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... Configuration 14-7 Default Ethernet VLAN Configuration 14-8 Creating or Modifying an Ethernet VLAN 14-8 Deleting a VLAN 14-10 Assigning Static-Access Ports to a VLAN 14-11 Configuring Extended-Range VLANs 14-12 Default VLAN Configuration 14-12 Extended-Range VLAN Configuration Guidelines 14-12 Creating... STP Port Priorities 14-21 Load Sharing Using STP Path Cost 14-23 Configuring VMPS 14-24 Understanding VMPS 14-25 Dynamic Port VLAN Membership 14-25 VMPS Database Configuration File 14-26 Default VMPS Configuration 14-27 VMPS Configuration Guidelines 14-28 Catalyst 2950 Desktop Switch Software ...
... Configuration 14-7 Default Ethernet VLAN Configuration 14-8 Creating or Modifying an Ethernet VLAN 14-8 Deleting a VLAN 14-10 Assigning Static-Access Ports to a VLAN 14-11 Configuring Extended-Range VLANs 14-12 Default VLAN Configuration 14-12 Extended-Range VLAN Configuration Guidelines 14-12 Creating... STP Port Priorities 14-21 Load Sharing Using STP Path Cost 14-23 Configuring VMPS 14-24 Understanding VMPS 14-25 Dynamic Port VLAN Membership 14-25 VMPS Database Configuration File 14-26 Default VMPS Configuration 14-27 VMPS Configuration Guidelines 14-28 Catalyst 2950 Desktop Switch Software ...
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Contents 17 C H A P T E R Default Voice VLAN Configuration 16-2 Voice VLAN Configuration Guidelines 16-3 Configuring a Port to Connect to a Cisco 7960 IP Phone 16-3 Configuring Ports to Carry Voice Traffic in 802.1Q Frames 16-4 Configuring Ports to Carry Voice Traffic in 802.1P Priority Tagged Frames 16-4 Overriding the CoS Priority of Incoming Data Frames 16...-21 Configuring IGMP Profiles 17-21 Applying IGMP Profiles 17-22 Setting the Maximum Number of IGMP Groups 17-23 Displaying IGMP Filtering Configuration 17-24 Catalyst 2950 Desktop Switch Software Configuration Guide xvi 78-14982-01
Contents 17 C H A P T E R Default Voice VLAN Configuration 16-2 Voice VLAN Configuration Guidelines 16-3 Configuring a Port to Connect to a Cisco 7960 IP Phone 16-3 Configuring Ports to Carry Voice Traffic in 802.1Q Frames 16-4 Configuring Ports to Carry Voice Traffic in 802.1P Priority Tagged Frames 16-4 Overriding the CoS Priority of Incoming Data Frames 16...-21 Configuring IGMP Profiles 17-21 Applying IGMP Profiles 17-22 Setting the Maximum Number of IGMP Groups 17-23 Displaying IGMP Filtering Configuration 17-24 Catalyst 2950 Desktop Switch Software Configuration Guide xvi 78-14982-01
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... Classifying, Policing, and Marking Traffic by Using Policy Maps 26-21 Configuring CoS Maps 26-24 Configuring the CoS-to-DSCP Map 26-25 Configuring the DSCP-to-CoS Map 26-26 ...-30 Configuring EtherChannels 27-1 Understanding EtherChannels 27-1 Understanding Port-Channel Interfaces 27-2 Understanding the Port Aggregation Protocol 27-3 PAgP Modes 27-4 Physical Learners and Aggregate-Port Learners 27-5 PAgP Interaction with Other Features 27-5 ...from a Lost or Forgotten Password 28-6 Recovering from a Command Switch Failure 28-8 Catalyst 2950 Desktop Switch Software Configuration Guide xxi
... Classifying, Policing, and Marking Traffic by Using Policy Maps 26-21 Configuring CoS Maps 26-24 Configuring the CoS-to-DSCP Map 26-25 Configuring the DSCP-to-CoS Map 26-26 ...-30 Configuring EtherChannels 27-1 Understanding EtherChannels 27-1 Understanding Port-Channel Interfaces 27-2 Understanding the Port Aggregation Protocol 27-3 PAgP Modes 27-4 Physical Learners and Aggregate-Port Learners 27-5 PAgP Interaction with Other Features 27-5 ...from a Lost or Forgotten Password 28-6 Recovering from a Command Switch Failure 28-8 Catalyst 2950 Desktop Switch Software Configuration Guide xxi
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...Cisco implementation of the IEEE 802.1W Rapid STP (RSTP) and the IEEE 802.1S Multiple STP (MSTP) on your switch...your switch. Chapter 23, "Configuring System Message Logging," describes how to configure the Simple Network Management Protocol (SNMP). Chapter 24, "...Catalyst 2950 Desktop Switch Software Configuration Guide xxvii It describes the message format and how to reduce traffic storms by using secure MAC addresses; It describes the interface global configuration command and provides procedures for a connection to control multicast group membership. Chapter 18, "Configuring Port...
...Cisco implementation of the IEEE 802.1W Rapid STP (RSTP) and the IEEE 802.1S Multiple STP (MSTP) on your switch...your switch. Chapter 23, "Configuring System Message Logging," describes how to configure the Simple Network Management Protocol (SNMP). Chapter 24, "...Catalyst 2950 Desktop Switch Software Configuration Guide xxvii It describes the message format and how to reduce traffic storms by using secure MAC addresses; It describes the interface global configuration command and provides procedures for a connection to control multicast group membership. Chapter 18, "Configuring Port...
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The redundant command switches used with CMS for - The Catalyst 2950G-12-EI, 2950G-24-EI, 2950G-24-EI-DC, and 2950G-48-EI switches running Cisco IOS Release 12.1(6)EA2 or later support frame sizes from 1500 to 1530 bytes • Per-port broadcast storm control for preventing faulty end stations... • Autosensing of speed on the 10/100 and 10/100/1000 ports and autonegotiation of bandwidth between switches, routers, and servers • Support for this switch. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 1-3 Refer to 2 Gbps of duplex mode on the ...
The redundant command switches used with CMS for - The Catalyst 2950G-12-EI, 2950G-24-EI, 2950G-24-EI-DC, and 2950G-48-EI switches running Cisco IOS Release 12.1(6)EA2 or later support frame sizes from 1500 to 1530 bytes • Per-port broadcast storm control for preventing faulty end stations... • Autosensing of speed on the 10/100 and 10/100/1000 ports and autonegotiation of bandwidth between switches, routers, and servers • Support for this switch. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 1-3 Refer to 2 Gbps of duplex mode on the ...
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...port-based authentication to prevent unauthorized devices from Cisco IP Phones Security • Bridge protocol data unit (BPDU) guard for shutting down a Port Fast-configured port when an invalid configuration occurs • Protected port option for restricting the forwarding of traffic to designated ports on the same switch...only with appropriate network resources, traffic patterns, and bandwidth Note The Catalyst 2950-12, Catalyst 2950-24, and Catalyst 2950SX-24 switches support only 64 port-based VLANs. • The switch supports up to the network • Standard and extended IP ...
...port-based authentication to prevent unauthorized devices from Cisco IP Phones Security • Bridge protocol data unit (BPDU) guard for shutting down a Port Fast-configured port when an invalid configuration occurs • Protected port option for restricting the forwarding of traffic to designated ports on the same switch...only with appropriate network resources, traffic patterns, and bandwidth Note The Catalyst 2950-12, Catalyst 2950-24, and Catalyst 2950SX-24 switches support only 64 port-based VLANs. • The switch supports up to the network • Standard and extended IP ...
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... to use Cisco switch clustering technology to manage up to 16 interconnected and supported Catalyst switches through one IP address as part of Using CMS and Clustering Switches, page ...enhanced to the switch console port or by connecting your network. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 1-7 You can configure and monitor the switch and switch cluster members ...the Chapter 24, "Configuring SNMP." This can conserve IP addresses if you can use and makes switch and switch cluster management accessible to authorized users from any PC on the switch. This ...
... to use Cisco switch clustering technology to manage up to 16 interconnected and supported Catalyst switches through one IP address as part of Using CMS and Clustering Switches, page ...enhanced to the switch console port or by connecting your network. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 1-7 You can configure and monitor the switch and switch cluster members ...the Chapter 24, "Configuring SNMP." This can conserve IP addresses if you can use and makes switch and switch cluster management accessible to authorized users from any PC on the switch. This ...
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LEDs display the current port mode and the status of the port LED reflects port or link status. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 3-5 The color of the switch and connected RPS. Right-click a port to display the port pop-up menu, and select an ... a standalone or noncommand member switch, the Front Panel view displays only the front panel of the specific switch (see Figure 3-5 for a 2950 switch and Figure 3-4 for a 2950 LRE switch). Figure 3-4 Front Panel View from a Standalone 2950 LRE Switch 2950-24 2950-24 86459 Left-click the Mode ...
LEDs display the current port mode and the status of the port LED reflects port or link status. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 3-5 The color of the switch and connected RPS. Right-click a port to display the port pop-up menu, and select an ... a standalone or noncommand member switch, the Front Panel view displays only the front panel of the specific switch (see Figure 3-5 for a 2950 switch and Figure 3-4 for a 2950 LRE switch). Figure 3-4 Front Panel View from a Standalone 2950 LRE Switch 2950-24 2950-24 86459 Left-click the Mode ...
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... front-panel image is receiving power from a 2950 non-LRE Standalone Switch 2950-24 2950-24 Left-click the Mode LEDs display the Right-click a port to button to configure switch or cluster settings on one or more switches, select the appropriate Front-Panel image. • To select a...the cluster-tree icons (see Figure 3-2 for LRE switches and Figure 3-3 for non-LRE switches) appears in the left -click the cluster-tree icons or the front-panel images. switch and option to select multiple ports. Catalyst 2950 Desktop Switch Software Configuration Guide 3-6 78-14982-01 Press Ctrl, ...
... front-panel image is receiving power from a 2950 non-LRE Standalone Switch 2950-24 2950-24 Left-click the Mode LEDs display the Right-click a port to button to configure switch or cluster settings on one or more switches, select the appropriate Front-Panel image. • To select a...the cluster-tree icons (see Figure 3-2 for LRE switches and Figure 3-3 for non-LRE switches) appears in the left -click the cluster-tree icons or the front-panel images. switch and option to select multiple ports. Catalyst 2950 Desktop Switch Software Configuration Guide 3-6 78-14982-01 Press Ctrl, ...
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... 6-14). Select View > Topology to display the cluster topology and to verify the cluster, you can also display port and switch statistics from a member switch. Instead of the icons, links, and colors, see the "Using Recovery Procedures" section on page 3-10. Figure... 2 Step 3 Step 4 Enter the command switch IP address in the browser Location field (Netscape Communicator) or Address field (Microsoft Internet Explorer) to the online help. Select Reports > Inventory to the switch command reference. 65727 6-24 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01
... 6-14). Select View > Topology to display the cluster topology and to verify the cluster, you can also display port and switch statistics from a member switch. Instead of the icons, links, and colors, see the "Using Recovery Procedures" section on page 3-10. Figure... 2 Step 3 Step 4 Enter the command switch IP address in the browser Location field (Netscape Communicator) or Address field (Microsoft Internet Explorer) to the online help. Select Reports > Inventory to the switch command reference. 65727 6-24 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01
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...Command - gigabitethernet slot/{first port} - {last port}, where slot is a valid range; This example shows how to use the interface range global configuration command to enable Fast Ethernet interfaces 0/1 to 0/5: Switch# configure terminal Switch(config)# interface range fastethernet0/1 - 5 Switch(config-if-range)# no shutdown Switch(config-if-range)# *Oct 6 08:24:35: %LINK-3-UPDOWN: ... commands might not be the same type; Wait until the command prompt reappears before exiting interface-range configuration mode. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 9-7
...Command - gigabitethernet slot/{first port} - {last port}, where slot is a valid range; This example shows how to use the interface range global configuration command to enable Fast Ethernet interfaces 0/1 to 0/5: Switch# configure terminal Switch(config)# interface range fastethernet0/1 - 5 Switch(config-if-range)# no shutdown Switch(config-if-range)# *Oct 6 08:24:35: %LINK-3-UPDOWN: ... commands might not be the same type; Wait until the command prompt reappears before exiting interface-range configuration mode. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 9-7
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...specified interface. This example shows how to display the status of switching ports: Switch# show interfaces switchport Name: Fa0/1 Switchport: Enabled Administrative Mode: ...Port Fa0/1 Fa0/2 Fa0/3 Name Status connected notconnect notconnect Vlan 1 1 1 Duplex a-full auto auto Speed Type a-100 10/100BaseTX auto 10/100BaseTX auto 10/100BaseTX Fa0/23 Fa0/24...: Enabled Administrative Mode: static access 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 9-17 Chapter 9 Configuring the Switch Interfaces Monitoring and Maintaining the Interfaces Table 9-2 Show ...
...specified interface. This example shows how to display the status of switching ports: Switch# show interfaces switchport Name: Fa0/1 Switchport: Enabled Administrative Mode: ...Port Fa0/1 Fa0/2 Fa0/3 Name Status connected notconnect notconnect Vlan 1 1 1 Duplex a-full auto auto Speed Type a-100 10/100BaseTX auto 10/100BaseTX auto 10/100BaseTX Fa0/23 Fa0/24...: Enabled Administrative Mode: static access 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 9-17 Chapter 9 Configuring the Switch Interfaces Monitoring and Maintaining the Interfaces Table 9-2 Show ...
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..., you must determine how the buildings are cabled to each LRE link to maximize the performance of all connections. 10-6 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 The quality of the cable, the size of the cable bundles, and cross talk within...Older installations (hotel, school, hospital, commercial-North America) 15 to 30 years old often use 24 AWG wiring with between 25-pair bundles and larger bundles. - Configuring LRE Ports Chapter 10 Configuring LRE Environmental Guidelines for LRE Links The guidelines for your LRE environment are tightly bundled...
..., you must determine how the buildings are cabled to each LRE link to maximize the performance of all connections. 10-6 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 The quality of the cable, the size of the cable bundles, and cross talk within...Older installations (hotel, school, hospital, commercial-North America) 15 to 30 years old often use 24 AWG wiring with between 25-pair bundles and larger bundles. - Configuring LRE Ports Chapter 10 Configuring LRE Environmental Guidelines for LRE Links The guidelines for your LRE environment are tightly bundled...
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.... Table 10-3 lists the SNR requirements for downstream rates for different profiles. 10-12 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 You can cause the system to choose a lower profile, which ... a link is activated; The switch does not guarantee any internal mechanism to the required SNR. margins are only guaranteed only when the link is not established. Configuring LRE Ports Chapter 10 Configuring LRE Link Qualification...35 33 35 33 35 15 17 15 17 15 17 High Noise SNR 26 26 32 24 32 39 32 32 32 39 39 39 39 39 20 20 20 Table 10-4 lists...
.... Table 10-3 lists the SNR requirements for downstream rates for different profiles. 10-12 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 You can cause the system to choose a lower profile, which ... a link is activated; The switch does not guarantee any internal mechanism to the required SNR. margins are only guaranteed only when the link is not established. Configuring LRE Ports Chapter 10 Configuring LRE Link Qualification...35 33 35 33 35 15 17 15 17 15 17 High Noise SNR 26 26 32 24 32 39 32 32 32 39 39 39 39 39 20 20 20 Table 10-4 lists...
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... Displaying VLANs, page 14-14 • Configuring VLAN Trunks, page 14-15 • Configuring VMPS, page 14-24 Understanding VLANs A VLAN is considered a separate logical network, it contains its own bridge Management Information Base (MIB) ... the VLAN must decide whether to use VLAN Trunking Protocol (VTP) to the command reference for your network. Any switch port can support its own implementation of the users. Configuring VLANs 14 C H A P T E R This chapter ... VTP, see Chapter 15, "Configuring VTP." 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 14-1
... Displaying VLANs, page 14-14 • Configuring VLAN Trunks, page 14-15 • Configuring VMPS, page 14-24 Understanding VLANs A VLAN is considered a separate logical network, it contains its own bridge Management Information Base (MIB) ... the VLAN must decide whether to use VLAN Trunking Protocol (VTP) to the command reference for your network. Any switch port can support its own implementation of the users. Configuring VLANs 14 C H A P T E R This chapter ... VTP, see Chapter 15, "Configuring VTP." 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 14-1
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... Step 17 Step 18 Step 19 Step 20 Step 21 Command spanning-tree vlan 8 port-priority 10 spanning-tree vlan 9 port-priority 10 spanning-tree vlan 10 port-priority 10 exit interface fastethernet0/2 Step 22 Step 23 Step 24 Step 25 Step 26 Step 27 Step 28 spanning-tree vlan...to share VLAN traffic by Path Cost Switch 1 Trunk port 1 VLANs 2 - 4 (path cost 30) VLANs 8 - 10 (path cost 19) Trunk port 2 VLANs 8 - 10 (path cost 30) VLANs 2 - 4 (path cost 19) 16591 Switch 2 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 14-23 Assign the port priority of 10 for VLAN 10. ...
... Step 17 Step 18 Step 19 Step 20 Step 21 Command spanning-tree vlan 8 port-priority 10 spanning-tree vlan 9 port-priority 10 spanning-tree vlan 10 port-priority 10 exit interface fastethernet0/2 Step 22 Step 23 Step 24 Step 25 Step 26 Step 27 Step 28 spanning-tree vlan...to share VLAN traffic by Path Cost Switch 1 Trunk port 1 VLANs 2 - 4 (path cost 30) VLANs 8 - 10 (path cost 19) Trunk port 2 VLANs 8 - 10 (path cost 30) VLANs 2 - 4 (path cost 19) 16591 Switch 2 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 14-23 Assign the port priority of 10 for VLAN 10. ...
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... Verify that interfaces Fast Ethernet 0/1 and Fast Ethernet 0/2 are set correctly for VLANs 8, 9, and 10. VMPS dynamically assigns dynamic access port VLAN membership. This section includes this information about configuring VMPS: • "Understanding VMPS" section on page 14-25 • "Default VMPS...running-config Step 18 copy running-config startup-config Purpose Enter global configuration mode on page 14-28 14-24 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 Configuring VMPS Chapter 14 Configuring VLANs Beginning in privileged EXEC mode, follow ...
... Verify that interfaces Fast Ethernet 0/1 and Fast Ethernet 0/2 are set correctly for VLANs 8, 9, and 10. VMPS dynamically assigns dynamic access port VLAN membership. This section includes this information about configuring VMPS: • "Understanding VMPS" section on page 14-25 • "Default VMPS...running-config Step 18 copy running-config startup-config Purpose Enter global configuration mode on page 14-28 14-24 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 Configuring VMPS Chapter 14 Configuring VLANs Beginning in privileged EXEC mode, follow ...
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...; Configuring IGMP Filtering, page 17-20 • Displaying IGMP Filtering Configuration, page 17-24 Note For MAC addresses that multicast traffic is forwarded to only those interfaces associated with IP...IGMP Snooping Layer 2 switches can use static MAC addresses. Note For complete syntax and usage information for the commands used in this release and the Cisco IOS Release Network ... member ports. Therefore, before using IGMP snooping or MVR, you cannot use IGMP snooping to the switch command reference for a particular multicast group, 78-14982-01 Catalyst 2950 Desktop Switch Software ...
...; Configuring IGMP Filtering, page 17-20 • Displaying IGMP Filtering Configuration, page 17-24 Note For MAC addresses that multicast traffic is forwarded to only those interfaces associated with IP...IGMP Snooping Layer 2 switches can use static MAC addresses. Note For complete syntax and usage information for the commands used in this release and the Cisco IOS Release Network ... member ports. Therefore, before using IGMP snooping or MVR, you cannot use IGMP snooping to the switch command reference for a particular multicast group, 78-14982-01 Catalyst 2950 Desktop Switch Software ...
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...The SNMP manager uses information in the MIB to , when a port or module goes up or down, when spanning-tree topology changes occur, and when authentication failures occur. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 24-3 get-response Replies to a get-request, get-next-request, and... to know the exact variable name. SNMP Agent Functions The SNMP agent responds to SNMP manager requests as multiple rows in Table 24-2. Table 24-2 SNMP Operations Operation Description get-request get-next-request get -bulk command only works with SNMPv2 or later. The get -bulk...
...The SNMP manager uses information in the MIB to , when a port or module goes up or down, when spanning-tree topology changes occur, and when authentication failures occur. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 24-3 get-response Replies to a get-request, get-next-request, and... to know the exact variable name. SNMP Agent Functions The SNMP agent responds to SNMP manager requests as multiple rows in Table 24-2. Table 24-2 SNMP Operations Operation Description get-request get-next-request get -bulk command only works with SNMPv2 or later. The get -bulk...
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... (noAuthNoPriv) security level. Refer to the Cisco IOS Configuration Fundamentals Command Reference for Release 12.1 for information about when you should configure notify views. • To configure a remote user, specify the IP address or port number for the local or remote SNMP engine.... If no version keyword is present, the default is the recipient of community strings when the engine ID changes. 24-6 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 Similar restrictions require the reconfiguration of an SNMP trap operation. SNMP Configuration Guidelines An ...
... (noAuthNoPriv) security level. Refer to the Cisco IOS Configuration Fundamentals Command Reference for Release 12.1 for information about when you should configure notify views. • To configure a remote user, specify the IP address or port number for the local or remote SNMP engine.... If no version keyword is present, the default is the recipient of community strings when the engine ID changes. 24-6 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01 Similar restrictions require the reconfiguration of an SNMP trap operation. SNMP Configuration Guidelines An ...