[ previous ] [ next ] [ threads ]
 
 From:  "Aaron with Morad" <aaronc at morad dot ab dot ca>
 To:  <m0n0wall at lists dot m0n0 dot ch>
 Subject:  Re: [m0n0wall] Vlan & Mtu problem
 Date:  Mon, 6 Jun 2005 15:34:43 -0600
I am not an expert on configuring using the command lines.  Sorry.  I'm sure 
someone else will be able to go further that I can.

Aaron




----- Original Message ----- 
From: "Raphael Maunier" <raphael at maunier dot net>
To: <m0n0wall at lists dot m0n0 dot ch>
Sent: Monday, June 06, 2005 3:33 PM
Subject: Re: [m0n0wall] Vlan & Mtu problem


> I've tried to download , modified the mtu value and upload the 
> interfaces.inc files but on reboot, the value is back to 1500 ???
> I changed the mtu value of the vlan interface "ifconfig vlan2 mtu 1400", 
> and no more pb.
> Is it possible to change the default MTU value of a vlan on Mono ?
>
> Regards,

>
>
> Raphael Maunier wrote:
>
>> How can I setup the MTU to 1400 on specified interface on boot ?
>> Will it work if I modify the MTU value to 1400 in file 
>> etc/inc/interfaces.inc
>>
>> function interfaces_vlan_configure() {
>> [...]
>> if (in_array($drvname, $vlan_native_supp))
>>                 $cmd .= " link0";
>>             else if (in_array($drvname, $vlan_long_supp))
>>                 $cmd .= " mtu 1500";
>> [...]
>>
>> Thanks,

>>
>> Aaron with Morad wrote:
>>
>>> That would be a great feature.  It's nice to be able to see everything 
>>> organized in the GUI.
>>>
>>> Aaron
>>>
>>>
>>>
>>> ----- Original Message ----- From: "Raphael Maunier" 
>>> <raphael at maunier dot net>
>>> To: "Aaron with Morad" <aaronc at morad dot ab dot ca>; <m0n0wall at lists dot m0n0 dot ch>
>>> Sent: Monday, June 06, 2005 9:31 AM
>>> Subject: Re: [m0n0wall] Vlan & Mtu problem
>>>
>>>
>>>> So I will ask for a new feature :)
>>>> To be able to modify the mtu value on all physical interface. I mean on 
>>>> the GUI.
>>>> At the moment I have to use the exec.php to modify it.
>>>>
>>>> -- 

>>>>
>>>> Aaron with Morad wrote:
>>>>
>>>>> That was it.
>>>>>
>>>>>
>>>>> Aaron
>>>>>
>>>>>
>>>>> ----- Original Message ----- From: "Raphael Maunier" 
>>>>> <raphael at maunier dot net>
>>>>> To: "Aaron with Morad" <aaronc at morad dot ab dot ca>; <m0n0wall at lists dot m0n0 dot ch>
>>>>> Sent: Monday, June 06, 2005 7:51 AM
>>>>> Subject: Re: [m0n0wall] Vlan & Mtu problem
>>>>>
>>>>>
>>>>>> Thanks Aaron,
>>>>>>
>>>>>> Where did you changed the mtu configuration on Monowall. The only MTU 
>>>>>> you can modify is on the Wan interface.
>>>>>>
>>>>>> -- 

>>>>>> Aaron with Morad wrote:
>>>>>>
>>>>>>> I had this same problem when I started using 802.1Q tagging.  It 
>>>>>>> appears that different NICs can packetize the data differently - 
>>>>>>> smaller packets, regardless of the MTU set.  After allowing for the 
>>>>>>> extra overhead of the 802.1Q tags, and a little more, I have been 
>>>>>>> using 1400 in the m0n0wall (no change in the PC's) for a few weeks 
>>>>>>> now and have not had any problems.
>>>>>>>
>>>>>>> Aaron
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> ----- Original Message ----- From: "Raphael Maunier" 
>>>>>>> <raphael at maunier dot net>
>>>>>>> To: <m0n0wall at lists dot m0n0 dot ch>
>>>>>>> Sent: Monday, June 06, 2005 4:07 AM
>>>>>>> Subject: [m0n0wall] Vlan & Mtu problem
>>>>>>>
>>>>>>>
>>>>>>>> Hi all,
>>>>>>>>
>>>>>>>> I have some pb with Vlan and Monowall.
>>>>>>>>
>>>>>>>> Here is my configuration:
>>>>>>>>
>>>>>>>> Monowall with 3 lan interfaces using 1.2b8
>>>>>>>> - Public
>>>>>>>> - Customers
>>>>>>>> - Backup server
>>>>>>>>
>>>>>>>> All interfaces are connected on a cisco switch.
>>>>>>>> All customers have to be on different subnet and don't have to see 
>>>>>>>> each other.
>>>>>>>> I use 802.1Q on customers interface.
>>>>>>>> Ip configuration is /27 for all Vlan interfaces
>>>>>>>> All Servers are Win2K3.
>>>>>>>>
>>>>>>>> Customers have to connect using PPTP (@home) and Ipsec (@work).
>>>>>>>>
>>>>>>>> Config ot the trunk
>>>>>>>>
>>>>>>>> sh run interface fastEthernet 0/47
>>>>>>>> Building configuration...
>>>>>>>>
>>>>>>>> Current configuration:
>>>>>>>> !
>>>>>>>> interface FastEthernet0/47
>>>>>>>>  description Customers 802.1Q Trunk
>>>>>>>>  switchport trunk encapsulation dot1q
>>>>>>>>  switchport mode trunk
>>>>>>>>  spanning-tree portfast
>>>>>>>> end
>>>>>>>>
>>>>>>>> sh int status | i Fa0/47
>>>>>>>> Fa0/47  Customers 802.1Q T connected    trunk    A-Full   A-100 
>>>>>>>> 100BaseTX/FX
>>>>>>>>
>>>>>>>>
>>>>>>>> For the test, all rules are "accept" between all interfaces. I have 
>>>>>>>> 2 W2K3 on 2 differents interfaces.
>>>>>>>> Both servers are able to ping each other. But when I try do use rdp 
>>>>>>>> from one interface to another, it doesn't work, even if I use 
>>>>>>>> "Allow fragmented packets". I also tried with PPTP.
>>>>>>>>
>>>>>>>> I finally sorted out using an MTU of 1468 on the win2K3 srv.
>>>>>>>> I thought that is was the end but into the Ipsec tunnel unable to 
>>>>>>>> use rdp.
>>>>>>>> I changed the MTU from 1468 to 1400 and it's seems to work this 
>>>>>>>> way.
>>>>>>>>
>>>>>>>> The problem seems to be located only on Giga Intel card. I tried 
>>>>>>>> with an Via ethernet card and no problem...
>>>>>>>>
>>>>>>>> FYI, I also test this configuration without vlan and only physical 
>>>>>>>> interface with default MTU value and all is ok.
>>>>>>>>
>>>>>>>> How can I be sure that the 1400 value for the Mtu will be the good 
>>>>>>>> one ?
>>>>>>>>
>>>>>>>> Thanks.
>>>>>>>>
>>>>>>>> -- 

>>>>>>>>
>>>>>>>> ---------------------------------------------------------------------
>>>>>>>>
>>>>>>>> To unsubscribe, e-mail: m0n0wall dash unsubscribe at lists dot m0n0 dot ch
>>>>>>>> For additional commands, e-mail: m0n0wall dash help at lists dot m0n0 dot ch
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> ---------------------------------------------------------------------
>>>>> To unsubscribe, e-mail: m0n0wall dash unsubscribe at lists dot m0n0 dot ch
>>>>> For additional commands, e-mail: m0n0wall dash help at lists dot m0n0 dot ch
>>>>>
>>>>
>>>>
>>>> ---------------------------------------------------------------------
>>>> To unsubscribe, e-mail: m0n0wall dash unsubscribe at lists dot m0n0 dot ch
>>>> For additional commands, e-mail: m0n0wall dash help at lists dot m0n0 dot ch
>>>>
>>>
>>>
>>> ---------------------------------------------------------------------
>>> To unsubscribe, e-mail: m0n0wall dash unsubscribe at lists dot m0n0 dot ch
>>> For additional commands, e-mail: m0n0wall dash help at lists dot m0n0 dot ch
>>>
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: m0n0wall dash unsubscribe at lists dot m0n0 dot ch
>> For additional commands, e-mail: m0n0wall dash help at lists dot m0n0 dot ch
>>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: m0n0wall dash unsubscribe at lists dot m0n0 dot ch
> For additional commands, e-mail: m0n0wall dash help at lists dot m0n0 dot ch
>