Port Fast

PC나 서버 등과 같이 스위칭을 하지 않는

 종단 장비들의 전송모드 전환을 빠르게 하기 위해 적용.

셋팅

HQ_SE_3F_SW3(config)#spanning-tree portfast

적용 전

06:38:42: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/11, changed state to down

06:38:46: setting bridge id (which=3) prio 32769 prio cfg 32768 sysid 1 (on) id 8001.000d.ed5e.6640

06:38:46: set portid: VLAN0001 Fa0/11: new port id 800B

06:38:46: STP: VLAN0001 Fa0/11 -> listening

06:38:47: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/11, changed state to up

06:39:01: STP: VLAN0001 Fa0/11 -> learning

06:39:16: STP: VLAN0001 Fa0/11 -> forwarding

적용 후

06:36:42: %LINK-3-UPDOWN: Interface FastEthernet0/11, changed state to up

06:36:43: setting bridge id (which=3) prio 32769 prio cfg 32768 sysid 1 (on) id  8001.000d.ed5e.6640

06:36:43: set portid: VLAN0001 Fa0/11: new port id 800B

06:36:43: STP: VLAN0001 Fa0/11 ->jump to forwarding from blocking

06:36:44: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/11, changed state to up