Cisco Catalyst 250 Series Configuration Guide

Default Ethernet Interface Configuration
This table shows the Ethernet interface default configuration, including some features that apply only to Layer
2 interfaces.
Table 4: Default Layer 2 Ethernet Interface Configuration
Default SettingFeature
Layer 2 or switching mode (switchport command).Operating mode
VLANs 1– 4094.
Allowed VLAN range
VLAN 1.Default VLAN (for access ports)
VLAN 1.Native VLAN (for IEEE 802.1Q trunks)
Drop all packets tagged with VLAN 0.802.1p priority-tagged traffic
Switchport mode dynamic auto (supports DTP).VLAN trunking
All ports are enabled.Port enable state
None defined.Port description
Autonegotiate. (Not supported on the 10-Gigabit
interfaces.)
Speed
Autonegotiate. (Not supported on the 10-Gigabit
interfaces.)
Duplex mode
Flow control is set to receive: off. It is always off for
sent packets.
Flow control
Disabled on all Ethernet ports.EtherChannel (PAgP)
Disabled (not blocked).Port blocking (unknown multicast and unknown
unicast traffic)
Disabled.Broadcast, multicast, and unicast storm control
Disabled.Protected port
Disabled.Port security
Disabled.Port Fast
Catalyst 2960-XR Switch Interface and Hardware Component Configuration Guide, Cisco IOS Release 15.0(2)EX1
OL-29420-01 21
Configuring Interface Characteristics
Default Ethernet Interface Configuration

Cisco Catalyst 250 Series Specifications

General

Brand	Cisco
Model	Catalyst 250 Series
Category	Switch
Language	English