Managing and Monitoring Network Management Features

Transcription

1 Managing and Monitoring Network Management Features This feature module describes how to monitor, manage and deploy a variety of network management features, including Cisco Active Network Abstraction (ANA), Simple Network Management Protocol (SNMP) and Cisco Networking Services (CNS). The CNS software agent on the Cisco ASR 901S can communicate with a Cisco Configuration Engine to allow the Cisco ASR 901S to be deployed in the field without having to pre-stage it for configuration or image upgrade. The Zero-touch deployment capability enables the Cisco ASR 901S router to auto configure itself, download an updated image, connect to the network, and start the operation as soon as it is cabled and powered up. It also supports the ZTP reset button on the router, which triggers the auto-install process. For more information about the Cisco Configuration Engine, see netmgtsw/ps6504/ps4617/qa_c67_ html. The Cisco ASR 901S router supports multicolor LEDs on the router that indicate the nature and severity of the System, Management, and Network LEDs. The alarm port monitoring feature enables polling of the alarm to indicate any change in the alarm state based on the user configuration. Finding Feature Information, page 1 Network Management Features for the Cisco ASR 901S, page 2 How to Configure Network Management Features on Cisco ASR 901S, page 2 Configuration Examples, page 14 Configuring LEDs, page 16 Configuring Alarm Port Monitoring, page 18 Where to Go Next, page 19 Additional References, page 19 Feature Information for Monitoring and Managing the Cisco ASR 901S Router, page 20 Finding Feature Information Your software release may not support all the features documented in this module. For the latest feature information and caveats, see the release notes for your platform and software release. To find information OL

2 Network Management Features for the Cisco ASR 901S Managing and Monitoring Network Management Features about the features documented in this module, and to see a list of the releases in which each feature is supported, see the feature information table at the end of this module. Use Cisco Feature Navigator to find information about platform support and Cisco software image support. To access Cisco Feature Navigator, go to An account on Cisco.com is not required. Network Management Features for the Cisco ASR 901S The following sections describe the network management features available on the Cisco ASR 901S. Cisco Active Network Abstraction (ANA) Cisco ANA is a powerful, next-generation network resource management solution designed with a fully distributed OSS mediation platform that abstracts the network, its topology and its capabilities from the physical elements. Its virtual nature provides customers with a strong and reliable platform for service activation, service assurance and network management. For more information about ANA, see en/us/products/ps6776/tsd_products_support_series_home.html. SNMP MIB Support To view the current MIBs that the Cisco ASR 901S supports, see Cisco Networking Services (CNS) Cisco Networking Services (CNS) is a collection of services that can provide remote configuration of Cisco IOS networking devices, remote execution of CLI commands, and image downloads by communicating with a Cisco Configuration Engine application running on a server. CNS enables the zero-touch deployment for the Cisco ASR 901S router by automatically downloading its configuration and upgrading its image if needed. Note The Cisco ASR 901S only supports CNS over motherboard Ethernet interfaces. For more information about CNS configuration, see Enabling Cisco Networking Services (CNS) and Zero-Touch Deployment, on page 8. How to Configure Network Management Features on Cisco ASR 901S Configuring SNMP Support This section contains the following procedures: Use the following to configure SNMP support for 2 OL

3 Managing and Monitoring Network Management Features Configuring SNMP Support Setting up the community access Establishing a message queue for each trap host Enabling the router to send SNMP trap messages Enabling SNMP trap messages for alarms Enabling trap messages for a specific environment. Note In the following procedure, press the Return key after each step unless otherwise noted. At any time, you can exit the privileged level and return to the user level by entering disable at the Router# prompt. Complete the following steps to configure SNMP: SUMMARY STEPS 1. enable 2. configure terminal 3. snmp-server community string [view view-name] [ro rw] [number] 4. snmp-server queue-length length 5. snmp-server enable traps [notification-type] [notification-option] 6. snmp-server enable traps envmon 7. snmp-server host host-address [traps informs] [version {1 2c 3 [ auth noauth priv]}] community-string [udp-port port] [notification-type] 8. end DETAILED STEPS Step 1 Step 2 enable Router> enable configure terminal Enables privileged EXEC mode. Enter your password if prompted. Enters global configuration mode. Step 3 Router# configure terminal snmp-server community string [view view-name] [ro rw] [number] Sets up the community access string to permit access to SNMP. The no form of this command removes the specified community string. string Community string is the password to access the SNMP protocol. Router(config)# snmp-server community xxxxx RO view view-name (Optional) Previously defined view. The view defines the objects available to the community. OL

4 Configuring SNMP Support Managing and Monitoring Network Management Features Step 4 snmp-server queue-length length ro (Optional) Specifies read-only access. Authorized management stations are able only to retrieve MIB objects. rw (Optional) Specifies read-write access. Authorized management stations are able to both retrieve and modify MIB objects. number (Optional) Specifies an access list of IP addresses allowed to use the community string to gain access to the SNMP agent. Values range from 1 to 99. Establishes the message queue length for each trap host. length Specifies the number of trap events that can be held before the queue must be emptied. Step 5 Router(config)# snmp-server queue-length 100 snmp-server enable traps [notification-type] [notification-option] Router(config)# snmp-server enable traps snmp linkdown linkup coldstart warmstart Enables the router to send SNMP traps messages. Use the no form of this command to disable SNMP notifications. notification-type snmp [authentication] Enables RFC 1157 SNMP notifications. Note that use of the authentication keyword produces the same effect as not using the authentication keyword. Both the snmp-server enable traps snmp and snmp-server enable traps snmp authentication forms of this command globally enable (or, if using the no form, disable) the following SNMP traps: authentication failure linkup linkdown coldstart warmstart Step 6 snmp-server enable traps envmon notification-option (Optional) atm pvc [interval seconds] [fail-intervalseconds] The optional interval seconds keyword/argument combination specifies the minimum period between successive traps, in the range from 1 to Generation of PVC traps is dampened by the notification interval to prevent trap storms. No traps are sent until the interval lapses. The default interval is 30. The optional fail-interval seconds keyword/argument combination specifies the minimum period for storing the failed time stamp, in the range from 0 to The default fail-interval is 0. Enables SNMP trap messages for a specific environment. envmon [voltage shutdown supply fan temperature] When the envmon keyword is used, you can enable a specific environmental notification type, or accept 4 OL

5 Managing and Monitoring Network Management Features Configuring SNMP Support Step 7 Router(config)# snmp-server enable traps envmon snmp-server host host-address [traps informs] [version {1 2c 3 [ auth noauth priv]}] community-string [udp-port port] [notification-type] Router(config)# snmp-server host version 2c all notification types from the environmental monitor system. If no option is specified, all environmental notifications are enabled. The option can be one or more of the following keywords: voltage, shutdown, supply, fan, and temperature. Specifies the recipient of an SNMP trap messages. To remove the specified host, use the no form of this command. host-address traps envmon host-address Name or Internet address of the host (the targeted recipient). traps Sends SNMP trap messages to this host. This is the default. informs (Optional) Sends SNMP informs to this host. version (Optional) Version of the SNMP used to send the traps. Version 3 is the most secure model because allows packet encryption with the priv keyword. If you use the version keyword, one of the following must be specified: 1 SNMP version 1. This option is not available with informs. 2c SNMP version 2C. 3 SNMP version 3. The following three optional keywords can follow the version 3 keyword: auth (Optional). Enables Message Digest 5 (MD5) and Secure Hash Algorithm (SHA) packet authentication. noauth (Default). The no authentication-no privileges security level is the default if the auth noauth priv] keyword choice is not specified. priv (Optional). Enables Data Encryption Standard (DES) packet encryption. community-string Password-like community string sent with the notification operation. Though you can set this string using the snmp-server host command by itself, we recommend you define this string using the snmp-server community command before using the snmp-server host command. port UDP port of the host. The default value is 162. notification-type (Optional) Type of notification to be sent to the host. If no type is specified, all notifications are sent. The notification type can be one or more of the following keywords: aaa_server Enables SNMP AAA Server traps. config Enables SNMP config traps. config-copy Enables SNMP config-copy traps. cpu Allow cpu related traps. ds1 Enables SNMP DS1 traps. OL

6 Configuring Remote Network Management Managing and Monitoring Network Management Features eigrp Enables SNMP EIGRP traps. entity Enables SNMP entity traps. envmon Enables SNMP environmental monitor traps. flash Enables SNMP FLASH notifications. frame-relay Enables SNMP frame-relay traps. hsrp Enables SNMP HSRP traps. ipmulticast Enables SNMP ipmulticast traps. ipsla Enables SNMP IP SLA traps. 12tun Enables SNMP L2 tunnel protocol traps. mpls Enables SNMP MPLS traps. msdp Enables SNMP MSDP traps. mvpn Enables Multicast Virtual Private Networks traps. ospf Enables OSPF traps. pw Enables SNMP PW traps. rsvp Enables RSVP flow change traps. snmp Enables SNMP traps. syslog Enables SNMP syslog traps. tty Enables TCP connection traps. vrrp Enables SNMP vrrp traps. Step 8 end Exits global configuration mode. Router(config)# end Configuring Remote Network Management Complete the following steps to configure remote network management on the Cisco ASR 901S router: 6 OL

7 Managing and Monitoring Network Management Features Configuring Remote Network Management SUMMARY STEPS 1. enable 2. configure terminal 3. ip host host-name ip-address 4. interface loopback number 5. ip-address ip-address subnet-mask 6. end 7. snmp-server host hostname [traps informs] [version {1 2c 3 [auth noauth priv]}] community-string [udp-port port] [notification-type] 8. snmp-servercommunity public ro 9. snmp-servercommunity private rw 10. snmp-serverenable traps 11. snmp-server trap-source loopback number 12. end DETAILED STEPS Step 1 Step 2 enable Router> enable configure terminal Enables privileged EXEC mode. Enter your password if prompted. Enters global configuration mode. Step 3 Step 4 Router# configure terminal ip host host-name ip-address Router(config)# ip host om-work interface loopback number Assigns a host name to each of the network management workstations, where hostname is the name assigned to the Operations and Maintenance (OAM) workstation and ip_address is the address of the network management workstation. Creates a loopback interface for OAM. Step 5 Router(config-if)# interface loopback 5005 ip-address ip-address subnet-mask Router(config-if)# ip-address Configures the interval at which packets are sent to refresh the MAC cache when HSRP is running. OL

8 Enabling Cisco Networking Services (CNS) and Zero-Touch Deployment Managing and Monitoring Network Management Features Step 6 end Exits interface configuration mode. Step 7 Router(config-if)# end snmp-server host hostname [traps informs] [version {1 2c 3 [auth noauth priv]}] community-string [udp-port port] [notification-type] Specifies the recipient of a Simple Network Management Protocol (SNMP) notification operation. The hostname is the name assigned to the Cisco Info Center workstation with the ip host command in Step 3. Step 8 Router(config)# snmp-server host snmp1 version 3 auth snmp-servercommunity public ro Specifies the public SNMP community name. Step 9 Router(config)# snmp-server community snmppubliccom RO snmp-servercommunity private rw Specifies the private SNMP community name. Step 10 Router(config)# snmp-server community snmpprivatecom RW snmp-serverenable traps Enables the transmission of SNMP traps messages. Step 11 Step 12 Router(config)# snmp-server enable traps snmp-server trap-source loopback number Router(config)# snmp-server trap-source loopback 5005 end Specifies the loopback interface from which SNMP traps messages originate, where number is the number of the loopback interface you configured for the O&M in Step 4. Exits global configuration mode. Router(config-if)# end Enabling Cisco Networking Services (CNS) and Zero-Touch Deployment To enable CNS and Zero-Touch deployment, you need the following servers: A DHCP server (standalone or enabled on the carrier edge router) 8 OL

9 Managing and Monitoring Network Management Features Enabling Cisco Networking Services (CNS) and Zero-Touch Deployment A TFTP server (standalone or enabled on the carrier edge router) A server running the Cisco Configuration Engine (formerly known as the CNS-CE server) Note The Cisco ASR 901S only supports CNS over motherboard Ethernet interfaces. This section contains the following procedures: Zero-Touch Deployment Zero-touch deployment feature gives the router the ability to retrieve its configuration file from the remote server during initial router deployment with no end-user intervention. The physical reset of the ZTP button on the router for 0.5 seconds initiates zero touch provisioning. Pressing the ZTP reset button on the router chassis for more than 8 seconds causes the router to reboot (power cycle). When the router is rebooting due to a hardware button reset (more than 8 second press), the following log is displayed during boot up: %PLATFORM-6-ZTP_EXTERNAL_EVENT: System rebooted due to an external ZTP event. Figure 1: Zero-touch Deployment The following steps provide an overview of events that take place during Cisco ASR 901S zero-touch deployment. OL

10 Enabling Cisco Networking Services (CNS) and Zero-Touch Deployment Managing and Monitoring Network Management Features SUMMARY STEPS 1. Connect the Cisco ASR 901S without any configurations to an upstream router. 2. The Cisco ASR 901S auto-senses the management VLAN of the upstream router for IP connectivity by listening to the traffic it receives on the connected interface. 3. The Cisco ASR 901S sends DHCP discover messages using the discovered VLAN tag. If the upstream router is not using a management VLAN, untagged DHCP discover messages are sent. 4. The DHCP server responds with a DHCP offer. 5. The Cisco ASR 901S sends a DHCP request message to the DHCP server. The DHCP server then sends the DHCP ACK message. 6. The Cisco ASR 901S requests network-config file via TFTP. 7. The TFTP server sends the Cisco ASR 901S a network-config file. 8. The Cisco ASR 901S sends an HTTP request to the CNS-CE server. 9. The CNS-CE server sends a configuration template to the Cisco ASR 901S. 10. Publish success event. DETAILED STEPS Step 1 Step 2 Step 3 Step 4 Step 5 Connect the Cisco ASR 901S without any configurations to an upstream router. The Cisco ASR 901S auto-senses the management VLAN of the upstream router for IP connectivity by listening to the traffic it receives on the connected interface. The Cisco ASR 901S sends DHCP discover messages using the discovered VLAN tag. If the upstream router is not using a management VLAN, untagged DHCP discover messages are sent. The DHCP server responds with a DHCP offer. The Cisco ASR 901S sends a DHCP request message to the DHCP server. The DHCP server then sends the DHCP ACK message. Note Step 6 and 7 are used only when Option 43 is not configured. Step 6 The Cisco ASR 901S requests network-config file via TFTP. Step 7 The TFTP server sends the Cisco ASR 901S a network-config file. Step 8 The Cisco ASR 901S sends an HTTP request to the CNS-CE server. Step 9 The CNS-CE server sends a configuration template to the Cisco ASR 901S. Step 10 Publish success event. Image Download The following events take place when a CNS-enabled Cisco ASR 901S downloads a new image: 10 OL

11 Managing and Monitoring Network Management Features Enabling Cisco Networking Services (CNS) and Zero-Touch Deployment SUMMARY STEPS 1. The CNS-CE server requests inventory (disk/flash info) from the ASR 901S-DC. 2. The ASR 901S-DC. sends an inventory. 3. The CNS-CE server sends an image location. 4. The ASR 901S-DC. sends a TFTP image request. 5. The ASR 901S-DC. downloads an image from the TFTP server. 6. Refresh the CNS-CE server to check whether the image download is complete. 7. Associate the.inv template in the CNS-CE server. Based on the boot variable, the Cisco ASR 901S reboots with the copied image. 8. The CNS-CE server reboots the ASR 901S-DC. router. DETAILED STEPS Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 The CNS-CE server requests inventory (disk/flash info) from the ASR 901S-DC. The ASR 901S-DC. sends an inventory. The CNS-CE server sends an image location. The ASR 901S-DC. sends a TFTP image request. The ASR 901S-DC. downloads an image from the TFTP server. Refresh the CNS-CE server to check whether the image download is complete. Associate the.inv template in the CNS-CE server. Based on the boot variable, the Cisco ASR 901S reboots with the copied image. The CNS-CE server reboots the ASR 901S-DC. router. Configuring a DHCP Server The Cisco ASR 901S requires a DHCP server for zero-touch deployment. Complete the following steps to configure a Cisco router as a DHCP server. OL

12 Enabling Cisco Networking Services (CNS) and Zero-Touch Deployment Managing and Monitoring Network Management Features SUMMARY STEPS 1. enable 2. configure terminal 3. ip dhcp excluded-address dhcp-server-ip-address 4. ip dhcp excluded-address ip-address subnet-mask 5. ip dhcp pool pool-name 6. network ip-address subnet-mask 7. default-router ip-address 8. Do one of the following: option 43 ascii string option 150 ip <TFTP-server-ip-address> 9. end DETAILED STEPS Step 1 Step 2 enable Router> enable configure terminal Enables privileged EXEC mode. Enter your password if prompted. Enters global configuration mode. Step 3 Router# configure terminal ip dhcp excluded-address dhcp-server-ip-address Specifies to exclude IP address of the DHCP server. Step 4 Step 5 Router# ip dhcp excluded-address ip dhcp excluded-address ip-address subnet-mask Router# ip dhcp excluded-address ip dhcp pool pool-name Assigns IP addresses with an exception of , which is the IP address of the DHCP server. Specifies the DHCP pool name. Router# ip dhcp pabudhcp2 12 OL

13 Managing and Monitoring Network Management Features Configuring a TFTP Server Step 6 network ip-address subnet-mask Specifies the IP address and subnet mask of the network. Step 7 Router# network default-router ip-address Specifies the IP address of the default router. Step 8 Step 9 Router# default-router Do one of the following: option 43 ascii string option 150 ip <TFTP-server-ip-address> Router# option 43 ascii 3A1D;A3;B end Specifies Option 43 and a string value that has the CNS details, serial number of the hardware, and the code for CE IP address or Option 150 and the IP address of the TFTP server. For more information on Option 43, see Constructing a DHCP Option 43 Message. Cisco ASR 901S Series Routers supports only few letter code options mentioned in this link. Exits configuration mode. Router(config-if)# end Configuring a TFTP Server You need to set up a TFTP server to provide a bootstrap configuration to the Cisco ASR 901S routers when they boot using option 150. Creating a Bootstrap Configuration Create or download a file with the initial bootstrap configuration on the TFTP server. An example of the configuration file is shown below: hostname test-router! cns trusted-server all-agents cns event keepalive 60 3 cns config initial cns config partial cns id hostname cns id hostname event cns id hostname image! end OL

14 Configuring the Cisco Configuration Engine Managing and Monitoring Network Management Features Enabling a TFTP Server on the Edge Router The Cisco ASR 901S requires a TFTP server for zero-touch deployment while using option 150. The TFTP server is typically implemented on the carrier edge router. You can use the following global configuration commands to enable a TFTP server on the edge router that can send the initial configuration to the Cisco ASR 901S router. tftp-server sup-bootflash:network-confg After the Cisco ASR 901S boots with this configuration, it can connect to the CNS-CE server. Configuring the Cisco Configuration Engine The Cisco Configuration Engine (formerly known as the Cisco CNS Configuration Engine) allows you to remotely manage configurations and IOS software images on Cisco devices including the Cisco ASR 901S. When the Cisco ASR 901S downloads the bootstrap configuration and connects to the Cisco Configuration Engine server, you can use the server to download a full configuration to the router. You can also use the CNS-CE server to complete any of the following tasks: Manage configuration templates The CNS-CE server can store and manage configuration templates. Download a new image You can use the CNS-CE server to load a new IOS image on a Cisco ASR 901S router. Loading a new config You can use the CNS-CE server to load a new configuration file on a Cisco ASR 901S router. Enable identification You can use a unique CNS agent ID to verify the identity of a host device prior to communication with the CNS-CE server. Enable authentication You can configure the CNS-CE server to require a unique password from the Cisco ASR 901S router as part of any communication handshake. Enable encryption You can enable Secure Socket Layer (SSL) encryption for the HTTP sessions between the CNS agent devices (Cisco ASR 901S routers) and the CNS-CE server. For instructions about how to use the CNS-CE server, see the Cisco Configuration Engine Installation & Configuration Guide at series_home.html. Configuration Examples This section provides the following configuration examples: Configuring SNMP Support! snmp-server community xxxxx RO snmp-server queue-length 100 snmp-server enable traps snmp linkdown linkup coldstart warmstart 14 OL

15 Managing and Monitoring Network Management Features Configuring Remote Network Management snmp-server enable traps envmonsnmp-server host version 2c! Configuring Remote Network Management cns trusted-server all-agents cns event keepalive 60 3 cns config initial cns config partial cns id hostname cns id hostname event cns id hostname image cns exec 80 logging buffered 20000! end Configuring a DHCP Server ip dhcp excluded-address ip dhcp excluded-address ! ip dhcp pool asrdhcp network default-router Option 150 ip ! end Zero-touch Deployment The following configuration example sets the Cisco ASR 901S to boot using configurations stored on a CNS CE server with the IP address Note This section provides partial configurations intended to demonstrate a specific feature. cns-lnx is hostanme of the linux machine where CE server is installed. ip host cns-lnx ip host cns-lnx.cisco.com ! cns trusted-server all-agents cns trusted-server all-agents cns-lnx cns trusted-server all-agents cns-lnx.cisco.com cns id hardware-serial cns id hardware-serial event cns id hardware-serial image cns event cns-lnx keepalive reconnect-time 10 cns image server status cns config initial cns config partial ! end OL

16 Configuring LEDs Managing and Monitoring Network Management Features Configuring LEDs The ASR 901S router supports three LEDs System, Management, and Network LEDs. These multicolor LEDs on the router indicate the nature and severity of the LEDs (see the following table). LED Label Function Color/State Description 1 System status Off System is in ROM Monitor (ROMMON) mode Green No hardware failure detected; system is in Cisco IOS prompt mode Amber Minor hardware failure detected Red Major hardware failure (critical temperature or voltage) detected 2 Management status Off No power Green System booted fine and is in Cisco IOS prompt mode Amber Software upgrade is in progress (MCU or ROMMON) Red Cisco IOS boot in progress or in ROMMON mode 16 OL

17 Managing and Monitoring Network Management Features Disabling and Enabling LEDs 3 Network status Off Fast Ethernet port and slot not connected Green Fast Ethernet port and slot link and line protocol is up Amber Fast Ethernet port and slot administration is down Red Fast Ethernet port and slot line protocol is down The System, Management, and Network LEDs can be enabled or disabled using Cisco IOS CLIs. By default all three LEDs are enabled. Disabling and Enabling LEDs SUMMARY STEPS 1. enable 2. configure terminal 3. hw-module led disable 4. no hw-module led disable 5. end DETAILED STEPS Step 1 Step 2 enable Router> enable configure terminal Enables privileged EXEC mode. Enter your password if prompted. Enters global configuration mode. Router# configure terminal OL

18 Configuring Alarm Port Monitoring Managing and Monitoring Network Management Features Step 3 hw-module led disable Disables the LED on the router. Step 4 Router(config)# hw-module led disable no hw-module led disable Enables the LED on the router. Step 5 Router(config)# Router(config)# no hw-module led disable end Exits configuration mode. Router(config)#end Configuring Alarm Port Monitoring The Cisco ASR 901S router supports one alarm port (RJ45 connector) that serves four external alarms. The Cisco IOS polls the alarm status every second to check if there are any changes in the alarm state based on the user configuration. The Cisco IOS CLIs can enable alarms individually and set a trigger when the alarm pin transitions from high to low or vice versa. Alarm port monitoring is disabled by default. Disabling and Enabling Alarms SUMMARY STEPS 1. enable 2. configure terminal 3. hw-module alarm { } enable {0 1} 4. no hw-module alarm { } enable {0 1} 5. end DETAILED STEPS Step 1 enable Enables privileged EXEC mode. 18 OL

19 Managing and Monitoring Network Management Features Where to Go Next Step 2 Router> enable configure terminal Enter your password if prompted. Enters global configuration mode. Step 3 Router# configure terminal hw-module alarm { } enable {0 1} Enables the alarm and trigger type. Step 4 Router(config)# hw-module alarm 1 enable 1 no hw-module alarm { } enable {0 1} Disables the alarm and trigger type. Step 5 Router(config)# no hw-module alarm 1 enable 1 end Exits configuration mode. Router(config)#end Where to Go Next For additional information on monitoring and managing the Cisco ASR 901S router, see the documentation listed in the Additional References section. Additional References The following sections provide references related to LLDP feature. Related Documents Related Topic Cisco IOS commands Cisco ASR 901S Command Reference Cisco IOS Interface and Hardware Component Commands Document Title Cisco IOS Master Commands List, All Releases Cisco ASR 901S Series Aggregation Services Router Command Reference Cisco IOS Interface and Hardware Component Command Reference OL

20 Feature Information for Monitoring and Managing the Cisco ASR 901S Router Managing and Monitoring Network Management Features Standards Standard None Title MIBs MIB None MIBs Link To locate and download MIBs for selected platforms, Cisco software releases, and feature sets, use Cisco MIB Locator found at the following URL: RFCs RFC No new or modified RFCs are supported by this feature, and support for existing RFCs has not been modified by this feature. Title Technical Assistance Description The Cisco Support and Documentation website provides online resources to download documentation, software, and tools. Use these resources to install and configure the software and to troubleshoot and resolve technical issues with Cisco products and technologies. Access to most tools on the Cisco Support and Documentation website requires a Cisco.com user ID and password. Link Feature Information for Monitoring and Managing the Cisco ASR 901S Router Table 1: Feature Information for Monitoring and Managing the Cisco ASR 901S Router, on page 21 lists the release history for this feature and provides links to specific configuration information. 20 OL

21 Managing and Monitoring Network Management Features Feature Information for Monitoring and Managing the Cisco ASR 901S Router Use Cisco Feature Navigator to find information about platform support and software image support. Cisco Feature Navigator enables you to determine which software images support a specific software release, feature set, or platform. To access Cisco Feature Navigator, go to An account on Cisco.com is not required. Note Table 1: Feature Information for Monitoring and Managing the Cisco ASR 901S Router, on page 21 lists only the software release that introduced support for a given feature in a given software release train. Unless noted otherwise, subsequent releases of that software release train also support that feature. Table 1: Feature Information for Monitoring and Managing the Cisco ASR 901S Router Feature Name Monitoring and Managing the Cisco ASR 901S Router Releases 15.2(2)SNI Feature Information The following sections provide information about this feature: Network Management Features for the Cisco ASR 901S, on page 2 How to Configure Network Management Features on Cisco ASR 901S, on page 2 Dry Contact Alarm Port 15.5(1)S This feature was introduced on the Cisco ASR 901 Series Routers. OL

22 Feature Information for Monitoring and Managing the Cisco ASR 901S Router Managing and Monitoring Network Management Features 22 OL