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Configuring Quality of Service
December 2005
© Foundry Networks, Inc.
13 - 3
Figure 13.1
Determining a Packet’s Trust Level
Packet received on
ingress port
Does the
packet match an
ACL that defines
a priority?
Is the packet
tagged?
Trust the DSCP-
CoS-mapping or
the DSCP-marking
Trust the 802.1p
CoS value
Trust the priority
of the static
MAC entry
Trust the port’s
default priority
Use the default
priority of 0
Does the
MAC address
match a static
entry?
Does the
port have a
default
priority?
Yes
Yes
Yes
Yes
No
No
No
No
Summary of Contents for FastIron Edge Switch X424
Page 36: ...Foundry Configuration Guide for the FESX FSX and FWSX 2 12 Foundry Networks Inc December 2005...
Page 56: ...Foundry Configuration Guide for the FESX FSX and FWSX 3 20 Foundry Networks Inc December 2005...
Page 70: ...Foundry Configuration Guide for the FESX FSX and FWSX 4 14 Foundry Networks Inc December 2005...
Page 198: ...Foundry Configuration Guide for the FESX FSX and FWSX 8 38 Foundry Networks Inc December 2005...
Page 316: ...Foundry Configuration Guide for the FESX FSX and FWSX 12 26 Foundry Networks Inc December 2005...
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Page 458: ...Foundry Configuration Guide for the FESX FSX and FWSX 18 18 Foundry Networks Inc December 2005...
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Page 760: ...Foundry Configuration Guide for the FESX FSX and FWSX A 34 Foundry Networks Inc December 2005...
Page 796: ...Foundry Configuration Guide for the FESX FSX and FWSX C 18 Foundry Networks Inc December 2005...
Page 820: ...Foundry Configuration Guide for the FESX FSX and FWSX E 10 Foundry Networks Inc December 2005...