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--- network:lacp [2021/06/21 08:15] – created js
+++ network:lacp [2021/06/21 09:08] (current) – js
@@ Line 1: / Line 1: @@
 ====== LACP ======
-Date:
+<WRAP center round tip 60%>
+**LACP = Link Aggregation Control Protocol** \\
+**MLT = Multi Link Trunking**
+</WRAP>
+==== Overview ====
+LACP is a protocol to bundel several physical network cards together to one logical link. This is called MLT. It implements failover if one or more card or link fails and load balancing with different methods.
+==== Information ====
+  * [[https://en.wikipedia.org/wiki/Link_aggregation#Link_Aggregation_Control_Protocol]]
+  * [[https://en.wikipedia.org/wiki/Multi-link_trunking]]
+===== Linux =====
+==== Information ====
+  * [[https://www.kernel.org/doc/Documentation/networking/bonding.txt]] - Linux Ethernet Bonding Driver HOWTO (Latest update: 27 April 2011)
+===== Cisco =====
+==== Information ====
+  * [[https://en.wikipedia.org/wiki/EtherChannel]]
+  * [[https://en.wikipedia.org/wiki/Port_Aggregation_Protocol]]
+==== Troubleshooting ====
+If you do not have a connection between a server without active lacp and the switch with active lacp, try
+  - add native vlan to allowed vlan list
+  - add "no lacp suspend-individual"
+  * [[https://www.reddit.com/r/Cisco/comments/l6rs4m/lacp_suspendindividual_on_n9k/]]
+==== Example =====
+<code>
+  description ExampleSwitchConfiguration
+  switchport mode trunk
+  switchport trunk native vlan 999
+  switchport trunk allowed vlan 999-1100
+  spanning-tree port type edge
+  no snmp trap link-status
+  channel-group 1110 mode active
+  no shutdown
+  no lacp suspend-individual</code>

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