From: Nadeem Ansari (nadeem.ansari574@gmail.com)
Date: Fri Feb 20 2009 - 07:39:13 ARST
"set ip precedence" will mark precedence value only on IPv4 packet
"set precedence" will mark precedence value on both IPv4 and IPv6 packet
Simple :)
Regards
Nadeem
On Fri, Feb 20, 2009 at 10:48 AM, dave dave <funccie@gmail.com> wrote:
> Hi Expert,
>
> I see the difference for setting the precedence for L2 COS marked packet.
> What your view on this?
>
> r1(config-pmap-c)#set ip precedence ?
> <0-7> Precedence value
> critical Set packets with critical precedence (5)
> flash Set packets with flash precedence (3)
> flash-override Set packets with flash override precedence (4)
> immediate Set packets with immediate precedence (2)
> internet Set packets with internetwork control precedence (6)
> network Set packets with network control precedence (7)
> priority Set packets with priority precedence (1)
> routine Set packets with routine precedence (0)
> <cr>
> r1(config-pmap-c)#set pre
> r1(config-pmap-c)#set precedence ?
> <0-7> Precedence value
> cos Set packet precedence from L2 COS
> critical Set packets with critical precedence (5)
> flash Set packets with flash precedence (3)
> flash-override Set packets with flash override precedence (4)
> immediate Set packets with immediate precedence (2)
> internet Set packets with internetwork control precedence (6)
> network Set packets with network control precedence (7)
> priority Set packets with priority precedence (1)
> qos-group Set packet precedence from QoS Group.
> routine Set packets with routine precedence (0)
>
> Regards,
> Dave
>
>
> On Fri, Feb 20, 2009 at 10:22 AM, Tony Schaffran (GS) <
> groupstudy@cconlinelabs.com> wrote:
>
> > Set ip precedence is the old version.
> >
> > Set precedence is the new version created to include ipv6
> >
> >
> > Tony Schaffran
> > Sr. Network Consultant
> > CCIE #11071
> > CCNP, CCNA, CCDA,
> > NNCDS, NNCSS, CNE, MCSE
> >
> > www.cconlinelabs.com
> > Your #1 choice for online Cisco rack rentals.
> >
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> > dave
> > dave
> > Sent: Thursday, February 19, 2009 8:33 PM
> > To: Cisco certification
> > Subject: QoS Difference "set ip precedece" & "set precedence"
> >
> > Hi Expert,
> >
> > What is difference the below two in term of the case/solution?
> >
> > r1(config-pmap-c)#set ?
> > atm-clp Set ATM CLP bit to 1
> > cos Set IEEE 802.1Q/ISL class of service/user priority
> > discard-class Discard behavior identifier
> > * *dscp Set DSCP in IP(v4) and IPv6 packets
> > fr-de Set FR DE bit to 1
> > ip Set IP specific values
> > mpls Set MPLS specific values
> > * precedence Set precedence in IP(v4) and IPv6 packets
> > * qos-group Set QoS Group
> > r1(config-pmap-c)#set ip ?
> > dscp Set IP DSCP (DiffServ CodePointint)
> > *precedence Set IP precedence*
> > r1(config-pmap-c)#set ip
> >
> > Regards,
> > dave
> >
> >
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