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Video of Office Hour 3 Options for L3 Routing Cisco CCNA 200-301 in Cisco CCNA course by Keith Barker - The OG of IT channel, video No. 176 free certified online
Multiple options explained and demonstrated, including router on a stick (ROAS) and Switched Virtual Interfaces (SVIs) on a multi-layer switch. (Configs below.)
Configs used in demo:
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R2 as router
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! Switch
config terminal
interface range gig 0/1-2, gig 1/3
switchport mode access
switchport access vlan 10
exit
interface range gig 1/1-2, gig 0/3
switchport mode access
switchport access vlan 20
end
! R2
conf terminal
interface gig 0/1
description vlan 10
no shutdown
ip address 10.10.0.2 255.255.255.0
exit
interface gig 0/0
description vlan 20
no shutdown
ip address 10.20.0.2 255.255.255.0
end
config terminal
ip dhcp pool VLAN-10
network 10.10.0.0 /24
default-router 10.10.0.2
exit
ip dhcp pool VLAN-20
network 10.20.0.0 /24
default-router 10.20.0.2
end
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! R1 as Router
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! Switch
conf terminal
int gig 0/0
switchport trunk encapsulation dot1q
switchport mode trunk
end
! R1
config terminal
int gig 0/0
no shutdown
exit
int gig 0/0.10
description VLAN 10 Subinterface
encapsulation dot1Q 10
ip address 10.10.0.1 255.255.255.0
exit
int gig 0/0.20
description VLAN 20 Subinterface
encapsulation dot1Q 20
ip address 10.20.0.1 255.255.255.0
end
!DHCP Pools on R1
config terminal
ip dhcp pool VLAN-10
network 10.10.0.0 /24
default-router 10.10.0.1
exit
ip dhcp pool VLAN-20
network 10.20.0.0 /24
default-router 10.20.0.1
end
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Multi-layer Switch
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! Switch
config terminal
interface vlan 10
no shutdown
ip address 10.10.0.100 255.255.255.0
exit
interface vlan 20
no shutdown
ip address 10.20.0.100 255.255.255.0
exit
ip dhcp pool VLAN-10
network 10.10.0.0 /24
default-router 10.10.0.100
exit
ip dhcp pool VLAN-20
network 10.20.0.0 /24
default-router 10.20.0.100
end
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Master Playlist for Cisco CCNA 200-301 https://ogit.online/sloth
Cisco CCNA 200-301 Security https://ogit.online/200-301_Security
Cisco CCNA 200-301 IPv4 Subnetting https://ogit.online/subnet
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