I am having problems with networking on my laptop.
FC2 on a Dell Inspiron 5000 with PC card ethernet. I have 2 different ethernet cards and the symptoms are the same with both. 3C562B/3C563B dual network/modem card 3C589D 10base2/10baseT card.
On both the choice of network media depends on the dongle attached (10baseT or 10base2)
I had no problems with the network interface when running redhat 9.
With FC2 it sees the device and loads the 3c589_cs module (I do not remember which module was used with RH9) and properly configures it. I am able to start the network. It links to my switch as 10Mbit full duplex as indicated on the switch leds.
Here is the weird part. Sometimes (intermittently) I am able to get out to other machines and other times I cannot. When I do successfully connect it usually after some period just stops communicating.
I thought possibly it was an issue with speed/duplexing so I tried mii-tool to see what the parameters of the adapter were, but it tells me there are no mii interfaces available. In fact the error message with mii-tool is "SIOCGMIIPHY on 'eth0' failed: Operation not supported no MII interfaces found"
"route -n" properly shows me the routing, both network and default.
From the laptop, ping to the adapter address works, ping to the default
gateway does not.
From the other devices on my network everything works except pings to
the laptop address.
I am certain it is a "failure to communicate" between the pc card and the switch, but I am at a loss on how to proceed.
My options seem to be: 1. get this (these) adapter(s) to work reliably (preferred) or 2. get a new adapter.
Does anyone have suggestions on how to identify/fix the problem since mii-tool will not work for me?
TIA Jeff
Jeff Vian wrote:
I am having problems with networking on my laptop.
FC2 on a Dell Inspiron 5000 with PC card ethernet. I have 2 different ethernet cards and the symptoms are the same with both. 3C562B/3C563B dual network/modem card 3C589D 10base2/10baseT card.
On both the choice of network media depends on the dongle attached (10baseT or 10base2)
I had no problems with the network interface when running redhat 9.
With FC2 it sees the device and loads the 3c589_cs module (I do not remember which module was used with RH9) and properly configures it. I am able to start the network. It links to my switch as 10Mbit full duplex as indicated on the switch leds.
Here is the weird part. Sometimes (intermittently) I am able to get out to other machines and other times I cannot. When I do successfully connect it usually after some period just stops communicating.
I thought possibly it was an issue with speed/duplexing so I tried mii-tool to see what the parameters of the adapter were, but it tells me there are no mii interfaces available. In fact the error message with mii-tool is "SIOCGMIIPHY on 'eth0' failed: Operation not supported no MII interfaces found"
"route -n" properly shows me the routing, both network and default.
From the laptop, ping to the adapter address works, ping to the default
gateway does not.
From the other devices on my network everything works except pings to
the laptop address.
I am certain it is a "failure to communicate" between the pc card and the switch, but I am at a loss on how to proceed.
My options seem to be:
- get this (these) adapter(s) to work reliably (preferred) or
- get a new adapter.
Does anyone have suggestions on how to identify/fix the problem since mii-tool will not work for me?
TIA Jeff
The first thing I would try (because it is known to work for certain 3com cards using the 3c5x9 module and might be the same issue) is to turn off kudzu running at boot, then reboot the system.
chkconfig kudzu off reboot
It seems that FC's version of kudzu hoses certain 3com cards with the probing it does.
Chris
On Mon, 2004-09-27 at 21:03, Christopher K. Johnson wrote:
Jeff Vian wrote:
I am having problems with networking on my laptop.
FC2 on a Dell Inspiron 5000 with PC card ethernet. I have 2 different ethernet cards and the symptoms are the same with both. 3C562B/3C563B dual network/modem card 3C589D 10base2/10baseT card.
<snip>
TIA Jeff
The first thing I would try (because it is known to work for certain 3com cards using the 3c5x9 module and might be the same issue) is to turn off kudzu running at boot, then reboot the system.
chkconfig kudzu off reboot
It seems that FC's version of kudzu hoses certain 3com cards with the probing it does.
Chris
That made no difference. After worrying with this for a while I realized that I only had one dongle, and that I have been using it with the ethernet card on various laptops for several years. It has only recently begun giving me this problem so I began to suspect it may have gotten damaged (especially since I let a friend use the ethernet card for his laptop some time ago)
I got a new (and of course better) pc card and that one works flawlessly. A linksys PCM200 and when I plugged it in the machine loaded the tulip driver and it just works. No dongles on this one to get damaged. :-)
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Hi Jeff,
I have been running FC2 with a wireless LAN card and encountered similar trouble changing LANS before I figured out how the network profile system works.
Are you using a static IP address or are you using DHCP? Are you trying to use both cards at the same time or one at a time? Are you able to ping the laptop's IP address from another computer on the LAN?
Is the link light on the LAN card is also lighting up?
The first thing that I would check, if the routing table is OK when unable to connect, is the net mask. If it is wrong, you may not actually be on the same IP network that the other computers are on even though you are connected to the same physical network wiring.
You might also try a different patch cable to connect the laptop to the network port or switch. A defective cable can cause trouble.
Hopefully, this helps.
William
Jeff Vian wrote: | I am having problems with networking on my laptop. | | FC2 on a Dell Inspiron 5000 with PC card ethernet. | I have 2 different ethernet cards and the symptoms are the same with | both. | 3C562B/3C563B dual network/modem card | 3C589D 10base2/10baseT card. | | On both the choice of network media depends on the dongle attached | (10baseT or 10base2) | | I had no problems with the network interface when running redhat 9. | | With FC2 it sees the device and loads the 3c589_cs module (I do not | remember which module was used with RH9) and properly configures it. I | am able to start the network. It links to my switch as 10Mbit full | duplex as indicated on the switch leds. | | Here is the weird part. | Sometimes (intermittently) I am able to get out to other machines and | other times I cannot. When I do successfully connect it usually after | some period just stops communicating. | | I thought possibly it was an issue with speed/duplexing so I tried | mii-tool to see what the parameters of the adapter were, but it tells me | there are no mii interfaces available. In fact the error message with | mii-tool is | "SIOCGMIIPHY on 'eth0' failed: Operation not supported | no MII interfaces found" | | "route -n" properly shows me the routing, both network and default. | |>From the laptop, ping to the adapter address works, ping to the default | gateway does not. |>From the other devices on my network everything works except pings to | the laptop address. | | I am certain it is a "failure to communicate" between the pc card and | the switch, but I am at a loss on how to proceed. | | My options seem to be: | 1. get this (these) adapter(s) to work reliably (preferred) or | 2. get a new adapter. | | Does anyone have suggestions on how to identify/fix the problem since | mii-tool will not work for me? | | TIA | Jeff |
On Tue, 2004-09-28 at 00:37, William Anderson wrote:
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Hi Jeff,
I have been running FC2 with a wireless LAN card and encountered similar trouble changing LANS before I figured out how the network profile system works.
not using profiles, only one network config and that is a wired network.
Are you using a static IP address or are you using DHCP? Are you trying to use both cards at the same time or one at a time? Are you able to ping the laptop's IP address from another computer on the LAN?
static IP, never more than one card, no communication either way.
Is the link light on the LAN card is also lighting up?
yes
The first thing that I would check, if the routing table is OK when unable to connect, is the net mask. If it is wrong, you may not actually be on the same IP network that the other computers are on even though you are connected to the same physical network wiring.
verified everything repeatedly, and sometimes it works but more often not. When it does connect it works for a short time then loses the communication although the link lights, and ifconfig show it is still active.
You might also try a different patch cable to connect the laptop to the network port or switch. A defective cable can cause trouble.
tried the cable, as well as different ports on the switch.
Hopefully, this helps.
As I said, everything was working perfectly with RH9. Now it is intermittent at best (mostly not working).
William
Jeff Vian wrote: | I am having problems with networking on my laptop. | | FC2 on a Dell Inspiron 5000 with PC card ethernet. | I have 2 different ethernet cards and the symptoms are the same with | both. | 3C562B/3C563B dual network/modem card | 3C589D 10base2/10baseT card. | | On both the choice of network media depends on the dongle attached | (10baseT or 10base2) | | I had no problems with the network interface when running redhat 9. | | With FC2 it sees the device and loads the 3c589_cs module (I do not | remember which module was used with RH9) and properly configures it. I | am able to start the network. It links to my switch as 10Mbit full | duplex as indicated on the switch leds. | | Here is the weird part. | Sometimes (intermittently) I am able to get out to other machines and | other times I cannot. When I do successfully connect it usually after | some period just stops communicating. | | I thought possibly it was an issue with speed/duplexing so I tried | mii-tool to see what the parameters of the adapter were, but it tells me | there are no mii interfaces available. In fact the error message with | mii-tool is | "SIOCGMIIPHY on 'eth0' failed: Operation not supported | no MII interfaces found" | | "route -n" properly shows me the routing, both network and default. | |>From the laptop, ping to the adapter address works, ping to the default | gateway does not. |>From the other devices on my network everything works except pings to | the laptop address. | | I am certain it is a "failure to communicate" between the pc card and | the switch, but I am at a loss on how to proceed. | | My options seem to be: | 1. get this (these) adapter(s) to work reliably (preferred) or | 2. get a new adapter. | | Does anyone have suggestions on how to identify/fix the problem since | mii-tool will not work for me? | | TIA | Jeff |