The Network DNA

JULY 16, 2024

To do that it builds the Ethernet Frame and puts its MAC address as the Source MAC address (SMAC) and layer 2 broadcast address (ff:ff:ff:ff:ff:ff). PC-2 now creates an Ethernet frame to respond to the ARP. The Network DNA CCNA RnS #13: CSMA/CD - The Network DNA CCNA RnS #12 : Ethernet Frame Type & FCS Field! IP address.

Protocol 98

Protocol Ethernet IP Address LAN 98

The Network DNA

JULY 31, 2024

An administrator configures default gateway configuration manually while configuring the system on the LAN or it can be configured automatically using the DHCP protocol. This packet is encapsulated in Ethernet frame and using the ARP entries on the Host A it forwards the frame to the default gateway on the network.

IP Address 98

IP Address Ethernet Routers Gateway 98

The Network DNA

JUNE 11, 2024

CCNA: Ethernet Frame Today lets talk about the Ethernet Frame and its different fields. Understanding the Ethernet Frame and fields helps to understand the communication between systems and troubleshooting when things are not in place. A typical Ethernet frame looks like the one in Figure 1.

Ethernet 40

Ethernet LAN TCP Protocol 40

The Network DNA

JANUARY 26, 2025

CCNA RnS Article #27: VLAN Trunking Configuration CCNA RnS Article #26: Configuring VLANs CCNA RnS Article #25: Inter-VLAN Routing CCNA RnS Article #24: VLAN Tagging CCNA RnS Article #23: Virtual LAN (VLAN) Concept CCNA RnS Article #22: Interface Auto-negotiation in Action! CCNA RnS Article #18: Secure Switch Management Plane!

Ethernet 59

Ethernet LAN Protocol TCP 59

The Network DNA

JUNE 4, 2024

The OSI Layer Data Link and Physical layer maps to the Network Interface layer of the TCP/IP stack. Ethernet and Wi-Fi are commonly used protocols on this layer. CCNA RnS #17: Switching Process CCNA RnS #16: Campus vs Data Center Network CCNA RnS #15: Memory Types - The Network DNA CCNA RnS #14 - CLI Introduction! -

TCP 52

TCP Ethernet Protocol LAN 52

The Network DNA

JUNE 24, 2024

CCNA RnS Article #27: VLAN Trunking Configuration CCNA RnS Article #26: Configuring VLANs CCNA RnS Article #25: Inter-VLAN Routing CCNA RnS Article #24: VLAN Tagging CCNA RnS Article #23: Virtual LAN (VLAN) Concept CCNA RnS Article #22: Interface Auto-negotiation in Action! CCNA RnS Article #18: Secure Switch Management Plane!

Ethernet 52

Ethernet Port LAN Protocol 52

The Network DNA

JUNE 19, 2024

CCNA RnS Article #27: VLAN Trunking Configuration CCNA RnS Article #26: Configuring VLANs CCNA RnS Article #25: Inter-VLAN Routing CCNA RnS Article #24: VLAN Tagging CCNA RnS Article #23: Virtual LAN (VLAN) Concept CCNA RnS Article #22: Interface Auto-negotiation in Action! CCNA RnS Article #18: Secure Switch Management Plane!

Port 52

Port TCP Ethernet LAN 52