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uk.telecom.broadband (UK broadband) (uk.telecom.broadband) Discussion of broadband services, technology and equipment as provided in the UK. Discussions of specific services based on ADSL, cable modems or other broadband technology are also on-topic. Advertising is not allowed.

Linksys router & laptop NIC won't play nice



 
 
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  #1  
Old January 28th 04, 02:30 PM posted to uk.telecom.broadband
Lionel B
external usenet poster
 
Posts: 4
Default Linksys router & laptop NIC won't play nice

I have NTL cable (STB as modem) and a Linksys BEFSR41 router, PC &
laptop (both running W2K). Router set to talk DHCP on LAN side, PC and
laptop configured for DHCP.

PC connects fine via router, laptop connects fine directly from modem
but *not* via router.

When connected to router, laptop connects and appears to negotiate
DHCP ok (correct IP address, gateway, subnet, DNS) but the connection
is - *very* slow and unreliable. Ping, tracert suggest 50% packet
loss between NIC and router.

Dodgy cables, router ports, etc. ruled out by exhaustive (and
exhausting) testing. I have googled fairly extensively and am
beginning to suspect a hardware (or firmware?) problem between the
BEFSR41 and the laptop NIC, which is an Actiontec 82559-based mini PCI
10/100 adapter (on Dell Inspiron 8000).

Anyone seen this before?

--
Lionel B
  #2  
Old January 28th 04, 09:50 PM posted to uk.telecom.broadband
Bob { Goddard }
external usenet poster
 
Posts: 41
Default Linksys router & laptop NIC won't play nice

Lionel B wrote:

I have NTL cable (STB as modem) and a Linksys BEFSR41 router, PC &
laptop (both running W2K). Router set to talk DHCP on LAN side, PC and
laptop configured for DHCP.

PC connects fine via router, laptop connects fine directly from modem
but *not* via router.

When connected to router, laptop connects and appears to negotiate
DHCP ok (correct IP address, gateway, subnet, DNS) but the connection
is - *very* slow and unreliable. Ping, tracert suggest 50% packet
loss between NIC and router.

Dodgy cables, router ports, etc. ruled out by exhaustive (and
exhausting) testing. I have googled fairly extensively and am
beginning to suspect a hardware (or firmware?) problem between the
BEFSR41 and the laptop NIC, which is an Actiontec 82559-based mini PCI
10/100 adapter (on Dell Inspiron 8000).

Anyone seen this before?


You seem to be saying that if you bring up a web page on the
router, the connection is very slow?

It's possible that the ethernet auto. conf. failed.
Try forcing the PCs nic to be 100/full.


B

--
http://www.mailtrap.org.uk/
  #3  
Old January 29th 04, 11:39 AM posted to uk.telecom.broadband
Lionel B
external usenet poster
 
Posts: 2
Default Linksys router & laptop NIC won't play nice

Bob { Goddard } wrote:
Lionel B wrote:

I have NTL cable (STB as modem) and a Linksys BEFSR41 router, PC &
laptop (both running W2K). Router set to talk DHCP on LAN side, PC and
laptop configured for DHCP.

PC connects fine via router, laptop connects fine directly from modem
but *not* via router.

When connected to router, laptop connects and appears to negotiate
DHCP ok (correct IP address, gateway, subnet, DNS) but the connection
is - *very* slow and unreliable. Ping, tracert suggest 50% packet
loss between NIC and router.

Dodgy cables, router ports, etc. ruled out by exhaustive (and
exhausting) testing. I have googled fairly extensively and am
beginning to suspect a hardware (or firmware?) problem between the
BEFSR41 and the laptop NIC, which is an Actiontec 82559-based mini PCI
10/100 adapter (on Dell Inspiron 8000).

Anyone seen this before?

You seem to be saying that if you bring up a web page on the
router, the connection is very slow?


When connected via the router, it brings up *any* web page (including
the router admin page) very slowly, or not at all

It's possible that the ethernet auto. conf. failed.
Try forcing the PCs nic to be 100/full.


Tried that & it doesn't help (as it happens the autodetect was correctly
setting 100/full)

--
Lionel B
  #4  
Old January 29th 04, 02:09 PM posted to uk.telecom.broadband
Bob { Goddard }
external usenet poster
 
Posts: 41
Default Linksys router & laptop NIC won't play nice

Lionel B wrote:

Bob { Goddard } wrote:
Lionel B wrote:

I have NTL cable (STB as modem) and a Linksys BEFSR41 router, PC &
laptop (both running W2K). Router set to talk DHCP on LAN side, PC and
laptop configured for DHCP.

PC connects fine via router, laptop connects fine directly from modem
but *not* via router.

When connected to router, laptop connects and appears to negotiate
DHCP ok (correct IP address, gateway, subnet, DNS) but the connection
is - *very* slow and unreliable. Ping, tracert suggest 50% packet
loss between NIC and router.

Dodgy cables, router ports, etc. ruled out by exhaustive (and
exhausting) testing. I have googled fairly extensively and am
beginning to suspect a hardware (or firmware?) problem between the
BEFSR41 and the laptop NIC, which is an Actiontec 82559-based mini PCI
10/100 adapter (on Dell Inspiron 8000).

Anyone seen this before?

You seem to be saying that if you bring up a web page on the
router, the connection is very slow?


When connected via the router, it brings up *any* web page (including
the router admin page) very slowly, or not at all

It's possible that the ethernet auto. conf. failed.
Try forcing the PCs nic to be 100/full.


Tried that & it doesn't help (as it happens the autodetect was correctly
setting 100/full)


NICs have been known to lie about what they are running at.

Go to http://www.ethereal.com/ and install the sniffer software.
You should then be able to tell from the traffic where the problem
lies.


B

--
http://www.mailtrap.org.uk/
  #5  
Old January 31st 04, 12:40 AM posted to uk.telecom.broadband
Lionel B
external usenet poster
 
Posts: 2
Default Linksys router & laptop NIC won't play nice

Bob { Goddard } wrote:
Lionel B wrote:

Bob { Goddard } wrote:

Lionel B wrote:

I have NTL cable (STB as modem) and a Linksys BEFSR41 router, PC &
laptop (both running W2K). Router set to talk DHCP on LAN side, PC and
laptop configured for DHCP.

PC connects fine via router, laptop connects fine directly from modem
but *not* via router.

When connected to router, laptop connects and appears to negotiate
DHCP ok (correct IP address, gateway, subnet, DNS) but the connection
is - *very* slow and unreliable. Ping, tracert suggest 50% packet
loss between NIC and router.

Dodgy cables, router ports, etc. ruled out by exhaustive (and
exhausting) testing. I have googled fairly extensively and am
beginning to suspect a hardware (or firmware?) problem between the
BEFSR41 and the laptop NIC, which is an Actiontec 82559-based mini PCI
10/100 adapter (on Dell Inspiron 8000).

Anyone seen this before?

You seem to be saying that if you bring up a web page on the
router, the connection is very slow?


When connected via the router, it brings up *any* web page (including
the router admin page) very slowly, or not at all

It's possible that the ethernet auto. conf. failed.
Try forcing the PCs nic to be 100/full.


Tried that & it doesn't help (as it happens the autodetect was correctly
setting 100/full)


NICs have been known to lie about what they are running at.


Well, I don't know whether it lied or not, but it seems that it did fail
to autodetect correctly (this is apparently a known problem of some
Actiontec cards with the BEFSR41). Setting 10/full appears to solve the
problem.

Cheers,

--
Lionel B
 




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