mokkan
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IP address on switch port
1. Can we configure IP address on Layer 2 switch port ?
2. Do we need to have Layer 3 switch to configure IP on switch port?
3. Default gateway needs to be on router or switch ?
2. Do we need to have Layer 3 switch to configure IP on switch port?
3. Default gateway needs to be on router or switch ?
ASKER
If we have layer3 switch, we can configure IP address on the port? And we can setup routing as well ? Correct?
Yes thats is correct. A layer 3 switch has routing and switch functionalities.
Do you have the model name ?
ASKER
Cisco 3750 and 3750 V2.
ASKER
How do we setup the IP address on Layer 2 switch? It normally assign IPs to hosts/device. Can you please explain ?
Switch# configure terminal
Switch(config)# vlan 20
Switch(config-vlan)# name test20
------------------ for ip on the vlan
Switch(config-vlan)# ip addr 0.0.0.0 255.255.255.255
for IPv6
Switch(config-vlan)#ip addr FFFFF:FFFFF:FFFFF:FFFFF:..
Switch(config-vlan)# end
Switch(config)# vlan 20
Switch(config-vlan)# name test20
------------------ for ip on the vlan
Switch(config-vlan)# ip addr 0.0.0.0 255.255.255.255
for IPv6
Switch(config-vlan)#ip addr FFFFF:FFFFF:FFFFF:FFFFF:..
Switch(config-vlan)# end
Thats looks silly to me nadir, would it not be something like below?
Config terminal
Int vlan 20
Ip address x.x.x.x y.y.y.y
And then on a physical interface e.g. Gi0/1
Switchport mode access
Switchport Access vlan 20
Config terminal
Int vlan 20
Ip address x.x.x.x y.y.y.y
And then on a physical interface e.g. Gi0/1
Switchport mode access
Switchport Access vlan 20
ASKER
Thank you , in this case I can't use that port correct? Or can I use cross over cable and communicate with another host?
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1 yes if it is managed.
2 no layer 3 is for routing
3 gateway is always the router (gate to the internet)