iptables -A POSTROUTING -t mangle -p udp -m udp --sport 10000:20000 -j DSCP --set-dscp 0x2e
Works like a champ!
> 1. RE: Setting QOS settings in asterisk and/or CentOS?
> (Redouane Doumer)
> De : BerkHolz, Steven [mailto:[EMAIL PROTECTED]
> Envoyé : jeudi 21 septembre 2006 15:33
> À : asterisk-users@lists.digium.com
> Objet : [asterisk-users] Setting QOS settings in asterisk and/or CentOS?
>
>
> How would I go about setting the TOS bit to "RTP IP TOS Byte: 18 (hex)" for SIP and IAX traffic at the asterisk server?
>
> Also,
> Do you have a quick reference on how to configure a Cisco switch to prioritize SIP traffic?
> I check in various Cisco docs, and there are so many references, and none of them seem to relate directly to using the TOS bit for QOS.
>
> I am looking into using the TOS bit because that is the only method that my SIP devices use. (Citel Handset Gateway)
>
> ref:
> QOS settings from Citel Handset Gateway:
> Handset Gateway - QoS Configuration
>
> IP Type of Service
> RTP IP TOS Byte: 18 (hex)
>
> Silence Suppression
> Mute Mode: On, UDP keep-alive every 10 seconds
> G.711 Voice Activity Detection: Off
>
> Codec Preferences
> G.711u: 1 (Highest priority)
> G.711a: 2
>
>
>
> Thank You,
>
> Steven BerkHolz
> - MCSA - MCSE -
> Manager of Information Systems
> TESCO Group Companies
> Fax. 248-836-5101
> www.TESCOGroup.com
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