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The time now is 28.03.2024 - 16:50


Skype - QOS

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rado3105
Post subject: Skype - QOS  PostPosted: 27.09.2010 - 21:15 #85187
Majster


Joined: Júl 11, 2008
Posts: 2311

Teraz som nasiel zaujimavy sposob ako markovat skype komunikaciu. Zdroj:
http://forum.mikrotik.com/viewtopic.php?f=9&t=45209

Zaujimalo by ma ako upravit ten skript aby to fungovalo len na jednu verejnu ip: 213.x.x.x. A pre ake verzie ros to je urcene, ci len pre 4? alebo aj starsie.
 
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rado3105
Post subject: RE: Skype - QOS  PostPosted: 28.09.2010 - 10:22 #85204
Majster


Joined: Júl 11, 2008
Posts: 2311

Takto som si to upravil aby to fungovalo mne:
Toto pridat do terminalu:
Code: › /ip firewall layer7-protocol add name=skypenack regexp="[\\\\|\\xd5]"

l7 na rozpoznanie nack packetu, treba dat prve cislo vasej verejnej ip, tento algoritmus funguje na verejne ip zacinajuce 213.x.x.x a 92.x.x.x.

Toto pridat do firewall/mangle:

1.
Code: › chain=forward action=add-src-to-address-list protocol=udp
     address-list=skype address-list-timeout=1h layer7-protocol=skypenack
     packet-size=39

toto pravidlo zachytava NACK packet, ktory skype pouziva na naviazanie komunikacie, na zaklade toho medzi akymi ip adresami v internete prebehne vymena tohto packetu, tieto ip adresy hodi do address listu a oznaci ich ako skype(tie tam ostavaju hodinu a potom sa vymazu).

2.
Code: › chain=prerouting action=mark-connection
     new-connection-mark=conn_skype_in passthrough=yes protocol=udp
     src-address-list=skype connection-rate=0-50k


Code: › chain=prerouting action=mark-packet new-packet-mark=skype_in
     passthrough=no connection-mark=conn_skype_in


Code: › chain=postrouting action=mark-connection
     new-connection-mark=conn_skype_out passthrough=yes protocol=udp
     dst-address-list=skype connection-rate=0-50k


Code: ›  chain=postrouting action=mark-packet new-packet-mark=skype_out
     passthrough=no connection-mark=conn_skype_out

tieto pravidla oznacia spojenie a pakety a nasledne sa vyuziju v queue tree, cim velkost paketu 50k vyradi zo znacenia posielanie suborov cez skype
3. queue tree:

Code: › name="voip_in" parent=IN packet-mark=skype_in limit-at=256k
     queue=pcq-download priority=2 max-limit=2M burst-limit=0
     burst-threshold=0 burst-time=0s

Code: › name="voip_out" parent=OUT packet-mark=skype_out limit-at=256k
     queue=pcq-upload priority=2 max-limit=2M burst-limit=0 burst-threshold=0
     burst-time=0s


Testujem na ros 4.10, zatial vyzera ze funguje velmi dobre. Neodchytava inu komunikaciu(ako skype l7 - ktory odchytaval torenty a ftp).

Tu je konverter HEX-DEC: http://www.parkenet.com/apl/HexDecConverter.html ale nechapem presne ako sa to hadze do l7(ako vytvorit l7 pravidlo na zaklade prveho cisla mojej verejnej ip).


Last edited by rado3105 on 28.09.2010 - 12:02; edited 1 time in total
 
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zelmar
Post subject: RE: Skype - QOS  PostPosted: 28.09.2010 - 11:52 #85207
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Joined: Okt 23, 2005
Posts: 1031
Location: /etc/bin/ladin
Nechapem co na tom nechapes? Ved to tam je vysvetlene ako keby to bolo pisane pre ewewa kua.
 
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edusko
Post subject: RE: Skype - QOS  PostPosted: 28.09.2010 - 12:42 #85211
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Joined: Aug 14, 2008
Posts: 1149

nechapem na co niekdo chce znackovat skype?
 
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rado3105
Post subject: RE: Skype - QOS  PostPosted: 28.09.2010 - 12:52 #85212
Majster


Joined: Júl 11, 2008
Posts: 2311

Prioritizacia, ci myslis ze to je taky dokonaly protokol a nepotrebuje to? Alebo celkovo odpisujes QOS?
 
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kotol
Post subject: RE: Skype - QOS  PostPosted: 28.09.2010 - 17:24 #85215
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Joined: Júl 14, 2005
Posts: 1590

ja qos neriesim.. skor riesim siet ked je niekde uzke hdrlo musi sa to vyriesit...

najlepsie QOS je ping od uzivatela do sixu za 1ms Wink
 
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eXplorer
Post subject: RE: Skype - QOS  PostPosted: 28.09.2010 - 19:28 #85216
Majster


Joined: Feb 25, 2003
Posts: 2606
Location: BA,BB
kotol wrote: ›najlepsie QOS je ping od uzivatela do sixu za 1ms Wink


no yo, vlastne vlakna (alebo prenajate nenasvietene) do SIXu maju svoje caro Very Happy
 
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