Networking novice needs help

Andrew andrew.hodgson at blueyonder.co.uk
Mon Dec 2 10:05:29 GMT 2002


> > Back to the thread though; seems strange that the install worked via
> > the network, but now the same wires don't ping.  Something must've changed.

Yeah, it's funny - sysinstall's DHCP didn't work at first, I had to kep
trying it to get it to work. And that was on 10Mbps (it's a dual-port
card.)

> > What type of hub or switch are you using. 

CentreCOM FS705E - nice little 5-port hub. Lights up normally when a
switched on box is connected to it, regardless of TCP/IP activity. Also
has a light for 100MBps, and (of course) an activity light.



> > Have you tried forcing the card to use 10Mbps. 

Yes, by just using that port - also with two different cables.

> > Can you ping the address from the actual box the card is fitted to. 

Yes! Pinging 192.168.1.2 (or just 'ping squid') gives me the normal
sub-millisecond times.

> > Sorry lots of questions but few anwsers

That's alright!

Now, I'll just reply to Jeff's email as well - 

Firstly, I haven't made my own cables (a level of geekery I am only
beginning to climb to), but I have tested the 10MBps port with two
different cables, both of which are confirmed to work.

Output of netstat -in (on squid) is:

Name  Mtu   Network       Address            Ipkts Ierrs    Opkts Oerrs 
Coll
de0   1500  <Link#1>    00:00:e8:21:b4:23        0     0        1    
1     0
de0   1500  192.168.1/28  192.168.1.2            8     -       15    
-     -
de0   1500  fe80:1::200 fe80:1::200:e8ff:        0     -        0    
-     -
lp0*  1500  <Link#2>                             0     0        0    
0     0
lo0   16384 <Link#3>                             8     0        8    
0     0
lo0   16384 ::1/128     ::1                      0     -        0    
-     -
lo0   16384 fe80:3::1/6 fe80:3::1                0     -        0    
-     -
lo0   16384 127           127.0.0.1              0     -        0    
-     -
ppp0* 1500  <Link#4>                             0     0        0    
0     0
sl0*  552   <Link#5>                             0     0        0    
0     0
faith 1500  <Link#6>                             0     0        0    
0     0

And I thought I'd give you netstat -rn as well (don't know why):

Routing tables

Internet:
Destination        Gateway            Flags    Refs      Use  Netif
Expire
default            192.168.1.1        UGSc        1        0    de0
127.0.0.1          127.0.0.1          UH          0        0    lo0
192.168.1/28       link#1             UC          2        0    de0
192.168.1.1        link#1             UHRLW       2        3    de0
192.168.1.2        00:00:e8:21:b4:23  UHLW        0        8    lo0

Internet6:
Destination                       Gateway                      
Flags      Netif Expire
::1                               ::1                          
UH          lo0
fe80::%de0/64                     link#1                       
UC          de0
fe80::200:e8ff:fe21:b423%de0      00:00:e8:21:b4:23            
UHL         lo0
fe80::%lo0/64                     fe80::1%lo0                  
Uc          lo0
fe80::1%lo0                       link#3                       
UHL         lo0
ff01::/32                         ::1                          
U           lo0
ff02::%de0/32                     link#1                       
UC          de0
ff02::%lo0/32                     ::1                          
UC          lo0

I guess it could be the card - I got the last install out of it before
it's death.

Thanks to everyone for chipping in on this,

Andrew





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