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can i put two svi with the same ip

daniel4579329
Spotlight
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from what i unerstood, svi port will be th default gateway to the host that connect to it 

my question is does it mean that in a L3 switch i would have a port with vlan 10 (for example) and there will not be another port on that switch with vlan 10 ?

 

thanks for the help (:

5 Replies 5

luis_cordova
VIP Alumni
VIP Alumni

Hi @daniel4579329 

 

You can assign vlan 10 to multiple ports on the switch.
The SVI is a virtual interface in which you host the gateway of all the devices belonging to vlan 10.
Just like in a router, two interfaces(in this case SVI) cannot have IP from the same network.

 

Regards

so i can have two port with the same vlan ?

Hi @daniel4579329 

 

Yes you can.
For examples, you can assign two ports to vlan 10 and the devices connected to those ports must have as a gateway the ip configured in SVI 10.

Regards

Martin L
VIP
VIP

 

can i put two svi with the same ip?

No, there cannot be 2 SVIs with same IP. 

But, as Luis C mentioned, you can have many PCs in vlan X connecting to SVI X; Others, like in Vlan Y will connect to SVI Y.  This is in case of L3 switch who will do routing between those 2 SVIs without any help (directly connected interfaces will go int routing table as subnets and L3 Sw is like a Router will do routing automatically. L3 sw lets you have many SVIs up up state with different IPs. Normally, 1 subnet per vlan.

however, in case of L2 sw,  default SVI 1 is for management purpose (so that u can connect and set it up);

all PCs connecting to L2 sw should go to Router for routing and default gateway. 

Normally Only 1 SVI should be up up state for L2 Sw  (there are some exceptions in some models)

 

Regards, ML
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So I can have 2 port in the same Vlan but they can't be on the same subnet ?