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Tag Archives: Switching

Cisco Switch Stack
Monday / Oct 17, 2016 /

Understanding Cisco Switch Stacks

Ziaul / Cisco, Switching /

A switch stack is a set of up to nine supported Catalyst switches connected through their StackWise ports. One of the switches controls the operation of the stack and is called the stack master. The stack master and the other switches in the stack are stack members. The stack members use the Cisco StackWise technology […]

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vlan_ranges
Thursday / Oct 06, 2016 /

VLAN range Normal, Extended & Internal

Ziaul / Cisco, Switching /

VLANs are certainly a simple concept, but how and where they are implemented depends on a variety of factors including the numerical range they fall within. There are three different ranges of VLANs: Normal/Standard Extended Internal Normal Range VLANs Normal range VLANs are from 1-1005. Normal range VLANS can be configured in both database configuration […]

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switchport_modes
Thursday / Oct 06, 2016 /

Switchport Modes Simplified

Ziaul / Cisco, Switching /

switchport mode trunk Always trunk on this end, and I will send DTP to attempt to negotiate a trunk on the other end.   switchport nonegotiate Do not send or respond to DTP from this end. Disable all DTP on this port.” (Ideal to use on user access ports/ when trunking to non-Cisco switches/ when […]

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