Hello ,
Extra info mean IPSEC headers. How can they sent in
2.4.24 kernel? where can i find Packets being using IPSEC headers and
is that require to reduce MTU by AH/ESP header bytes???
Also can you tellme in which condition eth_change_mtu used?
reagards,
Harsh.
On Tue, 25 Jan 2005 09:16:17 +0530, Neema <[EMAIL PROTECTED]> wrote:
> Hi,
>
> What ever u may send,the maximum size of the packet in ethernet
> should be 1514bytes, that includes ethernet header (And also minimum is
> 82bytes).
> I think u are using old libnet version. That function sets the MTU with
> the given value if neither exceeded max and nor minimum.
>
> HTH,
> Neema
>
> Harsh wrote:
>
> >Hello,
> > If some extra information is required to be sent with each
> >packet then does that require to change Ethernet MTU 1500 to
> >1500-(Bytes in extra info) or its ok with 1500 value of MTU? While
> >checking source code of net_init.c in drivers/net dir i found one
> >function eth_change_mtu. I want to know does that helps? why its given
> >there in source code?
> >regards,
> >Harsh.
> >
> >static int eth_change_mtu(struct net_device *dev, int new_mtu)
> > {
> > if ((new_mtu < 68) || (new_mtu > 1500))
> > return -EINVAL;
> > dev->mtu = new_mtu;
> > return 0;
> > }
> >-
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> >
> >
> >
>
> --
>
> Thanks & Regards,
> Neema
>
>
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