EtherChannel Configuration

Configure EtherChannel The following guidelines and restrictions are useful for configuring EtherChannel: •EtherChannel support – All Ethernet interfaces must support EtherChannel with no requirement that interfaces be physically contiguous. •Speed and duplex – Configure all interfaces in an EtherChannel to operate at the same speed and in the same duplex mode. •VLAN match – All interfaces in the EtherChannel bundle must … Read more

PAgP Operation

PAgP helps create the EtherChannel link by detecting the configuration of each side and ensuring that links are compatible so that the EtherChannel link can be enabled when needed. The modes for PAgP as follows: •On – This mode forces the interface to channel without PAgP. Interfaces configured in the on mode do not exchange PAgP packets. … Read more

EtherChannel Operation

Link Aggregation •There are scenarios in which more bandwidth or redundancy between devices is needed than what can be provided by a single link. Multiple links could be connected between devices to increase bandwidth. However, Spanning Tree Protocol (STP), which is enabled on Layer 2 devices like Cisco switches by default, will block redundant links … Read more

CCNA Course Outline

CCNA Course outline has been revised since 2019 after a new course update. As in this course Cisco removed a few topics and added the latest concept like Automation, Security, Layer II, Layer III redundancy protocols. Removed RIP, RIP Version2 and EIGRP, as no more the part of ccna course. Before 2019, there were 12 … Read more