Router on a single arm, DHCP, Ethernet Channel

a-stick

1. Function: communication between different network segments and different VLANs

single-arm configuration command

1)Route(config)# int fx/x

2)Route(config-if)# nosh

3)Route(config)# int fx/x.y

4)Route(config-if)# encapsulation dot1q VLAN-10

5)Route(config-if)# ip addr IP subnet mask

6)Route# show ip int b

Note: The interface between the switch and the router must be configured as a Trunk link

DHCP

1. Function: Automatically send IP address information

2. DHCP configuration

1)Route(config)# ip dhcp pool name

2)Route(config-if)# network subnet mask

3)Route(config-if)# default-router Gateway Address

4)Route(config)# ip dhcp excluded-addrss Start Reserved Address End Reserved Address

Ethernet channel

1. Function: By bundling multiple network cables into one logical network cable, the bandwidth can be multiplied.

Note: Up to 8 cables can be bundled, and the interface must be continuous.

Ethernet Channel Configuration

1)Switch(config)# int range fx/x - x

2)Switch(config-if)# channel-group x mode on

3)Switch# show interfaces etherchannel