CCNP - STP Features UplinkFast
Lab 45 STP Features UplinkFast
Lab kali ini hampir sama dengan lab portfast namun bedanya stp portfast hanya boleh dikonfigurasikan di port yang mengarah ke end device ( Laptop, PC, Dll... ). Karena portfast ini tidak bisa di barengi dengan trunk, namun jika kita menggunakan Uplinkfast kita bisa memberi trunk dan uplinkfast secara bersamaan
Kita buat vlan dan trunk terlebih dahulu di IOU-1&2
IOU1(config)#vlan 12
IOU1(config-vlan)#name Bebas
IOU1(config-vlan)#interface vlan 12
IOU1(config-if)#ip address 12.12.12.1 255.255.255.0
IOU1(config-if)#no shutdown
IOU1(config)#int e0/0
IOU1(config-if)#switchport trunk encapsulation dot1
IOU1(config-if)#switchport trunk encapsulation dot1q
IOU1(config-if)#switchport mode trunk
IOU1(config)#int e0/1
IOU1(config-if)#switchport trunk encapsulation dot1q
IOU1(config-if)#switchport mode trunk
IOU2#conf t
IOU2(config)#vlan 12
IOU2(config-vlan)#name Bebas
IOU2(config-vlan)#interface vlan 12
IOU2(config-if)#ip address 12.12.12.2 255.255.255.0
IOU2(config-if)#no shutdown
IOU2(config-if)#int e0/0
IOU2(config-if)#switchport trunk encapsulation dot1q
IOU2(config-if)#switchport mode trunk
IOU2(config-if)#int e0/1
IOU2(config-if)#switchport trunk encapsulation dot1q
IOU2(config-if)#switchport mode trunk
IOU2(config-if)#end
Kita cek sebelum kita buat uplinkfast
IOU2#sh spanning-tree vlan 12
VLAN0012
Spanning tree enabled protocol ieee
Root ID Priority 32780
Address aabb.cc00.0100
Cost 100
Port 1 (Ethernet0/0)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32780 (priority 32768 sys-id-ext 12)
Address aabb.cc00.0200
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 300 sec
Interface Role Sts Cost Prio.Nbr Type
------------------- ---- --- --------- -------- --------------------------------
Et0/0 Root FWD 100 128.1 Shr
Et0/1 Altn BLK 100 128.2 Shr
kita coba ping
IOU2(config)#do ping 12.12.12.1 re 10000
Type escape sequence to abort.
Sending 10000, 100-byte ICMP Echos to 12.12.12.1, timeout is 2 seconds:
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Success rate is 99 percent (9976/10000), round-trip min/avg/max =
1/4/4294967295 ms
Setelah itu baru kita buat uplinkfast-nya dan kita cek
SW1#debug spanning-tree uplinkfast
Spanning Tree uplinkfast debugging is on |
SW1#conf t
SW1(config)#interface e0/0
SW1(config-if)#shutdown
*Feb 1 15:44:52.837: STP FAST: UPLINKFAST: make_forwarding on
VLAN0001 Ethernet0/1 root port id new: 128.2 prev: 128.1
*Feb 1 15:44:52.837: %SPANTREE_FAST-7-PORT_FWD_UPLINK: VLAN0001
Ethernet0/1 moved to Forwarding (UplinkFast)
Behasil deh... :)
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