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---QoS
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�ɤ�ʥ����ס�DSCP�Ȥ�IP Precedence�ˤ�Ȥ�����ʬ�ष��
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��IEEE802.1p��CoS��Class of Service��
��CoS(3bit)�ϥ������ͥåȥإå��˴ޤޤ�ʤ���
��VLAN����(TPID+TCI��TCI�Τۤ�)�˴ޤޤ�롣
��VLAN����(16bit)��Cos��CFI(1bit)��VLAN ID��12bit��
����TCI �� TPID��TCI��4bit
��WRED��Weighted Random Early Detection��
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��RTP�إå����̡�RTP�إå���2byte�˰��̤���
��RTP�إå�(40byte)=RTP(12)+IP(8)+UDP(20)
��LFI��Link Fragmentation and Interleaving��
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��Moduler QoS��
��MQC��Moduler QoS CLI��
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---�Ȥꤢ�������饹�ޥå�
Router2514_B(config)#class-map match-all Test_QoS
Router2514_B(config-cmap)#match ?
access-group Access group
any Any packets
class-map Class map
cos IEEE 802.1Q/ISL class of service/user priority values
destination-address Destination address
discard-class Discard behavior identifier
dscp Match DSCP in IP(v4) and IPv6 packets
fr-de Match on Frame-relay DE bit
fr-dlci Match on fr-dlci
input-interface Select an input interface to match
ip IP specific values
mpls Multi Protocol Label Switching specific values
not Negate this match result
packet Layer 3 Packet length
precedence Match Precedence in IP(v4) and IPv6 packets
protocol Protocol
qos-group Qos-group
source-address Source address
---precedence�ǥޡ����󥰤���Ȥ�
Router2514_B(config-cmap)#match precedence ?
<0-7> Enter up to 4 precedence values separated by white-spaces
critical Match packets with critical precedence (5)
flash Match packets with flash precedence (3)
flash-override Match packets with flash override precedence (4)
immediate Match packets with immediate precedence (2)
internet Match packets with internetwork control precedence (6)
network Match packets with network control precedence (7)
priority Match packets with priority precedence (1)
routine Match packets with routine precedence (0)
---�ݥꥷ�ޥåפǥ��饹�ޥåפ����򤹤��
Router2514_B(config)#policy-map Test_MAP
Router2514_B(config-pmap)#class ?
WORD class-map name
class-default System default class matching otherwise unclassified packets
Router2514_B(config-pmap)#class Test_CLASS
Router2514_B(config-pmap-c)#?
QoS policy-map class configuration commands:
bandwidth Bandwidth
compression Activate Compression
drop Drop all packets
exit Exit from QoS class action configuration mode
no Negate or set default values of a command
police Police
priority Strict Scheduling Priority for this Class
queue-limit Queue Max Threshold for Tail Drop
random-detect Enable Random Early Detection as drop policy
service-policy Configure QoS Service Policy
shape Traffic Shaping
---���󥿥ե������˥ݥꥷ�ޥåפ������Ƥ롣
Router2514_B(config-if)#service-policy ?
history Keep history of QoS metrics
input Assign policy-map to the input of an interface
output Assign policy-map to the output of an interface
Router2514_B(config-if)#service-policy input ?
WORD policy-map name
---��ǧ
Router2514_B#show policy-map interface ethernet 0
Ethernet0
Service-policy input: IP
Class-map: class-default (match-any)
13 packets, 806 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: any
---
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