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Catalyst 3750-E and 3560-E Switch Software Configuration Guide
OL-9775-02
Chapter 1 Overview
Default Settings After Initial Switch Configuration
• VLANs
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Default VLAN is VLAN 1. For more information, see Chapter 13, “Configuring VLANs.”
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VLAN trunking setting is dynamic auto (DTP). For more information, see Chapter 13,
“Configuring VLANs.”
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Trunk encapsulation is negotiate. For more information, see Chapter 13, “Configuring
VLANs.”
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VTP mode is server. For more information, see Chapter 14, “Configuring VTP.”
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VTP version is Version 1. For more information, see Chapter 14, “Configuring VTP.”
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No private VLANs are configured. For more information, see Chapter 16, “Configuring Private
VLANs.”
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Voice VLAN is disabled. For more information, see Chapter 15, “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 Chapter 18, “Configuring STP.”
• MSTP is disabled. For more information, see Chapter 19, “Configuring MSTP.”
• Optional spanning-tree features are disabled. For more information, see Chapter 20, “Configuring
Optional Spanning-Tree Features.”
• Flex Links are not configured. For more information, see Chapter 21, “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 Chapter 22, “Configuring DHCP Features and IP Source Guard.”
• IP source guard is disabled. For more information, see Chapter 22, “Configuring DHCP Features
and IP Source Guard.”
• Dynamic ARP inspection is disabled on all VLANs. For more information, see Chapter 23,
“Configuring Dynamic ARP Inspection.”
• IGMP snooping is enabled. No IGMP filters are applied. For more information, see Chapter 24,
“Configuring IGMP Snooping and MVR.”
• IGMP throttling setting is deny. For more information, see Chapter 24, “Configuring IGMP
Snooping and MVR.”
• The IGMP snooping querier feature is disabled. For more information, see Chapter 24, “Configuring
IGMP Snooping and MVR.”
• MVR is disabled. For more information, see Chapter 24, “Configuring IGMP Snooping and MVR.”
• Port-based traffic
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Broadcast, multicast, and unicast storm control is disabled. For more information, see
Chapter 26, “Configuring Port-Based Traffic Control.”
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No protected ports are defined. For more information, see Chapter 26, “Configuring Port-Based
Traffic Control.”
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Unicast and multicast traffic flooding is not blocked. For more information, see Chapter 26,
“Configuring Port-Based Traffic Control.”
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No secure ports are configured. For more information, see Chapter 26, “Configuring Port-Based
Traffic Control.”
• CDP is enabled. For more information, see Chapter 27, “Configuring CDP.”
