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It looks like nothing was found at this location. Maybe try one of the links below or a search?I'm having strange problems with a gigabit switch (extreme summit
400-48t). symptoms: servers connected to it (mostly sun v20z, also
v210 & v240 servers) seem to loose network connectivity (i can't reach
them anymore on the network). then a minute later, everything works
again as expected.
the servers are all equipped with gigabit NIC's. (I think the v20z use
broadcom cards, the sun v210 & v240 use sun's gigaswift ethernet
another thing that happened the other day was that as soon as i
inserted a network cable (that was already connected to the switch) in
my laptop, my pc was behaving extremely slow. as soon as i removed the
cable, the pc acted normal again.
I'm using cat FTP 5E cables (gigabit certified).
I looked in the log on the switch (show log &debug& command), but
didn't find any errors.
I was just wondering i any of you have a pointer ?
the ports on the switch are on 'auto negotiation'. I read somewhere
that I should probably leave them like that. Perhaps i should fix the
speed on the NIC on the server ?
any ideas ?
tomvanoverbeke
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tom wrote:
& I'm having strange problems with a gigabit switch (extreme summit
& 400-48t). symptoms: servers connected to it (mostly sun v20z, also
& v210 & v240 servers) seem to loose network connectivity (i can't
& them anymore on the network). then a minute later, everything works
& again as expected.
& the servers are all equipped with gigabit NIC's. (I think the v20z
& broadcom cards, the sun v210 & v240 use sun's gigaswift ethernet
& another thing that happened the other day was that as soon as i
& inserted a network cable (that was already connected to the switch)
& my laptop, my pc was behaving extremely slow. as soon as i removed
& cable, the pc acted normal again.
& I'm using cat FTP 5E cables (gigabit certified).
& I looked in the log on the switch (show log &debug& command), but
& didn't find any errors.
& I was just wondering i any of you have a pointer ?
& the ports on the switch are on 'auto negotiation'. I read somewhere
& that I should probably leave them like that. Perhaps i should fix the
& speed on the NIC on the server ?
& any ideas ?
Is portfast enabled? Sounds like the port is negotiating spanning tree.
&Phil& && wrote in message
news:.410@...
& Is portfast enabled? Sounds like the port is negotiating spanning tree.
Extremes don't run spanning-tree by default.
Firstly, lock the port speed and duplex on both the switch and the servers.
The OP doesn't say whether any layer 3 functionality is being used, or
whether its part of an EAPS ring.
I use Extreme switches extensively and have never had this problem with
connectivity.
Posting a copy of the config would probably help....[Province:
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Happy Zhao
Tel: 86-755-
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Contact Method
Shenzhen DRJ Network Products Co., Ltd
Rm. 406A, 4/F, Tongye Building, No. 7008, Beihuan Road, Futian District,
Guangdong,
China (Mainland)
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