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angboontiong
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Jumbo frame support...

Thu Jan 19, 2012 12:55 pm

Is anyone got idea, how we can setup the jumbo frame in the RouterOS?
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janisk
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Re: Jumbo frame support...

Thu Jan 19, 2012 1:06 pm

get rb1100AHx2 and set MTUover 9000, seriously.
just note that you need to have supporting hardware elsewhere to use jumbo frames.
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angboontiong
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Re: Jumbo frame support...

2012年1月20日,星期五晚上12点

get rb1100AHx2 and set MTUover 9000, seriously.
just note that you need to have supporting hardware elsewhere to use jumbo frames.

Hi Janisk...
you mean we set the value on the ethx > general > mtu?
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mrz
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Re: Jumbo frame support...

Fri Jan 20, 2012 6:14 pm

Yes..
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angboontiong
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Re: Jumbo frame support...

坐2012年1月21日3:01

Yes..
hi, appreciated it.
got a question that, if i ping from the windows command prompt.

if i issue the following command...
ping 192.168.88.1 -t -l 5000, does it mean i am pinging with 5000 size of packet?

if not, how we going to check the packet size flow to the routerboard?

thanks
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rodolfo
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Re: Jumbo frame support...

Sat Jan 21, 2012 2:38 pm

use also -f switch to do not fragment packets
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blake
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Re: Jumbo frame support...

Sun Jan 22, 2012 12:05 am

Yes..
if i issue the following command...
ping 192.168.88.1 -t -l 5000, does it mean i am pinging with 5000 size of packet?
It means you are pinging with 5000 bytes of just ICMP payload. Add 8 bytes for the ICMP header, and 20 bytes for the IP header and that'll put you at 5028 bytes. This value of 5028 should not exceed the MTU value set on the router otherwise the packet will not pass.

ping -t -l 5000 -f 192.168.88.1
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