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Link Aggregation Control Protocol

Abkürzung: LACP

Kategorie: Netzwerkprotokolle
 

Das Link Aggregation Control Protocol (LACP) ermöglicht die dynamische Bündelung von physikalischen Interfacen.

LACP kann die physikalischen Ports zu einem logischen Interface zusammenfassen.

IEEE 802.3ad beschreibt LACP.

LACP-Frame mit Ethereal aufgezeichnet

No.     Time        Source                Destination           Protocol 
     21 6.733179    Cisco_5f:32:9c        Slow-Protocols        LACP     

Frame 21 (154 bytes on wire, 154 bytes captured)
    Arrival Time: Dec  5, 2005 09:11:54.054224000
    Time delta from previous packet: 0.970118000 seconds
    Time since reference or first frame: 6.733179000 seconds
    Frame Number: 21
    Packet Length: 154 bytes
    Capture Length: 154 bytes
    Protocols in frame: eth:eth:slow
ISL
    Destination: 01000C0000
    0000 .... = Type: Ethernet (0)
    .... 0000 = User: Best effort (default priority) (0)
    Source: Cisco_5f:32:9b (00:0a:b7:5f:32:9b)
    Length: 140
    DSAP: 0xAA
    SSAP: 0xAA
    Control: 0x3
    HSA: 0x000ab7
    0000 0000 0000 001. = VLAN ID: 0x0001
    .... .... .... ...0 = BPDU: No
    Index: 0
Ethernet II, Src: Cisco_5f:32:9c (00:0a:b7:5f:32:9c), Dst: Slow-Protocols (01:80:c2:00:00:02)
    Destination: Slow-Protocols (01:80:c2:00:00:02)
    Source: Cisco_5f:32:9c (00:0a:b7:5f:32:9c)
    Type: Slow Protocols (0x8809)
Link Aggregation Control Protocol
    Slow Protocols subtype: LACP (0x01)
    LACP Version Number: 0x01
    Actor Information: 0x01
    Actor Information Length: 0x14
    Actor System Priority: 32768
    Actor System: Cisco_5f:f5:80 (00:0a:b7:5f:f5:80)
    Actor Key: 2
    Actor Port Priority: 32768
    Actor Port: 5
    Actor State: 0xc5 (Activity, Aggregation, Defaulted, Expired)
        .... ...1 = LACP Activity: Yes
        .... ..0. = LACP Timeout: No
        .... .1.. = Aggregation: Yes
        .... 0... = Synchronization: No
        ...0 .... = Collecting: No
        ..0. .... = Distributing: No
        .1.. .... = Defaulted: Yes
        1... .... = Expired: Yes
    Reserved: 000000
    Partner Information: 0x02
    Partner Information Length: 0x14
    Partner System Priority: 0
    Partner System: 00:00:00_00:00:00 (00:00:00:00:00:00)
    Partner Key: 0
    Partner Port Priority: 0
    Partner Port: 0
    Partner State: 0x02 (Timeout)
        .... ...0 = LACP Activity: No
        .... ..1. = LACP Timeout: Yes
        .... .0.. = Aggregation: No
        .... 0... = Synchronization: No
        ...0 .... = Collecting: No
        ..0. .... = Distributing: No
        .0.. .... = Defaulted: No
        0... .... = Expired: No
    Reserved: 000000
    Collector Information: 0x03
    Collector Information Length: 0x10
    Collector Max Delay: 32768
    Reserved: 000000000000000000000000
    Terminator Information: 0x00
    Terminator Length: 0x00
    Reserved: 000000000000000000000000000000000000000000000000...

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Suchbegriffe: Trunking, LACP, Etherchannel, Bündelung, Redundanz