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Bridge Domain Junos (MX series)
07.02 2024 | by massimilianoUn Bridge Domain è un set di porte che condividono lo stesso dominio di broadcast anche definito come Virtual-LAN (VLAN); […]
Un Bridge Domain è un set di porte che condividono lo stesso dominio di broadcast anche definito come Virtual-LAN (VLAN); tutte le porte del BD partecipano allo stesso processo di Learning, Forwarding and Flooding.
root@vMX1> show configuration bridge-domains VLAN-100 | display set
set bridge-domains VLAN-100 vlan-id 100
root@vMX1> show configuration interfaces ge-0/0/5 | display set
set interfaces ge-0/0/5 unit 0 family bridge interface-mode access
set interfaces ge-0/0/5 unit 0 family bridge vlan-id 100
root@vMX1> show configuration interfaces ge-0/0/6 | display set
set interfaces ge-0/0/6 unit 0 family bridge interface-mode access
set interfaces ge-0/0/6 unit 0 family bridge vlan-id 100
root@vMX1> show bridge mac-table
MAC flags (S -static MAC, D -dynamic MAC, L -locally learned, C -Control MAC
O -OVSDB MAC, SE -Statistics enabled, NM -Non configured MAC, R -Remote PE MAC, P -Pinned MAC)
Routing instance : default-switch
Bridging domain : VLAN-100, VLAN : 100
MAC MAC Logical NH MAC active
address flags interface Index property source
00:50:79:66:68:05 D ge-0/0/5.0
00:50:79:66:68:06 D ge-0/0/6.0
root@vMX1> show configuration bridge-domains | display set
set bridge-domains VLAN-100 domain-type bridge
set bridge-domains VLAN-100 interface ge-0/0/5.0
set bridge-domains VLAN-100 interface ge-0/0/6.0
root@vMX1> show configuration interfaces ge-0/0/5 | display set
set interfaces ge-0/0/5 encapsulation ethernet-bridge
set interfaces ge-0/0/5 unit 0
root@vMX1> show configuration interfaces ge-0/0/6 | display set
set interfaces ge-0/0/6 encapsulation ethernet-bridge
set interfaces ge-0/0/6 unit 0
Anche con questa configurazione abbiamo incluso due interfacce insieme al bridge domain; lo switch tratta queste interfacce sempre come access port e semplicemente trasmette frames tra loro.