cisco7960路由器配置Voice vlan

cisco7960 P1连接3550 F0/5端口

用IEEE 802.1Qframes标准端口承载语音流量

switch

conf t
mls qos

vlan 2

name access

exit

vlan 3

name voice

exit
interface f0/5

mls qos trust cos

switchport mode access

switchport access vlan 3

switchport voice vlan 2

end

校验

SW2#sh int fast 0/5 switchport

Name: Fa0/5

Switchport: Enabled

Administrative Mode: static access
Operational Mode: static access

Administrative Trunking Encapsulation: negotiate

Operational Trunking Encapsulation: native

Negotiation of Trunking: Off

Access Mode VLAN: 2 (access)

Trunking Native Mode VLAN: 1 (default)

Voice VLAN: 3 (vioce)

Administrative private-vlan host-association: none

Administrative private-vlan mapping: none

Administrative private-vlan trunk native VLAN: none

Administrative private-vlan trunk encapsulation: dot1q

Administrative private-vlan trunk normal VLANs: none

Administrative private-vlan trunk private VLANs: none

Operational private-vlan: none

Trunking VLANs Enabled: ALL

Pruning VLANs Enabled: 2-1001

Capture Mode Disabled

Capture VLANs Allowed: ALL
Protected: false

Unknown unicast blocked: disabled

Unknown multicast blocked: disabled

Appliance trust: none

SW2#sh spanning-tree interface f 0/5 portfast

VLAN0002         enabled

配置VOICE VLAN的802.1P priority-taged frames标准配置端口承载运因流量。

int f 0/5

switchport voice vlan dot1p

校验

SW2#sh int fast 0/5 switchport

Name: Fa0/5

Switchport: Enabled

Administrative Mode: static access

Operational Mode: static access

Administrative Trunking Encapsulation: negotiate

Operational Trunking Encapsulation: native
Negotiation of Trunking: Off

Access Mode VLAN: 2 (access)

Trunking Native Mode VLAN: 1 (default)

Voice VLAN: dot1p

Administrative private-vlan host-association: none

Administrative private-vlan mapping: none

Administrative private-vlan trunk native VLAN: none

Administrative private-vlan trunk encapsulation: dot1q
Administrative private-vlan trunk normal VLANs: none

Administrative private-vlan trunk private VLANs: none

Operational private-vlan: none

Trunking VLANs Enabled: ALL

Pruning VLANs Enabled: 2-1001

Capture Mode Disabled
Capture VLANs Allowed: ALL

Protected: false

Unknown unicast blocked: disabled

Unknown multicast blocked: disabled

Appliance trust: none

配置重写入站数据帧的COS优先级。

int f 0/5

switchport priority extend cos 5    /*默认为3，范围：1～7

 

校验

SW2#sh int fast 0/5 switchport

Name: Fa0/5

Switchport: Enabled

Administrative Mode: static access

Operational Mode: static access

Administrative Trunking Encapsulation: negotiate

Operational Trunking Encapsulation: native

Negotiation of Trunking: Off
Access Mode VLAN: 2 (access)

Trunking Native Mode VLAN: 1 (default)

Voice VLAN: dot1p

Administrative private-vlan host-association: none
Administrative private-vlan mapping: none

Administrative private-vlan trunk native VLAN: none

Administrative private-vlan trunk encapsulation: dot1q

Administrative private-vlan trunk normal VLANs: none
Administrative private-vlan trunk private VLANs: none

Operational private-vlan: none

Trunking VLANs Enabled: ALL

Pruning VLANs Enabled: 2-1001

Capture Mode Disabled
Capture VLANs Allowed: ALL

Protected: false

Unknown unicast blocked: disabled

Unknown multicast blocked: disabled

Appliance trust: 5

在F0/5上做配置信任入站数据帧COS优先级。

int f 0/5

switchport priority extend trust
校验

SW2#sh int fast 0/5 switchport

Name: Fa0/5

Switchport: Enabled
Administrative Mode: static access

Operational Mode: static access

Administrative Trunking Encapsulation: negotiate

Operational Trunking Encapsulation: native

Negotiation of Trunking: Off

Access Mode VLAN: 2 (access)
Trunking Native Mode VLAN: 1 (default)

Voice VLAN: dot1p

Administrative private-vlan host-association: none

Administrative private-vlan mapping: none

Administrative private-vlan trunk native VLAN: none
Administrative private-vlan trunk encapsulation: dot1q

Administrative private-vlan trunk normal VLANs: none

Administrative private-vlan trunk private VLANs: none

Operational private-vlan: none

Trunking VLANs Enabled: ALL

Pruning VLANs Enabled: 2-1001

Capture Mode Disabled

Capture VLANs Allowed: ALL

Protected: false

Unknown unicast blocked: disabled

Unknown multicast blocked: disabled

Appliance trust: trusted