IT Networking

BGP

BGP ※ Peer State ※ State Local Remote IDLE 查Routing Table找neighbor -> CONNECT 完成3-way handshake 完成3-way handshake OPEN SENT BGP OPEN -> OPEN CONFIRM BGP OPEN -> <- BGP CONFIRM ESTABLISHED Peer Peer ACTIVE BGP OPEN -> 無回應 ※ 用Loopback 來做Peer ※ 因Loopback是不會down的, 拿Loopback來做BGP Peer是穩定的 R2(config)#router bgp 65000R2(config-router)#neighbor 1.1.1.1 remote as 65000R2(config-router)#neighbor 1.1.1.1 update-source lo0 …

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Spanning Tree

Spanning Tree 配置 PVST+ switch(config)# spanning-tree mode stp RSTP switch(config)# spanning-tree mode rapid-pvst MSTP switch(config)# spanning-tree mst switch(config)# spanning-tree mst configuration switch(config-mst)# name Region1 switch(config-mst)# revision 1 switch(config-mst)# instance 1 vlan 11-13 switch(config-mst)# instance 2 vlan 21-23 Spanning Tree 選舉 選Root Switch (Switches) Switch選一個Root Port (Switch ports) Link選一個Designated Port (Link ports) RSTP Mode限定: 選Alternate/Backup Port …

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