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Auto Configuration via DHCP, Renew IP Address Now

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Configuring IP Information Management and IP Interfaces 16 • Management VLAN-Select the Management VLAN used to access the switch through telnet or the Web GUI. VLAN1 is the default Management VLAN. • IP Address Type-Select one of the following options: - Dynamic-Discover the IP address using DHCP from the management VLAN. - Static-Manually define a static IP address. NOTE DHCP Option 12 (Host Name option) is supported when the device is an DHCP client. If DHCP Option 12 is received from a DHCP server, it is saved as the server's host name. DHCP option 12 will not be requested by the switch. The DHCP server must be configured to send option 12 regardless of what is requested in order to make use of this feature. If a static IP address is used, configure the following fields. • IP Address-Enter the IP address, and configure one of the following fields: - Network Mask-Select and enter the IP address mask. - Prefix Length-Select and enter the length of the IPv4 address prefix. • Administrative Default Gateway-Select User Defined and enter the default gateway IP address, or select None to remove the selected default gateway IP address from the interface. • Operational Default Gateway-Displays the current default gateway status. NOTE If the switch is not configured with a default gateway, it cannot communicate with other devices that are not in the same IP subnet. If a dynamic IP address is retrieved from the DHCP server, select those of the following fields that are enabled: • Renew IP Address Now-The switch dynamic IP address can be renewed any time after it is assigned by a DHCP server. Note that depending on your DHCP server configuration, the switch might receive a new IP address after the renewal that requires setting the web-based switch configuration utility to the new IP address. • Auto Configuration via DHCP-Displays status of Auto Configuration feature. You can configure this from Administration > File Management > DHCP Auto Configuration. Cisco Small Business 200 Series Smart Switch Administration Guide 210

Section	Page
Getting Started	7
Starting the Web-based Switch Configuration Utility	7
Quick Start Switch Configuration	11
Interface Naming Conventions	11
Window Navigation	13
Viewing Statistics	17
Viewing Ethernet Interfaces	17
Viewing Etherlike Statistics	18
Viewing 802.1X EAP Statistics	19
Managing RMON	21
Managing System Logs	24
Setting System Log Settings	24
Setting Remote Logging Settings	26
Viewing Memory Logs	27
Managing System Files	29
Types of System Files	29
Upgrade/Backup Firmware/Language	32
Downloading or Backing-up a Configuration or Log	34
Viewing Configuration Files Properties	37
Copying Configuration Files	38
DHCP Auto Configuration	39
General Administrative Information	43
Switch Models	43
System Information	45
Rebooting the Switch	47
Monitoring the Fan Status and Temperature	48
Defining Idle Session Timeout	48
Pinging a Host	49
System Time	51
System Time Options	52
SNTP Modes	53
Configuring System Time	54
Managing Device Diagnostics	61
Testing Copper Ports	61
Displaying Optical Module Status	63
Configuring Port and VLAN Mirroring	64
Viewing CPU Utilization and Secure Core Technology	66
Configuring Discovery	68
Configuring Bonjour Discovery	68
LLDP and CDP	69
Configuring LLDP	70
Configuring CDP	91
Port Management	100
Configuring Ports	100
Setting Basic Port Configuration	101
Configuring Link Aggregation	103
Configuring Green Ethernet	111
Smartports	118
Overview	118
What is a Smartport	119
Smartport Types	119
Smartport Macros	122
Macro Failure and the Reset Operation	123
How the Smartport Feature Works	124
Auto Smartport	124
Error Handling	128
Default Configuration	128
Relationships with Other Features and Backwards Compatibility	129
Common Smartport Tasks	129
Configuring Smartport Using The Web-based Interface	131
Built-in Smartport Macros	136
Managing Power-over-Ethernet Devices	148
PoE on the Switch	148
Configuring PoE Properties	151
Configuring the PoE Power, Priority, and Class	152
VLAN Management	155
VLANs	155
Configuring Default VLAN Settings	158
Creating VLANs	159
Configuring VLAN Interface Settings	160
Defining VLAN Membership	161
Voice VLAN	165
Configuring the Spanning Tree Protocol	179
STP Flavors	179
Configuring STP Status and Global Settings	180
Defining Spanning Tree Interface Settings	182
Configuring Rapid Spanning Tree Settings	184
Managing MAC Address Tables	187
Configuring Static MAC Addresses	188
Managing Dynamic MAC Addresses	188
Configuring Multicast Forwarding	190
Multicast Forwarding	190
Defining Multicast Properties	193
Adding MAC Group Address	195
Adding IP Multicast Group Addresses	197
Configuring IGMP Snooping	198
MLD Snooping	200
Querying IGMP/MLD IP Multicast Group	203
Defining Multicast Router Ports	204
Defining Forward All Multicast	205
Defining Unregistered Multicast Settings	206
Configuring IP Information	207
Management and IP Interfaces	207
Configuring ARP	219
Domain Name Systems	220
Configuring Security	224
Defining Users	225
Configuring RADIUS	228
Configuring Management Access Authentication	230
Defining Management Access Method	231
Configuring TCP/UDP Services	236
Defining Storm Control	237
Configuring Port Security	238
Configuring 802.1X	241
Denial of Service Prevention	247
Using the SSL Feature	249
SSL Overview	249
Default Settings and Configuration	249
SSL Server Authentication Settings	250
Secure Sensitive Data	252
Introduction	252
SSD Rules	253
SSD Properties	258
Configuration Files	261
SSD Management Channels	266
Menu CLI and Password Recovery	266
Configuring SSD	267
Configuring Quality of Service	270
QoS Features and Components	271
Configuring QoS - General	272

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Configuring IP Information

Management and IP Interfaces

Cisco Small Business 200 Series Smart Switch Administration Guide

210

•

Management VLAN

—Select the Management VLAN used to access the

switch through telnet or the Web GUI. VLAN1 is the default Management

VLAN.

•

IP Address Type

—Select one of the following options:

Dynamic

—Discover the IP address using DHCP from the management

VLAN.

Static

—Manually define a static IP address.

NOTE

DHCP Option 12 (Host Name option) is supported when the device is

an DHCP client. If DHCP Option 12 is received from a DHCP server, it is saved

as the server’s host name. DHCP option 12 will not be requested by the

switch. The DHCP server must be configured to send option 12 regardless

of what is requested in order to make use of this feature.

If a static IP address is used, configure the following fields.

•

IP Address

—Enter the IP address, and configure one of the following fields:

Network Mask

—Select and enter the IP address mask.

Prefix Length

—Select and enter the length of the IPv4 address prefix.

•

Administrative Default Gateway

—Select

User Defined

and enter the

default gateway IP address, or select

None

to remove the selected default

gateway IP address from the interface.

•

Operational Default Gateway

—Displays the current default gateway

status.

NOTE

If the switch is not configured with a default gateway, it cannot

communicate with other devices that are not in the same IP subnet.

If a dynamic IP address is retrieved from the DHCP server, select those of the

following fields that are enabled:

•

Renew IP Address Now

—The switch dynamic IP address can be renewed

any time after it is assigned by a DHCP server. Note that depending on your

DHCP server configuration, the switch might receive a new IP address after

the renewal that requires setting the web-based switch configuration utility

to the new IP address.

•

Auto Configuration via DHCP

—Displays status of Auto Configuration

feature. You can configure this from

Administration

File Management

DHCP Auto Configuration