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Posted by on August 23, 2005, 12:43 pm
We have a new device by Raritan it is a Dominion SX16. It has an
ethernet connection. With a straight thru cable plugged into its
ethernet port.
When we plug the other side of the ethernet cable into a 6500 Cisco
Switch we (do not) get a link light on the Cisco port and Raritan
device. The port is just configured for 100/full and on VLAN 1
When we plug the other side of the ethernet cable into a 2924 or 2912
switch we (do) get a link light on both devices ports. The port is
also just configured for 100/full and on VLAN 1
What is the problem, there should be no difference between an ethernet
port on a 6500 switch and a port on a 2900 switch? We have tried to
connect this device to multiple 6000 switches and we get the same
result no connection and no link lights but everytime we connect to a
2900 switch port we get a connection.
I have been doing networking for over 7 years and I have never seen
this type of problem.
Any help is appreciated????
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Posted by Walter Roberson on August 23, 2005, 8:26 pm
:We have a new device by Raritan it is a Dominion SX16.
:When we plug the other side of the ethernet cable into a 6500 Cisco
:Switch we (do not) get a link light on the Cisco port and Raritan
:device. The port is just configured for 100/full and on VLAN 1
:When we plug the other side of the ethernet cable into a 2924 or 2912
:switch we (do) get a link light on both devices ports. The port is
:also just configured for 100/full and on VLAN 1
:What is the problem, there should be no difference between an ethernet
:port on a 6500 switch and a port on a 2900 switch?
If I recall past discussions correctly, the 6500 and 29xx series handle
autonegotiation differently.
What you wrote sounds like you have the 6500 and 29xx ports hard-coded
for speed and duplex. If so, have you also hardcoded the Raritan port
for speed and duplex?
Conversely, if you have all the ports hard-coded, then try setting
them all to autonegotiate: I have heard more than once of devices that
-require- autonegotiation when talking to the 6500 series (some Sun
boxes, some SGI boxes, some random switches.)
--
The rule of thumb for speed is:
1. If it doesn't work then speed doesn't matter. -- Christian Bau
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Posted by on August 23, 2005, 3:29 pm
I would also make sure it is actually a straight thru cable. A
crossover is used for switch to switch links, so if you're getting a
link between switches, it may be a crossover.
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Posted by Walter Roberson on August 23, 2005, 11:47 pm
:I would also make sure it is actually a straight thru cable. A
:crossover is used for switch to switch links, so if you're getting a
:link between switches, it may be a crossover.
Yeah, but either way the OP is plugging into a switch -- either
a 29xx or the 6500. The OP specifically named the 6500 as a 'switch'
not as a router.
The 29xx series is too old to expect auto-mdix so I do not expect
it to be just a case of having used the "wrong" cable up until now.
--
Ceci, ce n'est pas une idée.
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Posted by on August 24, 2005, 12:31 am
mdargin@msn.com a écrit :
> We have a new device by Raritan it is a Dominion SX16. It has an
> ethernet connection. With a straight thru cable plugged into its
> ethernet port.
In the Dominion admin interface, try setting the ethernet port to
100/Full-Duplex - I believe that the default is auto-neg.
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> ethernet connection. With a straight thru cable plugged into its
> ethernet port.