Switches: interoperabilidade Extreme Summit x430 com Dell N2048

Spanning-tree Summit x430

 

Potenciais pontos de falha

  1. Modo DUPLEX: convém que os dois lados estejam no modo FULL-DUPLEX.
  2. Portfast: deve ser habilitado somente em portas de acesso pra dispositivos finais.

Configuração Global

show stpd "s0" 

Stpd: s0		Stp: ENABLED		Number of Ports: 28
Rapid Root Failover: Disabled
Operational Mode: 802.1W			Default Binding Mode: 802.1D
802.1Q Tag: (none)
Ports: 1,2,3,4,5,6,7,8,9,10,
       11,12,13,14,15,16,17,18,19,20,
       21,22,23,24,25,26,27,28
Participating Vlans: Default
Auto-bind Vlans: Default
Bridge Priority            : 12288
Operational Bridge Priority: 12288
BridgeID 		   : 30:00:00:04:96:99:74:75
Designated root 	   : 00:00:f8:b1:56:7d:70:57
RootPathCost: 60000 	Root Port     : 24
MaxAge      : 20s	HelloTime     : 2s	ForwardDelay     : 15s
CfgBrMaxAge : 20s 	CfgBrHelloTime: 2s	CfgBrForwardDelay: 15s
Topology Change Time           : 35s		Hold time        : 1s
Topology Change Detected       : FALSE		Topology Change  : FALSE
Number of Topology Changes     : 16
Time Since Last Topology Change: 57s
Topology Change initiated locally on Port 24
Topology Change last received on Port 15 from f8:b1:56:7d:71:99
Backup Root               : Off   	Backup Root Activated  : FALSE

Configuração porta UPLINK(Enlace com N2048)

show stpd "s0" ports 24

Port   Mode   State      Cost  Flags     Priority Port ID Designated Bridge
24     802.1D FORWARDING 20000 eRap-w---- 128      8018    20:00:f8:b1:56:7d:71:97

Total Ports: 1

 ------------------------- Flags: ----------------------------
1:                e=Enable, d=Disable
2: (Port role)    R=Root, D=Designated, A=Alternate, B=Backup, M=Master
3: (Config type)  b=broadcast, p=point-to-point, e=edge, a=auto
4: (Oper. type)   b=broadcast, p=point-to-point, e=edge
5:                p=proposing, a=agree
6: (partner mode) d = 802.1d, w = 802.1w, m = mstp
7:                i = edgeport inconsistency
8:                S = edgeport safe guard active
                  s = edgeport safe guard configured but inactive
8:                G = edgeport safe guard bpdu restrict active in 802.1w and mstp
                  g = edgeport safe guard bpdu restrict active in 802.1d
9:                B = Boundary, I = Internal
10:               r = restricted role, t = active role

Configuração porta de acesso:

show stpd "s0" ports 2

Port   Mode   State      Cost  Flags     Priority Port ID Designated Bridge
2      802.1D FORWARDING 20000 eDappw-g-- 128      8002    30:00:00:04:96:99:74:75

Total Ports: 1

Spanning-tree DELL N2048

Configuração global:

show spanning-tree 

Spanning Tree: Enabled - BPDU Flooding: Disabled - Portfast BPDU Filtering: Disabled
Mode: rstp
CST Regional Root:        20:00:F8:B1:56:7D:71:97
Regional Root Path Cost:  0
ROOT ID
              Priority        0
              Address         F8B1.567D.7057
              Path Cost       40000
              Root Port       Gi1/0/48
              Hello Time: 2s Max Age: 20s Forward Delay: 15s Transmit Hold Count: 6s
              Bridge Max Hops: 20
Bridge ID
              Priority        8192
              Address         F8B1.567D.7197
              Hello Time: 2s Max Age: 20s Forward Delay: 15s

Configuração da porta de Enlace com o Summit x430

show spanning-tree gigabitethernet 1/0/46                              
                                                                                
Port: Gi1/0/46  Enabled                                                         
State: Forwarding                                Role: Designated                 
Port ID: 128.46                                  Port Cost: 0                   
Port Fast: Yes                                   Root Protection: No            
Designated Bridge Priority: 8192                 Address: F8B1.567D.7197        
Designated Port ID: 0.0                          Designated Path Cost: 0        
CST Regional Root: 80:00:F8:B1:56:7D:71:97                                      
Root Guard..................................... False                           
Loop Guard..................................... True                            
TCN Guard...................................... False                           
Auto Portfast.................................. True                            
BPDU Filter Mode............................... Disabled                        
Time Since Counters Last Cleared............... 11d4h38m16s                     
BPDUs: Sent: 0, Received: 0

 

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