Alcatel-Lucent 7450 - Page 49

QoS Policies
Quality of Service Guide 49
4 prec ip-prec-
value
Set when an fc-name
exists in the policy.
Otherwise, preserve
from the previous
match.
Set when the priority
parameter is high or
low. Otherwise,
preserve from the
previous match
Each ip-prec-value must be
explicitly defined. Each
packet can only match a single
prec rule.
5 dscp dscp-name Set when an fc-name
exists in the policy.
Otherwise, preserve
from the previous
match.
Set when the priority
parameter is high or
low in the entry.
Otherwise, preserve
from the previous
match.
Each dscp-name that defines
the DSCP value must be
explicitly defined. Each
packet can only match a single
DSCP rule.
6 IP criteria:
Multiple entries
per policy
Multiple criteria
per entry
Set when an fc-name
exists in the entry’s
action. Otherwise,
preserve from the
previous match.
Set when the priority
parameter is high or
low in the entry
action. Otherwise,
preserve from the
previous match.
When IP criteria is specified,
entries are matched based on
ascending order until first
match and then processing
stops. A packet can only
match a single IP criteria
entry.
7 MAC criteria:
Multiple entries
per policy
Multiple criteria
per entry
Set when an fc-name
exists in the entry’s
action. Otherwise,
preserve from the
previous match.
Set when the priority
parameter is specified
as high or low in the
entry action.
Otherwise, preserve
from the previous
match.
When MAC criteria is
specified, entries are matched
based on ascending order until
first match and then
processing stops. A packet
can only match a single MAC
criteria entry.
Table 8: Forwarding Class and Enqueuing Priority Classification Hierarchy Based on Rule Type
# Rule Forwarding Class Enqueuing Priority Comments