I just got my hands on a linksys wireless router-nat-firewall, and added it into my home network. However - Im now having trouble between 2 redhat boxes, a 7.2 laptop, and a 9 desktop.
[jimc@harpo jimc]$ netstat -r
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
192.168.1.0 * 255.255.255.0 U 0 0 0 eth1
192.168.1.0 * 255.255.255.0 U 0 0 0 eth0
192.168.11.0 * 255.255.255.0 U 0 0 0 eth1
127.0.0.0 * 255.0.0.0 U 0 0 0 lo
default linksys 0.0.0.0 UG 0 0 0 eth0
default linksys 0.0.0.0 UG 0 0 0 eth1
[jimc@harpo jimc]$ ping harpo # myself
PING harpo.jimc.earth (192.168.1.92) from 192.168.1.92 : 56(84) bytes of data.
64 bytes from harpo.jimc.earth (192.168.1.92): icmp_seq=0 ttl=64 time=94 usec
64 bytes from harpo.jimc.earth (192.168.1.92): icmp_seq=1 ttl=64 time=80 usec
64 bytes from harpo.jimc.earth (192.168.1.92): icmp_seq=2 ttl=64 time=76 usec
[jimc@harpo jimc]$ ping groucho # the desktop
PING groucho.jimc.earth (192.168.1.91) from 192.168.1.101 : 56(84) bytes of data.
From 192.168.1.101: Destination Host Unreachable
From 192.168.1.101: Destination Host Unreachable
From 192.168.1.101: Destination Host Unreachable
Note how the 2nd ping uses a different source address from the previous (self) ping.
even when I force it to use a source addr, it fails:
[root@harpo root]# ping -I 192.168.1.92 groucho
PING groucho.jimc.earth (192.168.1.91) from 192.168.1.92 : 56(84) bytes of data.
From harpo.jimc.earth (192.168.1.92): Destination Host Unreachable
From harpo.jimc.earth (192.168.1.92): Destination Host Unreachable
192.168.1.92 is a static address assigned to an alias interface:
12: eth1: <BROADCAST,NOTRAILERS,UP> mtu 1500 qdisc pfifo_fast qlen 100 link/ether 00:10:4b:df:00:d8 brd ff:ff:ff:ff:ff:ff inet 192.168.1.101/24 brd 192.168.1.255 scope global eth1 inet 192.168.11.3/24 brd 192.168.11.255 scope global eth1:0 inet 192.168.1.92/24 brd 192.168.1.255 scope global secondary eth1:1
Ive used this alias-interface technique successfully in the past (b4 the wireless router).
But then, the DSL router served up 10.0.0.x addresses, and I assigned 192.168.1.x
addresses, giving different subnets and a clear routing choice. I tried that 1st here,
but it didnt work - hence this 2nd try - and this email when it failed too.
can anyone shed light on this ?
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