Troubleshooting a setup involving three 3650 48 port 10/100 PoE switches with GBit uplinks to each other. PC linked off the Polycom phones which are linked off the switches. Goes like this:
Switch --> Phone --> PC (daisychain style)
PBX is locally hosted.
Call quality is poor when paging internally and when receiving calls from the provider over a dedicated T1 link. It looks as if the person that configured these switches made each port a trunk port so that the phones and computers can transmit over the shared wire. Makes sense. I'm not sure of the QoS settings however because it doesn't appear that there are any. I'm looking for some advice on what QoS would be in this scenario and how to implement that on the switchports. Any tech-doc references would be helpful as well. I'm having trouble finding a concise document from Cisco that explains leading practices for this. We have ~70 users and phones in this layout. Network tests also show that we are consistently experiencing 5% packet loss to the phones when we do a "mini-stress test" PCs are working fine and experience no problems. Here is the config:
Thanks for your help!
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No configuration change since last restart ! version 12.2 no service pad service timestamps debug datetime msec localtime service timestamps log datetime msec localtime service password-encryption ! hostname Comp_Room_SW1 ! enable secret blah blah ! no aaa new-model clock timezone est -5 clock summer-time edt recurring ip subnet-zero ! ! ! ! ! ! no file verify auto spanning-tree mode pvst spanning-tree extend system-id ! vlan internal allocation policy ascending ! interface FastEthernet0/1 description Ethernet to PBX Vlan 2 switchport access vlan 2 switchport mode access load-interval 30 speed 100 duplex full spanning-tree portfast ! interface FastEthernet0/2 description To the T1 Vlan 2 switchport access vlan 2 switchport mode access spanning-tree portfast ! interface FastEthernet0/3 description Available switchport access vlan 2 switchport mode access spanning-tree portfast ! interface FastEthernet0/4 description To inside port of Firewall vlan 1 spanning-tree portfast ! interface FastEthernet0/5 description WAP4 Access Point switchport trunk encapsulation dot1q spanning-tree portfast ! interface FastEthernet0/6 description Video Recorder spanning-tree portfast ! interface FastEthernet0/7 description Fax Server spanning-tree portfast ! interface FastEthernet0/8 spanning-tree portfast ! interface FastEthernet0/9 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/10 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/11 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/12 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/13 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/14 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/15 switchport trunk encapsulation dot1q switchport mode trunk speed 100 duplex full spanning-tree portfast ! interface FastEthernet0/16 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/17 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/18 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/19 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/20 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/21 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/22 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/23 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/24 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/25 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/26 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/27 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/28 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/29 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/30 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/31 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/32 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/33 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/34 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/35 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/36 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/37 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/38 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/39 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/40 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/41 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/42 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/43 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/44 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/45 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/46 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/47 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface FastEthernet0/48 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast ! interface GigabitEthernet0/1 description Gig Uplink to Comp_Room_Sw2 switchport trunk encapsulation dot1q switchport mode trunk speed 1000 duplex full ! interface GigabitEthernet0/2 description Gig Uplink Trunk to Service Switch switchport trunk encapsulation dot1q switchport mode trunk speed 1000 duplex full ! interface GigabitEthernet0/3 description Gig port to GIG server Switch switchport mode access ! interface GigabitEthernet0/4 description Backup gig Trunk Port switchport trunk encapsulation dot1q switchport mode trunk ! interface Vlan1 description Data Vlan 1 ip address 10.10.10.254 255.0.0.0 ! ip default-gateway 10.10.10.20 ip classless no ip http server no ip http secure-server !