RE: linux box as vlan router

"Sunil Parolia" <[email protected]>
Newsgroups gmane.linux.drivers.vlan
Message-ID <0894B3ECA7288442AD36FCFA9C0D9D5E2E1D06@EXCHANGE4> 
Yeah I already done that :(

-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Justin Cormack
Sent: Monday, April 11, 2005 8:26 PM
To: Linux 802.1Q VLAN
Subject: RE: [VLAN] linux box as vlan router

Make sure you do 
echo 1 > /proc/sys/net/ipv4/ip_forward
on the router so it actually routes - it is off by default.

On Mon, 2005-04-11 at 19:01 +0530, Sunil Parolia wrote:
> Hi all,
> 
> I try to emulate vlan setup with this setup
> 
> 
> PC-A -→ on vlan2 eth0-0.0.0.0 & eth0.2-192.168.127.141
> PC-C -→ on vlan3 eth0-0.0.0.0 & eth0.3-192.168.128.141
> 
> PC C acting as vlan router
> 	eth1-0.0.0.0  eth1.2-192.168.127.142  
> 	eth2 -0.0.0.0 eth2.3-192.168.128.142
> 
> VLAN2				eth2	VLAN3 eth3					
> PC A  ---------------------->  PC B ----------------------> PC C
> 
> I was able to ping from a to b and from c to b  but not a->c & c->a. also when I analyzed pkt in ethereal I found no vlan tag att to pkt. 
> 
> I’m dumping the output of route and ifconfig. 
> 
> The routing info  & ifconfig at B is 
> 
> Kernel IP routing table
> Destination     Gateway       Genmask         Flags Metric Ref    Use Iface
> 192.168.128.0   *             255.255.255.0   U     0      0        0 eth2.3
> 192.168.127.0   *             255.255.255.0   U     0      0        0 eth1.2
> 192.168.144.0   *             255.255.254.0   U     0      0        0 eth0
> default       192.168.144.5   0.0.0.0         UG    0      0        0 eth0
> 
> 
> ifconfig-
> 
> 
> 
> eth0      Link encap:Ethernet  HWaddr 00:07:E9:09:D7:79  
>           inet addr:192.168.144.142  Bcast:192.168.145.255  Mask:255.255.254.0
>           inet6 addr: fe80::207:e9ff:fe09:d779/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:68255 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:1599 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000 
>           RX bytes:6391334 (6.0 MiB)  TX bytes:198958 (194.2 KiB)
>           Base address:0xdec0 Memory:fe960000-fe980000 
> 
> eth1      Link encap:Ethernet  HWaddr 00:07:E9:09:D5:63  
>           inet6 addr: fe80::207:e9ff:fe09:d563/64 Scope:Link
>           UP BROADCAST MULTICAST  MTU:1500  Metric:1
>           RX packets:35 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:69 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000 
>           RX bytes:3584 (3.5 KiB)  TX bytes:6034 (5.8 KiB)
>           Base address:0xdf00 Memory:fe9a0000-fe9c0000 
> 
> eth1.2    Link encap:Ethernet  HWaddr 00:07:E9:09:D5:63  
>           inet addr:192.168.127.142  Bcast:192.168.127.255  Mask:255.255.255.0
>           inet6 addr: fe80::207:e9ff:fe09:d563/64 Scope:Link
>           UP BROADCAST MULTICAST  MTU:1500  Metric:1
>           RX packets:35 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:45 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0 
>           RX bytes:2814 (2.7 KiB)  TX bytes:3862 (3.7 KiB)
> 
> eth2      Link encap:Ethernet  HWaddr 00:0D:56:D9:22:24  
>           inet6 addr: fe80::20d:56ff:fed9:2224/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:54 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:60 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000 
>           RX bytes:4016 (3.9 KiB)  TX bytes:4754 (4.6 KiB)
>           Base address:0xdf40 Memory:fe9e0000-fea00000 
> 
> eth2.3    Link encap:Ethernet  HWaddr 00:0D:56:D9:22:24  
>           inet addr:192.168.128.142  Bcast:192.168.128.255  Mask:255.255.255.0
>           inet6 addr: fe80::20d:56ff:fed9:2224/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:28 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:22 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0 
>           RX bytes:1680 (1.6 KiB)  TX bytes:1776 (1.7 KiB)
> 
> 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:1932 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:1932 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0 
>           RX bytes:2546953 (2.4 MiB)  TX bytes:2546953 (2.4 MiB)
> 
>  
> And at a is 
> Kernel IP routing table
> Destination     Gateway     Genmask         Flags Metric Ref    Use Iface
> 192.168.128.0   *           255.255.255.0   U     0      0        0 eth0.2
> 
> And at b is
> Kernel IP routing table
> Destination     Gateway      Genmask         Flags Metric Ref    Use Iface
> 192.168.127.0   *            255.255.255.0   U     0      0        0 eth0.3
> 
> 
> I have devoted 2 days but I'm not able to figure out the problem. What is going wrong?? Please direct me where I’m doing mistake.
> 
> Thanks ☺
> Sunil Parolia
> 
> 
> 
> ________________________________________
> From: [email protected] [mailto:[email protected]] On Behalf Of hareram
> Sent: Monday, April 11, 2005 5:20 PM
> To: [email protected]
> Subject: Re: [VLAN] linux box as vlan router
> 
> Hi
>  
> yes you can do that with out any effort
> if you are newly installing, install selecing all packages
> so its installs automatically.
>  
> vconfig package for adding vlans
>  
> this link may help you
>  
> http://www.planetconnect.com/vlan/
>  
> hare
> ----- Original Message ----- 
> From: Sunil Parolia 
> To: [email protected] 
> Sent: Monday, April 11, 2005 11:08 AM
> Subject: [VLAN] linux box as vlan router
> 
> Hi I'm new to vlan. This q may sound absurd, but just wanted to know can we configure standard linux box as vlan router? If yes can anybody direct to relevant site for configuration? I'm using fedora-3 with kernel version of 2.6.9-1.667
> 
> Thanks & regards,
> Sunil Parolia 
> 
> ________________________________________
> _______________________________________________
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> http://www.lanforge.com/mailman/listinfo/vlan
> 
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