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Configuring Port Link Flap Detection If left unresolved, link flapping can be detrimental to network stability by triggering Spanning Tree and routing table recalculations. 6. Licensing Advanced Features Table 4-3 Advanced Configuration (continued) Task Refer to Configure RIP. Since the admin key for the LAG and its associated ports must agree for the LAG to form, an easy way to ensure that LAGs do not automatically form is to set the admin key for all LAGS on all devices to a nondefault value. Configuring Syslog If, for any reason, an event that is to be sent to the secure log gets dropped, resulting in the failure to record the event, an SNMP trap will be generated. 7 Configuring System Power and PoE This chapter describes how to configure Redundant Power Supply mode on the C5 and G-Series switches, and how to configure Power over Ethernet (PoE) on platforms that support PoE. Procedure 25-5 Neighbor Discovery Configuration Step Task Command(s) 1. There are a couple of restrictions on the use of stub areas. Thisexampleenablesmulticastfloodprotection. For both DVMRP and PIM-SM for IPv4 to operate, IGMP must be enabled. DHCP snooping forwards valid DHCP client messages received on non-routing VLANs. All routers with the same VRID should be configured with the same advertisement interval. set multiauth idle-timeout auth-method timeout 2. You can also use the colon notation like this: 80:00:07:e5:80:4f:19:00:00:d2:32:aa:40 5. The sources DR registers (that is, encapsulates) and sends multicast data from the source directly to the RP via a unicast routing protocol (number 1 in figure). TodisplayordeleteswitchARPtableentries,andtodisplayMACaddressinformation. The directed broadcast address includes the network or subnet fields, with the binary bits of the host portion of the address set to one. Thefollowingtabledescribestheoutputfields. The default password is set to a blank string. (Optional) Configure the allocation mode for system power available for PoE. Routing Interfaces Example The following example shows how to enable RIP on the switch, then configure VLAN 1 with IP address 192.168.63.1 255.255.255.0 as a routing interface and enable RIP on the interface. Configuring SNMP Procedure 12-2 SNMPv3 Configuration (continued) Step Task Command(s) 6. Getting Help The following icons are used in this guide: Note: Calls the readers attention to any item of information that may be of special importance. User Authentication Overview When the maptable response is set to tunnel mode, the system will use the tunnel attributes in the RADIUS reply to apply a VLAN to the authenticating user and will ignore any Filter-ID attributes in the RADIUS reply. On all switching devices, the default Spanning Tree version is set to MSTP (802.1s) mode. The trap indicates port, SID and loop protection status. Spanning TreeConfiguration Guide Supermicro L2/L3 Switches Configuration Guide 5 Spanning tree enabled switches exchange spanning tree protocol messages (BPDU) to form a loop-free topology. Use the no command to reset the IGMP last member query interval to the default value of 1 second. Display the current timeout period for aging learned MAC entries/ show mac agetime 3. Configuring Authentication Optionally Enable Guest Network Privileges With PWA enhanced mode enabled, you can optionally configure guest networking privileges. If the upstream routers outbound list is now empty, it may send a prune message to its upstream router. Plan, implement IT security. VLAN authorization status Enables or disables globally and per port VLAN authorization. set dhcpsnooping vlan vlan-list enable 3. Configuring Cisco Discovery Protocol Table 13-3 Enterasys Discovery Protocol Configuration Commands (continued) Task Command Reset Enterasys Discovery Protocol settings to defaults. Create the following SNMP view group configurations. 10 Configuring User Authentication This chapter describes the user authentication methods supported by Enterasys fixed switch platforms. set tacacs singleconnect enable To disable the use of a single TCP connection, use the set tacacs singleconnect disable command. Use the set sntp trustedkey command to add an authentication key to the trusted key list. Use the show users command to display information for active console port or Telnet sessions on the switch. Refer to page Link Aggregation Overview 11-1 Configuring Link Aggregation 11-9 Link Aggregation Configuration Example 11-11 Terms and Definitions 11-15 Link Aggregation Overview IEEE 802.3ad link aggregation provides a standardized means of grouping multiple parallel Ethernet interfaces into a single logical Layer 2 link. C5(su)->router(Config)#show access-lists 120 Extended IP access list 120 1: deny ip 20.0.0.1 0.0.255.255 any 2: deny ip 30.0.0.1 0.0.255.255 any 3: deny ip 40.0.0.1 0.0.255.255 any 4: permit ip any any C5(su)->router(Config)#no access-list 120 2 3 C5(su)->router(Config)#show access-lists 120 Extended IP access list 120 1: deny ip 20.0.0.1 0.0.255. When bridges are added to or removed from the network, root election takes place and port roles are recalculated. Interpreting Messages For more information on how to configure these basic settings, refer to Syslog Command Precedence on page 14-8, and the Configuration Examples on page 14-12. lacptimeout - Transmitting LACP PDUs every 30 seconds. User logs in via console <164>Apr 21 08:44:13 10.27.12. C5(rw)->show users Session User Location -------- ----- -------------------------* console telnet admin console (via com.1.1) rw 134.141. Policy classification Classification rules are automatically enabled when created. Refer to the CLI Reference for your platform for command details. Forwarding is enabled by default ipv6 forwarding Set the value of the hop limit field in IPv6 packets originated by this device. With cloud management, thousands of switch ports can be configured and monitored instantly over the web. Enable or disable MAC authentication globally on the device. Procedure 5-1 Creating a New Read-Write or Read-Only User Account Step Task Command(s) 1. TACACS+ Procedure 26-3 MAC Locking Configuration (continued) Step Task Command(s) 7. Refer to page Configuring RIP 21-1 Configuring IRDP 21-5 Configuring RIP Using RIP in Your Network The fixed switches support Routing Information Protocol (RIP) Version 1 and 2. Configuring PoE Stackable B5 and C5 Devices Procedure 7-2 PoE Configuration for Stackable B5 and C5 Devices Step Task Command(s) 1. set lacp aadminkey port-string value 5. VLAN Support on Enterasys Switches If a unicast untagged frame is received on Port 5, it would be classified for VLAN 50. Usethiscommandtodisplayportwebauthenticationinformationforoneormoreports. Link Aggregation Overview Note: A given link is allocated to, at most, one LAG at a time. Configuring Link Aggregation Procedure 11-1 Configuring Link Aggregation (continued) Step Task Command(s) 4. Switch Configuration Using WebView; Switch Configuration Using CLI Commands; Port Traffic Rate Limiting You can mix WRR and SP by assigning SP to the higher numbered queues and assigning WRR to the lower numbered queues, making sure that the values assigned to the WRR queues totals 100 percent. 1 Setting Up a Switch for the First Time This chapter describes how to configure an Enterasys stackable or standalone Fixed Switch received from the factory that has not been previously configured. Configuring RMON This section provides details for the configuration of RMON on the Fixed Switch products. Refer to page SNMP Concepts 2. Basic Network Monitoring Features 18-1 RMON 18-5 sFlow 18-9 Basic Network Monitoring Features Console/Telnet History Buffer The history buffer lets you recall your previous CLI input. Use the dir command to display the contents of the images directory. Configuring SNMP Subtree OID Subtree mask View Type Storage type Row status = = = = = 1.3.6.1.2.1 View Name Subtree OID Subtree mask View Type Storage type Row status = = = = = = All 1.3.6.1.2.1.2 included nonVolatile active excluded nonVolatile active You can test this configuration using any MIB browser directed to the IP of the configured device and using the default community name public associated with the view All. The Extreme switch does not use it and does not assert CTS. ipv6 route distance pref 3. C5(rw)->set dhcp pool manual3 client-identifier 01:00:01:22:33:44:55 C5(rw)->set dhcp pool manual3 host 10.12.1.10 255.255.255.0 C5(rw)->set dhcp pool manual3 lease infinite Configuring Additional Pool Parameters Table 4-8 lists the commands that can be used to configure additional IP address pool parameters. 2. Configuration Examples Enabling a Server and Console Logging Procedure 14-1 shows how you would complete a basic Syslog configuration. . Configure DHCP snooping. If it is not a command issue you might want to check your tftp server. Functions and Features Supported on Enterasys Devices Functions and Features Supported on Enterasys Devices Spanning Tree Versions MSTP and RSTP automatically detect the version of Spanning Tree being used on a LAN. The physical ports will initially retain admin key defaults. If the device supports routing, enter router configuration mode and configure an IP address on the VLAN interface. A feature exists to allow the creation of a single port LAG that is disabled by default. Enter MIB option 6 (destroy) and perform an SNMP Set operation. Figure 23-3 Multi-Backup VRRP Configuration Example 172.111.0.0/18 Default Gateway 172.111.1.1 ge.1.1 VLAN 111 172.111.1.1/16 172.111.128.0/18 Default Gateway 172.111.1.150 172.111.64.0/18 Default Gateway 172.111.1.50 VRID 1 172.111.1.1 VRID 2 172.111.1.50 VRID 3 172.111.1.150 Router R1 ge.1.1 VLAN 111 172.111.1.2/16 Router R2 ge.1.2 172.200.2. Quality of Service Overview There are up to four areas of CoS configuration depending on what type of hardware resource you want to configure. Ifportstringisnotspecified,PWAinformationwillbedisplayedforallports. 2. set txqmonitor downtime seconds The default value is 0, meaning that disabled ports will remain disabled until cleared manually or until their next link state transition. Note: For security, you may wish to disable Telnet and only use SSH. For ports where no authentication is present, such as switch to switch, or switch to router connections, you should also set MultiAuth port mode to force authenticate to assure that traffic is not blocked by a failed authentication. Fiber ports always have a status of MDIX. Since there is no way to tell whether a graft message was lost or the source has stopped sending, each graft message is acknowledged hop-by-hop. ACL Configuration Overview Creating ACL Rules ACL rules define the basis upon which a hit will take place for the ACL. Upon receipt, the RADIUS client software will calculate its own authenticator response using the information that was passed in the MS-CHAP2-Response attribute and the user's passed clear text password. show mgmt-auth-notify 2. Table 17-1 CoS Configuration Terminology Term Description CoS Setting Maps configured resources to a CoS index. With the exception of A4 ACLs, all ACLs are terminated with an implicit deny all rule. RMON Table 18-2 Default RMON Parameters (continued) Parameter Description Default Value capture asksize The RMON capture requested maximum octets to save in the buffer. set snmp user v3user remote 800007e5804f190000d232aa40 privacy despasswd authentication md5 md5passwd Note: You can omit the 0x from the EngineID. Important Notice Depending on the firmware version used on your Fixed Switch platform, some features described in this document may not be supported. Using the Command Line Interface commands without optional parameters, the defaults section lists None. i Notice Enterasys Networks reserves the right to make changes in specif ications and other information co ntained in this document and its web site without prior notice. Enter router interface configuration command mode for the specified interface from global configuration command mode. Table 15-5 on page 15-19 defines the characteristics of each MSTI. Display the routing table, including static routes. SSH Overview on page 4-24 Configure the Dynamic Host Configuration Protocol (DHCP) server. Table 9-1 Default VLAN Parameters Parameter Description Default Value garp timers Configures the three GARP timers. 5. The hello interval is the period between transmissions of hello packet advertisements. Routers R1 and R2 are both configured with one virtual router (VRID 1). The two switches are connected to one another with a high speed link. Configuring Policy Table 16-4 Non-Edge Protocols (continued) Protocol Policy Effect Web Server Protocol Stop malicious proxies and application-layer attacks by ensuring only the right Web servers can connect from the right location at the right time, by blocking HTTP on the source port for this device. Set the minimum rate (in packets per second) of transmitted packets in a sampling interval. Assigning Port Costs Each interface has a Spanning Tree port cost associated with it, which helps to determine the quickest path between the root bridge and a specified destination. RIP is described in RFC 2453. access-list ipv6 name {deny | permit} protocol {srcipv6-addr/ prefix-length | any} [eq port] {dstipv6-addr/prefix-length | any} [eq port] [dscp dscp] [flow-label label-value] [assign-queue queue-id] 4. Creates a CoS setting of index 55. Table 15-2 provides a summary of STP port roles. Enterasys Switch: List of Devices # Model Type of Document; 1: Enterasys I3H252: Enterasys Switch I3H252 Hardware installation manual (78 pages) 2: Enterasys I Series: A code example follows the procedure. Configuring Policy Table 16-5 on page 16-11 describes how to display policy information and statistics. MultiAuth idle-timeout Specifies the period length for which no traffic is received before a MultiAuth session is set to idle. Figure 15-5 on page 15-11 presents a root port configuration for Bridge B determined by the port priority setting. Router: Calls the readers attention to router-specific commands and information. 1 second hello interval The period between transmissions of hello packet advertisements. Port Mirroring Remote port mirroring is an extension to port mirroring which facilitates simultaneous mirroring of multiple source ports on multiple switches across a network to one or more remote destination ports. Three ICMP probes will be transmitted for each hop between the source and the traceroute destination. Save Your System Configuration Settings. The trap generation will be done using the Enterasys Syslog Client MIB notification etsysSyslogSecureLogDroppedMsgNotification. Can you upload files from other sources? Configuring PIM-SM PIM-SM is an advanced routing feature that must be enabled with a license key. It is auto configured with the cost of the intra-area path between the two ABRs that make up the virtuallink. Display Telnet status show telnet 3. Using Multicast in Your Network Table 19-1 PIM-SM Message Types (continued) Message Type Description Join/Prune (J/P) These messages contain information on group membership received from downstream routers. Prepare high/low level design & solution. Configuring Authentication Authentication Required Authentication methods are active on the port, based on the global and per port authentication method configured.