ip forward

[Adel ESSAFI]

I have a a single network card. I know someone whoi have done this with only
a single card.




2009/12/16 Scott Moseman <smoseman at novolink.net>

>  Don’t you need to have your 2nd interface be physical, not an alias?
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> *From:* redhat-sysadmin-list-bounces at redhat.com [mailto:
> redhat-sysadmin-list-bounces at redhat.com] *On Behalf Of *Adel ESSAFI
> *Sent:* Wednesday, December 16, 2009 8:46 AM
> *To:* redhat-sysadmin-list at redhat.com
> *Subject:* ip forward
>
>
>
>
> Hi list
> In my school, I need to have a PC that act like router since I have not
> public addresses.
>
> I have followed many link (
> http://www.ducea.com/2006/08/01/how-to-enable-ip-forwarding-in-linux/, the
> doc of fedora ....).
> All tell the same thing.
>
> Unfortunally, When I follow them, I have no results! When I ping  an
> adsress from a windows PC (192.168.10.7) I have no response.
>
> here is my configuration.
>
> Can you help plz
>
> Regards
> ps: I am on fedora 10 and iptables is disabled.
>
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> [root localhost ~]# ifconfig
> eth0      Link encap:Ethernet  HWaddr 00:18:8B:DB:7E:9E
>           inet addr:41.229.61.107  Bcast:41.229.61.255  Mask:255.255.255.0
>           inet6 addr: fe80::218:8bff:fedb:7e9e/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:3183 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:3256 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:872353 (851.9 KiB)  TX bytes:476139 (464.9 KiB)
>           Interrupt:17
>
> eth0:1    Link encap:Ethernet  HWaddr 00:18:8B:DB:7E:9E
>           inet addr:192.168.10.10  Bcast:192.168.10.255  Mask:255.255.255.0
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           Interrupt:17
>
> 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:16623 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:16623 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:495159 (483.5 KiB)  TX bytes:495159 (483.5 KiB)
>
> [root localhost ~]# route
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use
> Iface
> 41.229.61.0     *               255.255.255.0   U     0      0        0
> eth0
> 192.168.10.0    *               255.255.255.0   U     0      0        0
> eth0
> link-local      *               255.255.0.0     U     1002   0        0
> eth0
> default         41.229.61.65    0.0.0.0         UG    0      0        0
> eth0
> [root localhost ~]# iptables
> iptables v1.4.3.2: no command specified
> Try `iptables -h' or 'iptables --help' for more information.
> [root localhost ~]# cat /etc/sysctl.conf
> # Kernel sysctl configuration file for Red Hat Linux
> #
> # For binary values, 0 is disabled, 1 is enabled.  See sysctl(8) and
> # sysctl.conf(5) for more details.
>
> # Controls IP packet forwarding
> net.ipv4.ip_forward = 1
>
> # Controls source route verification
> net.ipv4.conf.default.rp_filter = 1
>
> # Do not accept source routing
> net.ipv4.conf.default.accept_source_route = 0
>
> # Controls the System Request debugging functionality of the kernel
> kernel.sysrq = 0
>
> # Controls whether core dumps will append the PID to the core filename.
> # Useful for debugging multi-threaded applications.
> kernel.core_uses_pid = 1
>
> # Added by Cinelerra RPM from RPM Fusion
> kernel.shmmax = 0x7fffffff
>
>
>
>
>
> --
> http://ilovefedora.blogspot.com/
> --
> http://ilovefedora.blogspot.com/
>
> --
>
> PhD candidate in Computer Science
> Address
> BP 108, Bureau de poste Tunis republique
> 1001 Tunis
> Tunisia
> tel: +216 97 246 706
> fax: +216 71 391 166
>
> --
> redhat-sysadmin-list mailing list
> redhat-sysadmin-list at redhat.com
> https://www.redhat.com/mailman/listinfo/redhat-sysadmin-list
>



-- 
http://ilovefedora.blogspot.com/

-- 

PhD candidate in Computer Science
Address
BP 108, Bureau de poste Tunis republique
1001 Tunis
Tunisia
tel: +216 97 246 706
fax: +216 71 391 166
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