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Configuring VLANs ······················································································································································ 1
Introduction to VLAN ························································································································································ 1
VLAN overview ························································································································································· 1
VLAN fundamentals·················································································································································· 2
VLAN types ······························································································································································· 3
Protocols and standards ·········································································································································· 3
Configuring basic VLAN settings····································································································································· 3
Configure basic settings of a VLAN interface ················································································································ 4
VLAN interface overview ········································································································································· 4
Configuration procedure ········································································································································· 4
VLAN interface configuration example ·················································································································· 5
Configuring port-based VLANs ········································································································································ 6
Introduction to port-based VLAN ···························································································································· 6
Assigning an access port to a VLAN ····················································································································· 8
Assigning a trunk port to a VLAN··························································································································· 9
Assigning a hybrid port to a VLAN ····················································································································· 10
Port-based VLAN configuration example ············································································································ 11
MAC-based VLAN configuration ·································································································································· 13
Introduction to MAC-based VLAN ······················································································································· 13
Configuring a MAC-based VLAN ························································································································ 14
MAC-based VLAN configuration example ········································································································· 15
Displaying and maintaining VLANs ····························································································································· 18
MAC address table configuration ···························································································································· 19
Overview ········································································································································································· 19
How a MAC address table entry is created ······································································································· 19
Types of MAC address table entries ··················································································································· 20
MAC address table-based frame forwarding ···································································································· 20
Configuring the MAC address table ···························································································································· 20
Configuring MAC address table entries ············································································································· 20
Disabling MAC address learning ························································································································ 21
Configuring the aging timer for dynamic MAC address entries ······································································ 22
Configuring the MAC learning limit ···················································································································· 23
Displaying and maintaining MAC address tables ····································································································· 24
MAC address table configuration example ················································································································ 24
Configuring the spanning tree ·································································································································· 26
STP ··················································································································································································· 26
STP protocol packets ············································································································································· 26
Basic concepts in STP ············································································································································ 27
Calculation process of the STP algorithm ··········································································································· 28
RSTP ················································································································································································· 33
MSTP ················································································································································································ 33
STP and RSTP limitations ······································································································································· 33
MSTP features ························································································································································ 33
MSTP basic concepts ············································································································································ 34
How MSTP works ·················································································································································· 37
Implementation of MSTP on routers ····················································································································· 38
Protocols and standards ················································································································································ 38
Spanning tree configuration task list ···························································································································· 38
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