Cisco Sg2008 Manual
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Administration LLDP-MED Cisco Small Business SG200 Series 8-port Smart Switch81 3 •Cisco-specific device description (csco-sb)—This service enables clients to discover Cisco switches and other products deployed in small business networks. •Management user interfaces—This service identifies the management interface available on the switch (HTTP). When a Bonjour-enabled switch is attached to a network, any Bonjour client can discover and get access to the management interface without prior configuration. A system administrator can use an installed Internet Explorer plug-in to discover the switch. The web-based switch configuration utility shows up as a tab in the browser. When Bonjour Discovery and IGMP are both enabled, the IP Multicast address of Bonjour is displayed on the IP Multicast Group Address Page. When Bonjour Discovery is disabled, the switch stops service type advertisements and does not respond. Bonjour works in both IPv4 and IPv6 networks. To enable the switch to be discovered through Bonjour: STEP 1Click Administration > Discovery - Bonjour in the navigation window. STEP 2Select Enable. STEP 3Click Apply. LLDP-MED The IEEE 802.1AB standard, Link Layer Discovery Protocol (LLDP), describes a method by which stations residing on a LAN advertise identification information, capabilities, and physical descriptions. The information is exchanged in LLDP data units (LLDPDUs) which comprise type-length-value (TLV) structures. Various TLVs might be included in LLDPDUs, depending on the information that the administrator configures the port to advertise. Information learned through LLDPDUs is stored in MIBs, and the information might be accessible by a network management system (NMS) such as SNMP. This framework is extensible and allows advanced utilization in areas such as VoIP networks. NOTELLDPDUs only communicate information; they do not automatically configure the switch.
Administration LLDP-MED Cisco Small Business SG200 Series 8-port Smart Switch82 3 The switch supports the LLDP Media Endpoint Discovery (LLDP-MED) extensions to the LLDP protocol. LLDP-MED enables auto-discovery of LAN policies, device location, and other device characteristics, and automates management of Power- over-Ethernet (PoE) endpoints. Se e the following topic s for more information on the configuration pages available in the Administration > Discovery - LLDP menu: •Configuring Global LLDP-MED Properties •Configuring LLDP-MED on a Port •LLDP-MED Port Status Details •LLDP-MED Neighbor Information Configuring Global LLDP-MED Properties Use the LLDP MED Proper ties page to specify global parameters for this feature. To configure global LLDP-MED properties: STEP 1Click Administration > Discovery - LLDP-MED > Properties in the navigation window. The LLDP-MED specification defines two primary device classes: Network Connectivity devices and Endpoint devices. As indicated in the Device Class field, the switch is classified as a Network Connectivity device. STEP 2For Asset ID, enter the asset ID for the switch, advertised in Inventory TLVs. STEP 3Specify the Location Parameters to identify the physical location of the switch: •Subtype—Select one of the following options to configure how the switch location is identified in TLVs: -Coordinate Based—Switch location is identified using GPS coordinates in hexadecimal format. -Civic Address—Switch location is identified using a geographic description of the location, such as city, street name, and building name. -ELIN—Switch location is identified using the Emergency Location Identification Number (ELIN) of the switch.
Administration LLDP-MED Cisco Small Business SG200 Series 8-port Smart Switch83 3 •Coordinates—Switch GPS coordinates in hexadecimal format. •ELIN Address—The ELIN number. •Country—Country where the city is located. This is a two-character code as defined by ISO 3166. •City—City where the street is located. •Street—Street where the building is located. •Building—Building in which the switch is located. NOTE: The City, Street, and Building fields share the maximum character limitation; i.e., an entry in one field reduces the maximum allowable characters in the others. The maximum combine length of the city, street, and building fields is 246 characters. The characters , , %, and ? are not supported. STEP 4Click Apply. Your changes are saved to the Running Configuration. Configuring LLDP-MED on a Port The LLDP for Media Endpoint Devices (LLDP-MED) protocol provides extensions to the LLDP standard for network configuration and policy, device location, Power- over-Ethernet management, and inventory management. Use the LLDP-MED Por t Settings page to view and configure LLDP-MED operation on ports. To configure these settings on a port: STEP 1Click Administration > Discovery - LLDP-MED > LLDP-MED Port Settings in the navigation window. Each entry in the LLDP-MED Port Settings Table displays the LLDP-MED configuration for a port. STEP 2Select a port to configure and click Edit. STEP 3Specify the following for the selected port: •LLDP-MED Status—Select to enable LLDP-MED operation on the port. •Configuration Notification—Select to enable the switch to send notifications when there are topology changes on the network.
Administration LLDP-MED Cisco Small Business SG200 Series 8-port Smart Switch84 3 STEP 4Select the Available TLVs that you want the port to include in LLDP advertisements: •Network Policy—VLAN ID, the 802.1p class-of-service value, and the Differentiated Services Code Point (DSCP) value. This information is used to implement the Voice VLAN feature (see Voic e and Me di a). •Location—This value could include the hexadecimal GPS location coordinates for the switch, the civic address, or the ELIN address depending upon what is configured in Configuring Global LLDP-MED Properties. •PSE—Indicates whether the port advertises itself as Power Sourcing Equipment capable of providing power to a connected Power-over Ethernet device. This option appears only on switches that include the PoE features. •Inventory—Hardware and software version information. •System Capabilities—Identifies the basic functionality of the switch such as bridging. NOTEThe Application Type is included in the Network Policy TLV. Application types include Voice, Voice Signaling, Guest Voice, Guest Voice Signaling, Softphone Voice, Video Conferencing, Streaming Video, and Video Signaling. These Network Policies can be added to interfaces by using the VLAN Management > Voice and Media > Media VLAN page. STEP 5Click Apply and then click Close. Your changes are saved to the Running Configuration. NOTEYou can click Configure Network Policy to display the Media VL AN page. (You can also click VLAN Management > Voice and Media > Media VLAN in the navigation window.) This page enables you to assign LLDP-MED applications to VLANs and configure priority settings for associated traffic.
Administration LLDP-MED Cisco Small Business SG200 Series 8-port Smart Switch85 3 LLDP-MED Port Status Details The LLDP-MED Por t Status Details page displays the LLDP-MED configuration for all ports on which the feature is enabled. To display this page, click Administration> Discovery - LLDP-MED > LLDP-MED Port Status Details in the navigation window. Select a port from the Port list. The Network Policies Table shows the fields for each service or policy advertised through LLDP: •Media Policy Application Type—Type of service, such as Voice, associated with the LLDP network policy. •VLAN ID—VLAN ID associated with the network policy. •Priority—802.1p class-of-service value associated with the network policy. •DSCP—DSCP value for the network policy. •Tagged—Network policy is defined for tagged VLANs. The following switch parameters are advertised in Inventory TLVs. •Hardware Revision—Switch hardware revision ID. •Firmware Revision—Switch firmware revision number. •Software Revision—Switch software revision number. •Serial Number—Switch serial number. •Manufacturer Name—Switch manufacturer name. •Model Name—Switch model name. •Asset ID—LLDP-MED asset ID for the switch. The following switch parameters are advertised in System TLVs. •Chassis ID—The hardware address of the switch. •Chassis ID Subtype—The type of hardware address. •System Description—A preconfigured system description. •System Name—The user-configured hostname (see the System Settings page). •Management Address SubType—The protocol version for the management IP address.
Administration LLDP-MED Cisco Small Business SG200 Series 8-port Smart Switch86 3 •Management Address—The management interface IP address (see the IPv4 Interface page or the IPv6 Interface page). •Port ID SubType—The type of the port identifier. •Port ID—The port identifier. •Port Description—The port description. •System Capabilities Enabled—The capabilities that are enabled on the switch. •System Capabilities Supported—The capabilities that are currently advertised as supported by the switch. The following switch parameters are advertised in Location TLVs. •Subtype—The supported type of location information (civic, ELIN, or coordinate-based). •Coordinates—Switch GPS coordinates in hexadecimal format, if coordinate-based location information type is used. •ELIN Address—The ELIN number, if this location information type is used. •Country—Country where the city is located, if the civic location information type is used. •City—City where the street is located, if the civic location information type is used. •Street—Street where the building is located, if the civic location information type is used. •Building—Building in which the switch is located, if the civic location information type is used.
Administration LLDP-MED Cisco Small Business SG200 Series 8-port Smart Switch87 3 LLDP-MED Neighbor Information The Neighbor Information page displays information received from other LLDP- MED-capable devices in the network. To display this page, click Administration> Discovery - LLDP-MED > Neighbor Information in the navigation window. The Neighbor Information Table displays the following fields for each LLDP neighbor device for which an advertisement has been received: •Local Port—Port number of the switch where the LLDP advertisement was received. •Remote ID—An internal identifier to uniquely identify each Neighbor. •Remote Port ID—Name of the port through which the neighbor device sent the advertisement. •Device Class—Advertised class of the remote device. You can select an entry and click Details to display additional information from the LLDP-MED advertisement from the neighbor. The Neighbor Information—Details page displays the following information: MED Capabilities •Capabilities Supported—Advertised capabilities of the device. •Capabilities Enabled—Advertised capabilities that are enabled on the device. •Device Class—Advertised class of the remote device. Network Policies •Media Policy Application Type—Type of service, such as voice, associated with the LLDP network policy. •VLAN ID—VLAN ID associated with the network policy. •Priority—802.1p class-of-service value associated with the network policy. •DSCP—DSCP value for the network policy. •Unknown—Neither the 802.1p value nor the DSCP value is configured for this Network Policy. •Tagged—network policy is defined for tagged VLANs.
Administration LLDP-MED Cisco Small Business SG200 Series 8-port Smart Switch88 3 Inventory •Hardware Revision—Switch hardware revision ID. •Firmware Revision—Switch firmware revision number. •Software Revision—Switch software revision number. •Manufacturer Name—Switch manufacturer name. •Model Name—Switch model name. •Asset ID—LLDP-MED asset ID for the switch. Location •Subtype—Select one of the following options to configure how the switch location is identified in TLVs: -Coordinate Based—Switch location is identified by using GPS coordinates in hexadecimal format. -Civic Address—Switch location is identified by using a geographic description of the location, such as city, street name, and building name. -ELIN—Switch location is identified by using the Emergency Location Identification Number of the switch. •Location Information—Switch location information, in the format specified by the Subtype field. Extended PoE •PoE Device Type—If PoE functionality is advertised, this field indicates whether the device is a Powered Device (PD) or Power Sourcing Equipment (PSE). Extended PoE PD If the device is powered by PoE, the following properties can be advertised: •PoE Power Value—Power in watts requested by the device. •PoE Power Source—Indicates how the powered device receives power: -Primary—A power supply is connected directly to the device. -Backup—The device receives power from a PoE power sourcing equipment.
Administration Configuring DHCP Client Vendor Options Cisco Small Business SG200 Series 8-port Smart Switch89 3 •PoE Power Priority—Displays High, Low, or Critical to indicate how the port is prioritized when there is less PoE power to deliver than requested by all powered devices. Configuring DHCP Client Vendor Options You can configure the DHCP client functionality on the switch to include vendor information in its DHCP requests (DHCP option 60). A DHCP server might use vendor information to differentiate between clients based on the identified hardware type or functionality. To configure DHCP vendor option string: STEP 1Click Administration > DHCP Options in the navigation window. In addition to the vendor option and string, the page displays the format that the switch uses when obtaining its timezone information from a DHCP server. To configure the switch to acquire its timezone from DHCP, see Time Settings. If timezone information has been received, it displays the information. The Timezone Info Received field displays the information received, or displays False if no information has been received. STEP 2Select Enable for the Vendor Option. STEP 3Enter a value in the Vendor Option String text box. STEP 4Click Apply. Your changes are saved to the Running Configuration.
4 Cisco Small Business SG200 Series 8-port Smart Switch90 Port Management This chapter describes how to configure switch port settings, combine ports into link aggregation groups, and configure port power features. The following topics are included: •Configuring Port Settings •Link Aggregation •Configuring PoE •Green Ethernet Configuring Port Settings The Por t Settings page enables you to administratively enable and disable ports and to configure autonegotiation of port speed and duplex mode. You can also use this page to configure flow control on the port. To configure port settings: STEP 1Click Port Management > Port Settings in the navigation window. STEP 2Select the interface to configure, and then click Edit. STEP 3Specify the following for the selected port: •Administrative Status—Select Up to enable the port or Down to disable it. •Auto Negotiation—Select Enable to allow the switch autonegotiate the port speed and duplex mode with the connected device. If Autonegotiation is enabled, the Administrative Port Speed and Duplex Mode fields are not editable. •Administrative Port Speed—If Auto Negotiation is disabled, select whether the port is capable of 10 Mbit/s or 100 Mbit/s operation.