First I guess you tried it but remove just for the test the ACL and see if
you are still being blocked if you do couple of things are possible, first
the services is not running properly try telneting the localhost to that TCP
port (I am assuming it is a TCP port),
second it might be a queuing problem if you are using queuing.
If you see that ACL is the problem it is possible that the order of the ACL
statments are in conflict or the returning port is being blocked, you can
try adding a log to the ACL statments.
You can test the connection with a specific port by just using telnet
x.x.x.x y y=port number (only TCP)
For your second question yes you can apply ACL's on switches but only L-3
switches and with certain OS.
I hope it helps
GIL
CCNA,CCDA
-----Original Message-----
From: Chee Tong Sim [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, August 09, 2000 8:00 PM
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: Is there a command to test a connection using a specific port
Dear friends,
1)Is there a command to test a connection using a specific port?
I have a X windows client which was removed from segment to another in the
remote site, the client use specific port to talk to server after the
relocation, the client cannot talk to the server in our site. But we can
ping to the client from our site, so we suspect the access list problem
Because there are too many router in between and two back bone switch, we
checked all access list but nothing found wrong. Is there a cisco command to
test a connection between two site using specific port??
2) I have a back bone switch with RSM module, so I have two configuration
file, 1 for router and 1 for switch. I understand the router module but not
switch module.
Can access-list applied on the switches module?? or is there a way to block
the specific port connection in the switches module??
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