Re: IP masquerade question

["Henri J. Schlereth" <henris bga com>]

> I have a test Win98 PC with settings:
> IP      192.168.0.100
> Gateway 192.168.0.1
> Netmask 255.255.255.0

Check for broadcast as well on W998. Dont know if they changed 
much from W95

Henri

 
Included are modifications based on my on setup which includes
masquerading and internal IP's



> 
> --------------------------------------------------------------
> /etc/sysconfig/network
> 
> [root /etc/sysconfig]# more network
> NETWORKING=yes
> FORWARD_IPV4="no"

  FORWARD_IPV4="yes"

> HOSTNAME="npisrv1.n-p-i.net"
> DOMAINNAME="n-p-i.net"
> GATEWAY="204.167.104.161"
> GATEWAYDEV="eth0"

the below is un-needed unless you are running some ipx support
(Samba doesnt need this)

> IPX="no"
> IPXINTERNALNETNUM="0"
> IPXINTERNALNODENUM="0"
> IPXAUTOPRIMARY="on"
> IPXAUTOFRAME="on"

optional unless NIS active
> NISDOMAIN=""
> [root /etc/sysconfig]# 
> --------------------------------------------------------------
> /etc/sysconfig/network-scripts/ifcfg-eth0
> 
> [root /etc/sysconfig/network-scripts]# more ifcfg-eth0
> DEVICE="eth0"
> IPADDR="204.167.104.162"
> NETMASK="255.255.255.224"
> ONBOOT="yes"


optional below

> BOOTPROTO="none"
> IPXNETNUM_802_2=""
> IPXPRIMARY_802_2="no"
> IPXACTIVE_802_2="no"
> IPXNETNUM_802_3=""
> IPXPRIMARY_802_3="no"
> IPXACTIVE_802_3="no"
> IPXNETNUM_ETHERII=""
> IPXPRIMARY_ETHERII="no"
> IPXACTIVE_ETHERII="no"
> IPXNETNUM_SNAP=""
> IPXPRIMARY_SNAP="no"
> IPXACTIVE_SNAP="no"
> [root /etc/sysconfig/network-scripts]# 
> 
> --------------------------------------------------------------
> /etc/sysconfig/network-scripts/ifcfg-eth1
> 
> [root /etc/sysconfig/network-scripts]# more ifcfg-eth1
> DEVICE="eth1"
> IPADDR="192.168.0.1"
> NETMASK="255.255.255.0"

You are missing a broadcast address
BROADCAST=192.168.0.255	

> ONBOOT="yes"

optional

> BOOTPROTO="none"
> IPXNETNUM_802_2=""
> IPXPRIMARY_802_2="no"
> IPXACTIVE_802_2="no"
> IPXNETNUM_802_3=""
> IPXPRIMARY_802_3="no"
> IPXACTIVE_802_3="no"
> IPXNETNUM_ETHERII=""
> IPXPRIMARY_ETHERII="no"
> IPXACTIVE_ETHERII="no"
> IPXNETNUM_SNAP=""
> IPXPRIMARY_SNAP="no"
> IPXACTIVE_SNAP="no"
> [root /etc/sysconfig/network-scripts]# 
> --------------------------------------------------------------
> 
> 
> Here is the output of the relevant commands:
> 
> --------------------------------------------------------------
> [root ~]# /sbin/ifconfig
> eth0      Link encap:Ethernet  HWaddr 00:D0:B7:1D:CE:A6  
>           inet addr:204.167.104.162  Bcast:204.167.104.191  Mask:255.255.255.224
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:3555 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:5473 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:100 
>           Interrupt:9 Base address:0xd000 
> 
> eth1      Link encap:Ethernet  HWaddr 00:D0:B7:1D:89:30  
>           inet addr:192.168.0.1  Bcast:192.168.0.255  Mask:255.255.255.0
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:100 
>           Interrupt:5 Base address:0xb800 
> 
> lo        Link encap:Local Loopback  
>           inet addr:127.0.0.1  Mask:255.0.0.0
>           UP LOOPBACK RUNNING  MTU:3924  Metric:1
>           RX packets:4 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0 
> 
> [root ~]# 
> --------------------------------------------------------------
> [root ~]# /sbin/route -n
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
> 192.168.0.1     0.0.0.0         255.255.255.255 UH    0      0        0 eth1
> 204.167.104.162 0.0.0.0         255.255.255.255 UH    0      0        0 eth0
> 204.167.104.160 0.0.0.0         255.255.255.224 U     0      0        0 eth0
> 192.168.0.0     0.0.0.0         255.255.255.0   U     0      0        0 eth1
> 127.0.0.0       0.0.0.0         255.0.0.0       U     0      0        0 lo
> 0.0.0.0         204.167.104.161 0.0.0.0         UG    0      0        0 eth0
> [root ~]# 
> 
> --------------------------------------------------------------
> 
> 
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