H3C Low-End Ethernet Switches Configuration Guide(V1.01)

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SNMP Configuration

The Simple Network Management Protocol (SNMP) is used for ensuring the transmission of the management information between any two network nodes. In this way, network administrators can easily retrieve and modify the information about any node on the network, locate and diagnose network problems, plan for network growth, and generate reports on network nodes.

Network Diagram

Figure 1-1 Network diagram for SNMP configuration

 

Networking and Configuration Requirements

l          An NMS and Switch A (SNMP agent) are connected through the Ethernet. The IP address of the NMS is 10.10.10.1 and that of the VLAN interface on Switch A is 10.10.10.2.

l          Perform the following configuration on Switch A: setting the community name and access right, administrator ID, contact and switch location, and enabling the switch to sent traps.

Applicable Product Matrix

Product series

Software version

Hardware version

S5600 series

Release 1510, Release1602

All versions

S5100-SI/EI series

Release 2200, Release2201

All versions

S3600-SI/EI series

Release 1510, Release1602

All versions

S3100-EI series

Release 2104, Release 2107

All versions

S3100-C-SI series

S3100-T-SI series

Release 0011, Release 2102, Release 2107

All versions

S3100-52P

Release 1500, Release 1602

S3100-52P

 

Configuration Procedure

Configuring the switch (SNMP agent)

# Enable SNMP agent, and set the SNMPv1 and SNMPv2c community names.

<Sysname> system-view

[Sysname] snmp-agent

[Sysname] snmp-agent sys-info version all

[Sysname] snmp-agent community read readname

[Sysname] snmp-agent community write writename

# Set the access right of the NMS to the MIB of the SNMP agent.

[Sysname] snmp-agent mib-view include internet 1.3.6.1

# For SNMPv3, set the SNMPv3 group and user, set the security level to authentication with privacy, authentication protocol to HMAC-MD5, authentication password to passmd5, encryption protocol to DES, and encryption password to cfb128cfb128.

[Sysname] snmp-agent group v3 managev3group privacy write-view internet

[Sysname] snmp-agent usm-user v3 managev3user managev3group authentication-mode md5 passmd5 privacy-mode des56 cfb128cfb128

# Configure the IP address of VLAN-interface 2 as 10.10.10.2. Add the port Ethernet 1/0/2 to VLAN 2.

[Sysname] vlan 2

[Sysname-vlan2] port Ethernet 1/0/2

[Sysname-vlan2] quit

[Sysname] interface Vlan-interface 2

[Sysname-Vlan-interface2] ip address 10.10.10.2 255.255.255.0

[Sysname-Vlan-interface2] quit

# Enable the sending of Traps to the NMS with an IP address of 10.10.10.1, using public as the community name.

[Sysname] snmp-agent trap enable standard authentication

[Sysname] snmp-agent trap enable standard coldstart

[Sysname] snmp-agent trap enable standard linkup

[Sysname] snmp-agent trap enable standard linkdown

[Sysname] snmp-agent target-host trap address udp-domain 10.10.10.1 udp-port 5000 params securityname public

Configuring the NMS

The H3C series Ethernet switches support H3C Intelligent Management Center (iMC). When you use iMC, you need to set usernames and choose the security level. For each security level, you need to set authentication mode, authentication password, privacy mode, privacy password, and so on. In addition, you need to set timeout time and maximum retry times.

You can query and configure an Ethernet switch through the NMS.

Complete Configuration

#

interface Vlan-interface2

 ip address 10.10.10.2 255.255.0.0

#

interface Ethernet1/0/2

 port access vlan 2

#

 snmp-agent

 snmp-agent local-engineid 800007DB00E0FC0000206877

 snmp-agent community read readname

 snmp-agent community write writename

 snmp-agent sys-info version all

 snmp-agent group v3 managev3group privacy write-view internet

 snmp-agent target-host trap address udp-domain 10.10.10.1 udp-port 5000 params securityname public

 snmp-agent mib-view included internet internet

 snmp-agent usm-user v3 managev3user managev3group authentication-mode md5 passmd5 privacy-mode des56 cfb128cfb128

#

Precautions

Authentication-related configuration on an NMS must be consistent with that on the devices for the NMS to manage the devices successfully.

RMON Configuration

Remote Monitoring (RMON) is a kind of MIB defined by Internet Engineering Task Force (IETF). It is an important enhancement to MIB II standards. RMON is mainly used to monitor the data traffic across a network segment or even the entire network, and is currently a commonly used network management standard.

Network Diagram

Figure 1-2 Network diagram for RMON configuration

 

Networking and Configuration Requirements

l          Before performing RMON configuration, make sure the SNMP agents are correctly configured.

l          The switch to be tested is connected to a terminal through the console port and to a remote NMS through the Internet. Create an entry in the extended alarm table to monitor the statistics on the Ethernet port. If the change rate of the entry exceeds the configured rising threshold or falling threshold, an alarm event will be triggered.

Applicable Product Matrix

Product series

Software version

Hardware version

S5600 series

Release 1510, Release1602

All versions

S5100-SI/EI series

Release 2200, Release2201

All versions

S3600-SI/EI series

Release 1510, Release1602

All versions

S3100-EI series

Release 2104, Release 2107

All versions

S3100-C-SI series

S3100-T-SI series

Release 0011, Release 2102, Release 2107

All versions

S3100-52P

Release 1500, Release 1602

S3100-52P

 

Configuration Procedure

# Create the statistics entry numbered 1 to take statistics on Ethernet 1/0/1.

<Sysname> system-view

[Sysname] interface Ethernet 1/0/1

[Sysname-Ethernet1/0/1] rmon statistics 1

[Sysname-Ethernet1/0/1] quit

# Add the event entries numbered 1 and 2 to the event table, which will be triggered by the following extended alarms.

[Sysname] rmon event 1 log

[Sysname] rmon event 2 trap 10.21.30.55

# Add an entry numbered 2 to the extended alarm table to allow the system to calculate the alarm variables with the (.1.3.6.1.2.1.16.1.1.1.9.1+.1.3.6.1.2.1.16.1.1.1.10.1) formula to get the numbers of all the oversize and undersize packets received by Ethernet 1/0/1 that are in correct data format and sample the numbers in every 10 seconds. When the change ratio between samples reaches the rising threshold of 50, event 1 is triggered; when the change ratio drops under the falling threshold, event 2 is triggered. Set the sampling type to forever and the owner of the alarm table to user1.

[Sysname] rmon prialarm 2 (.1.3.6.1.2.1.16.1.1.1.9.1+.1.3.6.1.2.1.16.1.1.1.10.1) test 10 changeratio rising_threshold 50 1 falling_threshold 5 2 entrytype forever owner user1

Complete Configuration

#

 rmon event 1 description null log owner null

 rmon event 2 description null trap 10.21.30.55 owner null

 rmon prialarm 2 (.1.3.6.1.2.1.16.1.1.1.9.1+.1.3.6.1.2.1.16.1.1.1.10.1) test 10 changeratio rising_threshold 50 1 falling_threshold 5 2 entrytype forever owner user1

#

interface Ethernet1/0/1

 rmon statistics 1 owner null

Precautions

None

 

 

 

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