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Catalyst 3750 SwitchSoftware Configuration Guide
OL-8550-09
Chapter1 Overview
Default Settings After Initial Switch Configuration
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Auto-MDIX is enabled. For more information, see Chapter 12, “Configuring Interface
Characteristics.”
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Flow control is off. For more information, see Chapter12, “Configuring Interface
Characteristics.”
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PoE is autonegotiate. For more information, see Chapter12, “Configuring Interface
Characteristics.”
•VLANs
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Default VLAN is VLAN 1. For more information, see Chapter13, “Configuring VLANs.”
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VLAN trunking setting is dynamic auto (DTP). For more information, see Chapter13,
“Configuring VLANs.”
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Trunk encapsulation is negotiate. For more information, see Chapter13, “Configuring VLANs.”
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VTP mode is server. For more information, see Chapter14, “Configuring VTP.”
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VTP version is Version 1. For more information, see Chapter14, “Configuring VTP.”
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No private VLANs are configured. For more information, see Chapter16, “Configuring Private
VLANs.”
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Voice VLAN is disabled. For more information, see Chapter15, “Configuring Voice VLAN.”
•IEEE 802.1Q tunneling and Layer 2 protocol tunneling are disabled. For more information, see
Chapter 17, “Configuring IEEE 802.1Q and Layer 2 Protocol Tunneling.”
•STP, PVST+ is enabled on VLAN 1. For more information, see Chapter18, “Configuring STP.”
•MSTP is disabled. For more information, see Chapter 19, “Configuring MSTP.”
•Optional spanning-tree features are disabled. For more information, see Chapter20, “Configuring
Optional Spanning-Tree Features.”
•Flex Links are not configured. For more information, see Chapter21, “Configuring Flex Links and
the MAC Address-Table Move Update Feature.”
•DHCP snooping is disabled. The DHCP snooping information option is enabled. For more
information, see Chapter22, “Configuring DHCP Features and IP Source Guard Features.”
•IP source guard is disabled. For more information, see Chapter22, “Configuring DHCP Features
and IP Source Guard Features.”
•DHCP server port-based address allocation is disabled. For more information, see Chapter22,
“Configuring DHCP Features and IP Source Guard Features.”
•Dynamic ARP inspection is disabled on all VLANs. For more information, see Chapter23,
“Configuring Dynamic ARP Inspection.”
•IGMP snooping is enabled. No IGMP filters are applied. For more information, see Chapter24,
“Configuring IGMP Snooping and MVR.”
•IGMP throttling setting is deny. For more information, see Chapter24, “Configuring IGMP
Snooping and MVR.”
•The IGMP snooping querier feature is disabled. For more information, see Chapter24, “Configuring
IGMP Snooping and MVR.”
•MVR is disabled. For more information, see Chapter24, “Configuring IGMP Snooping and MVR.”