Default Ethernet Interface Configuration - Cisco Catalyst 3550 series Software Configuration Manual

Configuring Ethernet Interfaces

Default Ethernet Interface Configuration

Table 10-1
listed in the table, see
see
Table 10-1 Default Ethernet Interface Configuration
Feature
Operating mode
Allowed VLAN range
Default VLAN (for access ports)
Native VLAN (for 802.1Q trunks) VLAN 1.
VLAN trunking
Port enable state
Port description
Speed
Duplex mode
Flow control
EtherChannel (PAgP)
Port blocking (unknown multicast
and unknown unicast traffic)
Broadcast, multicast, and unicast
storm control
Protected port
Port security
Port Fast
Catalyst 3550 Multilayer Switch Software Configuration Guide
10-12
shows the Ethernet interface default configuration. For more details on the VLAN parameters
Chapter 12, "Configuring VLANs."
Chapter 21, "Configuring Port-Based Traffic Control."
Chapter 10
For details on controlling traffic to the port,
Default Setting
Layer 2 or switching mode (switchport command).
VLANs 1 – 4094.
VLAN 1.
Switchport mode dynamic desirable (supports DTP).
All ports are enabled.
None defined.
Autonegotiate.
Autonegotiate.
Flow control is set to off for receive and desired for send for
Gigabit Ethernet ports. For 10/100 Mb/s ports, send is always off.
Disabled on all Ethernet ports. See
EtherChannels."
Disabled (not blocked). See the
section on page 21-6.
Disabled. See the "Default Storm Control Configuration" section
on page 21-3.
Disabled. See the "Configuring Protected Ports" section on
page 21-5.
Disabled. See the "Default Port Security Configuration" section
on page 21-10.
Disabled.
Configuring Interface Characteristics
Chapter 30, "Configuring
"Configuring Port Blocking"
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