram:
echo reply: 188300
destination unreachable: 33918
source quench: 3416147
routing redirect: 0
echo: 0
time exceeded: 52
parameter problem: 0
time stamp: 0
time stamp reply: 0
address mask request: 0
address mask reply: 0
22 bad ICMP messages
Input histogram:
echo reply: 40958431
destination unreachable: 810334
source quench: 87772
routing redirect: 47
echo: 188300
time exceeded: 4289117
parameter problem: 0
time stamp request: 0
time stamp reply: 0
address mask request: 0
address mask reply: 0
188300 responses sent
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тАО04-26-2010 06:21 AM
тАО04-26-2010 06:21 AM
Re: Randon High count on ping
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тАО04-26-2010 06:41 AM
тАО04-26-2010 06:41 AM
Re: Randon High count on ping
One thing I notice is, if i ping from other Server to this server... i dont have those problem. Only if i ping itself. :(
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тАО04-28-2010 07:04 AM
тАО04-28-2010 07:04 AM
Re: Randon High count on ping
you could see error messages.