Default Configurations

This section describes the following:

Default Global System Configuration

The default supervisor engine configuration is as follows:

Feature Default Setting

Console port

The console port is configured as follows: 9600 baud, 8 data bits, no parity, 2 stop bits.

Passwords

There is no default password for normal and privileged modes. Press Return at the Enter Password prompt.

System prompt

Console>

In-band (sc0) interface configuration

The in-band interface is in VLAN 1; the IP address, subnet mask, and broadcast address are set to 0.0.0.0.

Default gateway

Default gateway address is 0.0.0.0 with a metric of 0.

Feature	Default Setting
Console port	The console port is configured as follows: 9600 baud, 8 data bits, no parity, 2 stop bits.
Passwords	There is no default password for normal and privileged modes. Press Return at the Enter Password prompt.
System prompt	Console>
In-band (sc0) interface configuration	The in-band interface is in VLAN 1; the IP address, subnet mask, and broadcast address are set to 0.0.0.0.
Default gateway	Default gateway address is 0.0.0.0 with a metric of 0.

Default Ethernet Configuration

The default Ethernet, Fast Ethernet, and Gigabit Ethernet port configuration is as follows:

Feature Default Setting

Port enable state

All ports are enabled

Port name

None

Port duplex setting

Auto (to autonegotiate duplex mode) on Ethernet and Fast Ethernet; full duplex on Gigabit Ethernet (half duplex is not supported)

Port speed (on 10/100-Mbps ports)

Auto (to autonegotiate both speed and duplex)

Spanning Tree Protocol

Enabled for VLAN 1

Spanning tree port-VLAN cost

19 for Ethernet and Fast Ethernet ports, 4 for Gigabit Ethernet ports

Spanning tree port-VLAN priority

32

VLAN

All ports are on VLAN 1

EtherChannel

Disabled

Flow control on Gigabit Ethernet ports

Flow control send is set to desired; flow control receive is set to off

Flow control on other Ethernet ports

Flow control receive is set to off; send is not supported

Feature	Default Setting
Port enable state	All ports are enabled
Port name	None
Port duplex setting	Auto (to autonegotiate duplex mode) on Ethernet and Fast Ethernet; full duplex on Gigabit Ethernet (half duplex is not supported)
Port speed (on 10/100-Mbps ports)	Auto (to autonegotiate both speed and duplex)
Spanning Tree Protocol	Enabled for VLAN 1
Spanning tree port-VLAN cost	19 for Ethernet and Fast Ethernet ports, 4 for Gigabit Ethernet ports
Spanning tree port-VLAN priority	32
VLAN	All ports are on VLAN 1
EtherChannel	Disabled
Flow control on Gigabit Ethernet ports	Flow control send is set to desired; flow control receive is set to off
Flow control on other Ethernet ports	Flow control receive is set to off; send is not supported

Default VTP Configuration

The default VTP configuration is as follows:

Feature Default Setting

VTP

Disabled (switch is in a no-management domain state)

VTP version 2

Disabled

VTP domain name

Not specified

VTP mode

Server

VTP pruning

Disabled

VTP password

None (management domains are set to nonsecure mode)

Feature	Default Setting
VTP	Disabled (switch is in a no-management domain state)
VTP version 2	Disabled
VTP domain name	Not specified
VTP mode	Server
VTP pruning	Disabled
VTP password	None (management domains are set to nonsecure mode)

Default VLAN Configuration

The default Ethernet VLAN configuration is as follows:

Feature Default Setting

Default VLAN¹

VLAN 1

Native VLAN²

VLAN 1

MTU size³

1500 bytes

Pruning eligibility

VLANs 2-1000 are pruning-eligible

VLAN SAID⁴ value

100,000 plus the VLAN number. The SAID for VLAN 1 is 100001, for VLAN 2 100002, for VLAN 3 100003, and so on.

¹In effect when a port is not a trunk.
²In effect when a port is an 802.1Q trunk.
³MTU=maximum transmission unit
⁴SAID=Security Association Identification

Feature	Default Setting
Default VLAN¹	VLAN 1
Native VLAN²	VLAN 1
MTU size³	1500 bytes
Pruning eligibility	VLANs 2-1000 are pruning-eligible
VLAN SAID⁴ value	100,000 plus the VLAN number. The SAID for VLAN 1 is 100001, for VLAN 2 100002, for VLAN 3 100003, and so on.

Default Trunk Configuration

The default trunk configuration on Ethernet ports is as follows:

Feature Default Setting

Trunking state

Disabled

Encapsulation

Negotiate (if both ports are set to negotiate mode, the trunk uses ISL encapsulation)

Trunk mode

Auto

Allowed VLANs

All VLANs are allowed for trunking

Feature	Default Setting
Trunking state	Disabled
Encapsulation	Negotiate (if both ports are set to negotiate mode, the trunk uses ISL encapsulation)
Trunk mode	Auto
Allowed VLANs	All VLANs are allowed for trunking

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