Hallo Heiko,

Am Sonntag, 4. Dezember 2011, 13:31:02 schrieb Heiko Schlittermann:
> Bist Du Dir sicher, daß die Dinger schon vor dem „enslaven“ in das
> Bond-Interface die selbe MAC haben?

Inzwischen: JA
(Früher hatte mir jemand erklärt: Das geht nicht, jedes Netzwerk-Interface hat
eine eigene MAC)
Das sieht so aus: lspci -v

02:00.0 Ethernet controller: Intel Corporation 82571EB Gigabit Ethernet 
Controller (rev 06)
        Subsystem: Intel Corporation PRO/1000 PT Dual Port Server Adapter
        Flags: bus master, fast devsel, latency 0, IRQ 66
        Memory at ce240000 (32-bit, non-prefetchable) [size=128K]
        Memory at ce220000 (32-bit, non-prefetchable) [size=128K]
        I/O ports at 3000 [size=32]
        [virtual] Expansion ROM at c0100000 [disabled] [size=128K]
        Capabilities: [c8] Power Management version 2
        Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Capabilities: [e0] Express Endpoint, MSI 00
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [140] Device Serial Number 00-15-17-ff-ff-dd-de-22
        Kernel driver in use: e1000e

02:00.1 Ethernet controller: Intel Corporation 82571EB Gigabit Ethernet 
Controller (rev 06)
        Subsystem: Intel Corporation PRO/1000 PT Dual Port Server Adapter
        Flags: bus master, fast devsel, latency 0, IRQ 84
        Memory at ce2a0000 (32-bit, non-prefetchable) [size=128K]
        Memory at ce280000 (32-bit, non-prefetchable) [size=128K]
        I/O ports at 3020 [size=32]
        [virtual] Expansion ROM at c0120000 [disabled] [size=128K]
        Capabilities: [c8] Power Management version 2
        Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Capabilities: [e0] Express Endpoint, MSI 00
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [140] Device Serial Number 00-15-17-ff-ff-dd-de-22
        Kernel driver in use: e1000e


08:00.0 Ethernet controller: Intel Corporation 82575EB Gigabit Network 
Connection (rev 02)
        Subsystem: Fujitsu Technology Solutions Device 1128
        Flags: bus master, fast devsel, latency 0, IRQ 16
        Memory at ce360000 (32-bit, non-prefetchable) [size=128K]
        Memory at ce340000 (32-bit, non-prefetchable) [size=128K]
        I/O ports at 4000 [size=32]
        Memory at ce300000 (32-bit, non-prefetchable) [size=16K]
        [virtual] Expansion ROM at c0200000 [disabled] [size=128K]
        Capabilities: [40] Power Management version 2
        Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
        Capabilities: [60] MSI-X: Enable+ Count=10 Masked-
        Capabilities: [a0] Express Endpoint, MSI 00
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [140] Device Serial Number 00-19-99-ff-ff-82-f4-a2
        Kernel driver in use: igb

08:00.1 Ethernet controller: Intel Corporation 82575EB Gigabit Network 
Connection (rev 02)
        Subsystem: Fujitsu Technology Solutions Device 1128
        Flags: bus master, fast devsel, latency 0, IRQ 17
        Memory at ce3c0000 (32-bit, non-prefetchable) [size=128K]
        Memory at ce3a0000 (32-bit, non-prefetchable) [size=128K]
        I/O ports at 4020 [size=32]
        Memory at ce304000 (32-bit, non-prefetchable) [size=16K]
        [virtual] Expansion ROM at c0220000 [disabled] [size=128K]
        Capabilities: [40] Power Management version 2
        Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
        Capabilities: [60] MSI-X: Enable+ Count=10 Masked-
        Capabilities: [a0] Express Endpoint, MSI 00
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [140] Device Serial Number 00-19-99-ff-ff-82-f4-a2
        Kernel driver in use: igb

Die Karte 02:00:X ist die Steckkarte mit eth0 und eth1, die Karte 08:00:X
ist OnBoard mit eth2 und eth3. Jetzt ist eth2 nicht mit enslaved. Dennoch
steht dieselbe "serial number" drin.
Aktiviere ich die Karte eth2 mit einer beliebigen IP:

eth2      Link encap:Ethernet  Hardware Adresse 00:19:99:82:F4:A2               
                                                                                
                                          
          inet Adresse:192.168.200.10  Bcast:192.168.200.255  
Maske:255.255.255.0                                                             
                                                            
          inet6 Adresse: fe80::219:99ff:fe82:f4a2/64 
Gültigkeitsbereich:Verbindung                                                   
                                                                     
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1                    
                                                                                
                                          
          RX packets:11 errors:0 dropped:9 overruns:0 frame:0                   
                                                                                
                                          
          TX packets:19 errors:0 dropped:0 overruns:0 carrier:0                 
                                                                                
                                          
          collisions:0 Sendewarteschlangenlänge:1000                            
                                                                                
                                          
          RX bytes:913 (913.0 b)  TX bytes:4435 (4.3 Kb)                        
                                                                                
                                          
          Speicher:ce360000-ce380000                                            
                                                                                
                                          
                                                                                
                                                                                
                                          
eth3      Link encap:Ethernet  Hardware Adresse 00:19:99:82:F4:A2               
                                                                                
                                          
          inet Adresse:192.168.1.1  Bcast:192.168.1.255  Maske:255.255.255.0    
                                                                                
                                          
          inet6 Adresse: fe80::219:99ff:fe82:f4a3/64 
Gültigkeitsbereich:Verbindung
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:226 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 Sendewarteschlangenlänge:1000                            
                                                                                
                                          
          RX bytes:0 (0.0 b)  TX bytes:51319 (50.1 Kb)
          Speicher:ce3c0000-ce3e0000 

Also nutzt der Kernel für BEIDE Karten die serial number aus dem PCI und
die MAC ist in dem Fall gleich.

Keine Ahnung, womit das letztlich zusammen hängt.

Gruss
Reiner


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