8000 bytes = 64000 bits. What speed is your ISDN channel? How long will
it take a ping to get to the other side and back? How long is your
timeout?
I expect that if you increase the timeout you will see your pings return.
JMcL
---------------------- Forwarded by Jenny Mcleod/NSO/CSDA on 09/04/2001
10:23 am ---------------------------
"Savvas Themistocleous" <[EMAIL PROTECTED]>@groupstudy.com on 06/04/2001
08:17:17 pm
Please respond to "Savvas Themistocleous" <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
To: <[EMAIL PROTECTED]>
cc:
Subject: ISDN irregularity
Hi all,
I have just picked up something strange on my AS5300. Is this standard for
an Isdn connection with an MTU over 8000, it has a regular pattern which
suggests that it is standard to me. Any ideas? I thought fragmentation
should occur past this to 18024.
JHB-AS5300#ping
Protocol [ip]:
Target IP address: 216.0.53.162
Repeat count [5]:
Datagram size [100]:
Timeout in seconds [2]:
Extended commands [n]:
Sweep range of sizes [n]: y
Sweep min size [36]: 5000
Sweep max size [18024]: 1000
% Bad maximum size
JHB-AS5300#ping
Protocol [ip]:
Target IP address: 216.0.53.162
Repeat count [5]:
Datagram size [100]:
Timeout in seconds [2]:
Extended commands [n]:
Sweep range of sizes [n]: y
Sweep min size [36]: 5000
Sweep max size [18024]: 10000
Sweep interval [1]: 500
Type escape sequence to abort.
Sending 55, [5000..10000]-byte ICMP Echos to 216.0.53.162, timeout is 2
seconds:
!!!!!!.....!!!!!!.....!!!!!!.....!!!!!
Regards
Savvas
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