Optionally you can shutdown physical ports before you start the configuration to avoid problems during the configuration. Our goal is to bundle these two links into one logical link using PAgP protocol. The link is also a TRUNK port, so we need to configure EtherChannel and TRUNK in these ports. We have two Cisco switches, Switch-A and Switch-B connected with each other and have two links.
The diagram below shows our simple network scenario. The remote switch port must be configured in Auto mode or Desirable mode to form PAgP EtherChannel. Desirable – Actively tries to negotiate PAgP protocol with remote switch port.If the remote switch port is configured with desirable then only it will form PAgP EtherChannel. Auto – Passively waits for PAgP to form.
The physical switch ports in PAgP can be configured in one of two available modes in PAgP: – Configure PAgP EtherChannel in Cisco IOS Switch In this post, I will show steps to Configure PAgP EtherChannel in Cisco IOS Switch. In production environment, you either use LACP or PAgP. You can configure it manually or use protocols like PAgP or LACP. There are three different methods to configure EtherChannel in Cisco switch.
EtherChannel can provide high availability and increase bandwidth at the same time. Port Aggregation Protocol (PAgP) also called EtherChannel is a Cisco proprietary protocol that is used for bundling two or more physical ports into single logical port.
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