Folks,
I have three linux boxes connected to a hub. One is the firewall for my
network to reach the outside, and is therefore the gateway for the others.
The firewall (SuSE 7.3) can ping both the workstation (SuSE 7.3) and the
laptop (RH 7.2), and they can both ping it, but they can not ping each other.
I see inconsistencies between the routing tables as returned by route
(see below), but nothing that keeps either machine from pinging the firewall.
So I don't see why they can't ping each other.
Any help would be appreciated.
Ifconfig on the workstation returns:
eth0 Link encap:Ethernet HWaddr 00:10:5A:0A:BE:F7
inet addr:192.168.13.4 Bcast:192.168.13.255 Mask:255.255.255.0
inet6 addr: fe80::210:5aff:fe0a:bef7/10 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:65 errors:0 dropped:0 overruns:0 frame:0
TX packets:205 errors:0 dropped:0 overruns:0 carrier:0tnt2.sea1.da.uu
collisions:0 txqueuelen:100
RX bytes:7550 (7.3 Kb) TX bytes:23733 (23.1 Kb)
Interrupt:10 Base address:0xbc00
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:179 errors:0 dropped:0 overruns:0 frame:0
TX packets:179 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:15896 (15.5 Kb) TX bytes:15896 (15.5 Kb)
route for the workstation returns:
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
blanket.condoni * 255.255.255.255 UH 0 0 0 eth0
loopback * 255.255.255.0 U 0 0 0 lo
192.168.13.0 blanket.condoni 255.255.255.0 UG 0 0 0 eth0
192.168.13.0 * 255.255.255.0 U 0 0 0 eth0
default gungadin.condon 0.0.0.0 UG 0 0 0 eth0
ifconfig for the workstation returns:
eth0 Link encap:Ethernet HWaddr 00:10:5A:0A:BE:F7
inet addr:192.168.13.5 Bcast:192.168.13.255 Mask:255.255.255.0
inet6 addr: fe80::210:5aff:fe0a:bef7/10 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:118 errors:0 dropped:0 overruns:0 frame:0
TX packets:354 errors:0 dropped:0 overruns:0 carrier:0
collisions:0
RX bytes:11328 (11.0 Kb) TX bytes:26322 (25.7 Kb)
Interrupt:10 Base address:0xbc00
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:444 errors:0 dropped:0 overruns:0 frame:0
TX packets:444 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:36198 (35.3 Kb) TX bytes:36198 (35.3 Kb)
route for the laptop returns:
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
chapeau.condoni * 255.255.255.255 UH 0 0 0 eth0
192.168.13.0 * 255.255.255.0 U 0 0 0 eth0
127.0.0.0 * 255.0.0.0 U 0 0 0 lo
default gungadin.condon 0.0.0.0 UG 0 0 0 eth0
ifconfig for the firewall returns:
eth0 Link encap:Ethernet HWaddr 00:04:5A:43:BF:61
inet addr:192.168.13.1 Bcast:192.168.13.255 Mask:255.255.255.0
inet6 addr: fe80::204:5aff:fe43:bf61/10 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:7569 errors:45 dropped:0 overruns:0 frame:48
TX packets:4791 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:1349393 (1.2 Mb) TX bytes:599894 (585.8 Kb)
Interrupt:5 Base address:0xfc00
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:450 errors:0 dropped:0 overruns:0 frame:0
TX packets:450 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:39832 (38.8 Kb) TX bytes:39832 (38.8 Kb)
ppp0 Link encap:Point-to-Point Protocol
inet addr:63.26.62.199 P-t-P:206.115.157.2 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST DYNAMIC MTU:1524 Metric:1
RX packets:71270 errors:0 dropped:0 overruns:0 frame:0
TX packets:82004 errors:0 dropped:513 overruns:0 carrier:0
collisions:0 txqueuelen:3
RX bytes:55585377 (53.0 Mb) TX bytes:7177064 (6.8 Mb)
route for the firewall returns:
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
gungadin.condon * 255.255.255.255 UH 0 0 0 eth0
[isp DNS server] * 255.255.255.255 UH 0 0 0 ppp0
loopback * 255.255.255.0 U 0 0 0 lo
192.168.13.0 gungadin.condon 255.255.255.0 UG 0 0 0 eth0
192.168.13.0 * 255.255.255.0 U 0 0 0 eth0
default [isp DNS server] 0.0.0.0 UG 0 0 0 ppp0
In Harmony's Way and In A Chord,
Tom ;-})
Thomas A. Condon
Barbershop Bass Singer
Left Handed and In My Right Mind
Registered Linux User #154358
Vegetarian, a Native American word for "poor hunter".
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