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Can VLANs span multiple switches?
VLANs can span multiple switches, and you can have more than one VLAN on each switch.
How do I extend a VLAN on a Cisco switch?
Extended range VLAN must be created in the configuration mode and not from the vlan database mode. VTP does not propagate configuration information for extended-range VLANs (VLAN numbers 1006 to 4094). Hence, configure extended-range VLANs manually. Use the show vlan command in order to verify the VLAN entries.
What is VLAN extension?
VXLAN is a VLAN extension technology that encapsulates the standard Layer 2 Ethernet frames within IP, specifically using UDP port 4789 assigned by the Internet Assigned Numbers Authority (IANA). A VXLAN header is added to the Layer 2 frame and placed inside a UDP packet to send out to your routed domain.
Can we create VLAN on Layer 2 switch?
You can configure one or more VLANs to perform Layer 2 bridging. Thus, each virtual switch can participate in a different Layer 2 network. VLANs provide support for a Layer 2 trunk port. A Layer 2 trunk interface enables you to configure a single logical interface to represent multiple VLANs on a physical interface.
How many VLANs Can a Cisco switch create?
A switch supports a maximum of 4096 VLANs, among which VLANs 0 and 4095 are reserved for system use, and VLAN 1 is the default VLAN. Therefore, you can only create VLANs 2 to 4094.
How to extend a VLAN to a Cisco switch?
If you simply want to extend one vlan to the Cisco switch and assuming the connection is a L2 connection then – then for each of the PC ports configure as above example for gi0/1 and add the following extra line – Just to emphasize, spanning-tree portfast should not be configured under the port that connects to the HP switch. 02-10-2011 06:29 AM
What are the ports on a VLAN2 switch?
Added ports 2,3 and 4 to vlan2 on both switches. Used port 2 on both switches as the uplink port to connect the two devices. Can still only ping to and from clients connected to same switch – cannot ping a client on vlan2 on switch 2 from vlan2 on switch 1. All ports in trunk mode.
Do you have to have the same VLAN on both Cisco and HP switches?
If you are just connecting the Cisco switch in a specific Vlan, you need to configure the same vlan on both the switchports i.e both at Cisco and HP side. You need to get the info really on how many vlans you have on HP switch.
When to add VLANs to a trunk link?
The higher-paranoia approach is to restrict all VLANs only to the places they are needed, and to place all unused ports into a VLAN that goes nowhere. If you later add VoIP phones to a particular switch that does not have them now, you will add the VoIP VLAN to that trunk link at the time, not before.