Re: [vox-tech] strange network question

[Mark Kim <mkkim@MAPSucdavis.edu>]

Do you happen to have a firewall setup that's dropping all ping packets?
I can't ping 209.233.102.35 but I can ssh into it.

BTW, traceroute to 209.233.102.35 reveals:

   ...
   4  ded1-fa0-0-0.scrm01.pbi.net (206.13.31.9)  15.673 ms  16.088 ms
   5  Z-World.cust-rtr.pacbell.net (206.171.148.58)  20.768 ms  19.312 ms
   6  209.233.102.35 (209.233.102.35)  21.164 ms  20.097 ms  19.148 ms

It's going through Z-World! :)

-Mark

On Mon, 19 Feb 2001, Peter Jay Salzman wrote:

> On Mon 19 Feb 01,  2:02 PM, Mark Kim said: 
> > `/sbin/route -n` output?
>  
> Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
> 209.233.102.0   *               255.255.255.0   U     0      0        0 eth1
> default         209.233.102.1   0.0.0.0         UG    0      0        0 eth1
> 
> > Also, where's your eth0?
>  
> that's the nic for the local net here.  i didn't bring it up.
> 
> note - i just brought it up; added the route
> 10.10.4.0       *               255.255.255.0   U     0      0        0 eth0
> 
> but still can't ping my nic:
> 
> ping:~# ping 209.233.102.35
> PING 209.233.102.35 (209.233.102.35): 56 data bytes
> ping: sendto: Invalid argument
> ping: wrote 209.233.102.35 64 chars, ret=-1
> 
> strange...
> 
> pete
> 
> > -Mark
> > 
> > On Mon, 19 Feb 2001, Peter Jay Salzman wrote:
> > 
> > > dear all,
> > > 
> > > what does it mean if i have perfect net connectivity (can ping, ssh, etc
> > > wherever i please), but i can't ping my own ip address?
> > > 
> > > i never saw this before, and it's confusing me:
> > > 
> > > ping:~# ifconfig
> > > eth1      Link encap:Ethernet  HWaddr 00:A0:C9:00:C8:F8
> > >           inet addr:209.233.102.35  Bcast:209.233.102.255 Mask:255.255.255.0
> > >           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
> > >           RX packets:7801 errors:0 dropped:0 overruns:0 frame:0
> > >           TX packets:1873 errors:0 dropped:0 overruns:0 carrier:0
> > >           collisions:0 txqueuelen:100
> > >           Interrupt:11 Base address:0x4000
> > > 
> > > ping:~# ping lugod.org
> > > PING lugod.org (207.215.67.40): 56 data bytes
> > > 64 bytes from 207.215.67.40: icmp_seq=0 ttl=252 time=219.9 ms
> > > 
> > > ping:~# ping 209.233.102.35
> > > PING 209.233.102.35 (209.233.102.35): 56 data bytes
> > > ping: sendto: Invalid argument
> > > ping: wrote 209.233.102.35 64 chars, ret=-1
> > > 
> > > no IRQ conflicts.  wierd!
> > > 
> > > pete
> 

---
Mark K. Kim
http://www.cbreak.org/mark/
PGP key available upon request.