goto the diagnotisc-backup/restore and download the config.xml, then
manually modify it and add the following to the <system> section
 <shellcmd>ifconfig vlanid-or-ifid mtu mtu-size</shellcmd>
don't forget to upload the config.xml again
On 6/7/05, Raphael Maunier <raphael at maunier dot net> wrote:
> 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,
> Raphaël
> 
> 
> 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,
> > Raphaël
> >
> > 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.
> >>>
> >>> --
> >>> Raphaël
> >>>
> >>> 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.
> >>>>>
> >>>>> --
> >>>>> Raphaël
> >>>>> 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.
> >>>>>>>
> >>>>>>> --
> >>>>>>> Raphaël Maunier
> >>>>>>>
> >>>>>>> 
---------------------------------------------------------------------
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> >>>>>>>
> >>>>>>
> >>>>>
> >>>>
> >>>>
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