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Milan Technology MIL-SM24004TG Filtering IP Addresses for Management Access

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Configuring the Switch

3-50

3

CLI – This example displays the 802.1X statistics for port 4.

Filtering IP Addresses for Management Access

You can create a list of up to 16 IP addresses or IP address groups that are allowed

management access to the switch through the web interface, SNMP, or Telnet.

Command Usage

• The management interfaces are open to all IP addresses by default. Once you add

an entry to a filter list, access to that interface is restricted to the specified

addresses.

• If anyone tries to access a management interface on the switch from an invalid

address, the switch will reject the connection, enter an event message in the

system log, and send a trap message to the trap manager.

• IP address can be configured for SNMP, web and Telnet access respectively. Each

of these groups can include up to five different sets of addresses, either individual

addresses or address ranges.

• When entering addresses for the same group (i.e., SNMP, web or Telnet), the

switch will not accept overlapping address ranges. When entering addresses for

different groups, the switch will accept overlapping address ranges.

• You cannot delete an individual address from a specified range. You must delete

the entire range, and reenter the addresses.

• You can delete an address range just by specifying the start address, or by

specifying both the start address and end address.

Command Attributes

•Web IP Filter – Configures IP address(es) for the web group.

•SNMP IP Filter – Configures IP address(es) for the SNMP group.

•Telnet IP Filter – Configures IP address(es) for the Telnet group.

•IP Filter List – IP address which are allowed management access to this interface.

•Start IP Address – A single IP address, or the starting address of a range.

•End IP Address – The end address of a range.

Console#show dot1x statistics interface ethernet 1/4 4-84

Eth 1/4

Rx: EAPOL EAPOL EAPOL EAPOL EAP EAP EAP

Start Logoff Invalid Total Resp/Id Resp/Oth LenError

2 0 0 1007 672 0 0

Last Last

EAPOLVer EAPOLSrc

1 00-00-E8-98-73-21

Tx: EAPOL EAP EAP

Total Req/Id Req/Oth

2017 1005 0

Console#

Contents

Main Page i ii Contents Page Page Page Page Page Page Page Page Page Page Page Tables Page Figures Page Page Page 1-1 Chapter 1: Introduction Key Features Table 1-1. Key Features 1-2 Description of Software Features Description of Software Features 1-3 1-4 System Defaults 1-5 System Defaults 1-6 System Defaults 1-7 Page 2-1 Chapter 2: Initial Configuration Connecting to the Switch Configuration Options 2-2 Required Connections 2-3 Remote Connections Basic Configuration Console Connection 2-4 Setting Passwords Setting an IP Address Manual Configuration 2-5 Dynamic Configuration 2-6 Enabling SNMP Management Access Community Strings 2-7 Trap Receivers Saving Configuration Settings 2-8 Managing System Files 3-1 Chapter 3: Configuring the Switch Using the Web Interface Navigating the Web Browser Interface Home Page 3-3 Configuration Options Panel Display 3-4 Main Menu 3-5 3-6 3-7 Page 3-9 Basic Configuration Displaying System Information 3-10 Displaying Switch Hardware/Software Versions 3-11 Displaying Bridge Extension Capabilities 3-12 3-13 Setting the Switchs IP Address Page 3-15 Using DHCP/BOOTP 3-16 Managing Firmware Downloading System Software from a Server 3-17 Saving or Restoring Configuration Settings 3-18 Downloading Configuration Settings from a Server 3-19 Configuring Event Logging System Log Configuration 3-20 Remote Log Configuration 3-21 3-22 Displaying Log Messages 3-23 Sending Simple Mail Transfer Protocol Alerts Page 3-25 Resetting the System 3-26 Setting the System Clock Configuring SNTP 3-27 Setting the Time Zone 3-28 Simple Network Management Protocol Setting Community Access Strings Simple Network Management Protocol 3-29 Specifying Trap Managers and Trap Types 3-30 User Authentication Configuring the Logon Password 3-31 Configuring Local/Remote Logon Authentication 3-32 Page 3-34 Configuring HTTPS 3-35 Replacing the Default Secure-site Certificate 3-36 Configuring the Secure Shell 3-37 3-38 Generating the Host Key Pair 3-39 3-40 Configuring the SSH Server 3-41 Configuring Port Security 3-42 3-43 Configuring 802.1X Port Authentication 3-44 Displaying 802.1X Global Settings 3-45 Web Click Security, 802.1X, Information. Figure3-26 802.1X Information 3-46 Configuring 802.1X Global Settings 3-47 Configuring Port Authorization Mode 3-48 Displaying 802.1X Statistics 3-49 3-50 Filtering IP Addresses for Management Access 3-51 Figure3-30 IP Filter CLI This example allows SNMP access for a specific client. 3-52 Access Control Lists Configuring Access Control Lists 3-53 Setting the ACL Name and Type Configuring a Standard IP ACL 3-54 Configuring an Extended IP ACL 3-55 3-56 3-57 Configuring a MAC ACL Page 3-59 Configuring ACL Masks Specifying the Mask Type 3-60 Configuring an IP ACL Mask 3-61 3-62 Configuring a MAC ACL Mask 3-63 Binding a Port to an Access Control List 3-64 Port Configuration Displaying Connection Status 3-65 3-66 3-67 Configuring Interface Connections 3-68 3-69 Creating Trunk Groups 3-70 Statically Configuring a Trunk } active links statically configured 3-71 Enabling LACP on Selected Ports } } 3-72 Figure3-42 LACP Trunk Configuration 3-73 Configuring LACP Parameters Page 3-75 3-76 Displaying LACP Port Counters CLI The following example displays LACP counters for port channel 1. You can display statistics for LACP protocol messages. 3-77 Displaying LACP Settings and Status for the Local Side 3-78 Figure3-45 LACP - Por t Internal Information 3-79 Displaying LACP Settings and Status for the Remote Side 3-80 Setting Broadcast Storm Thresholds 3-81 Figure3-47 Port Broadcast Control 3-82 Configuring Port Mirroring 3-83 Configuring Rate Limits 3-84 Showing Port Statistics 3-85 3-86 Page 3-88 Address Table Settings Setting Static Addresses Address Table Settings 3-89 Displaying the Address Table Page 3-91 Changing the Aging Time Spanning Tree Algorithm Configuration 3-92 Displaying Global Settings x x 3-93 3-94 3-95 This command displays global STA settings, followed by settings for each port CLI . Note: Configuring Global Settings 3-97 3-98 Page 3-100 Displaying Interface Settings x x 3-101 3-102 3-103 Configuring Interface Settings 3-104 3-105 Configuring Multiple Spanning Trees 3-106 3-107 CLI This displays STA settings for instance 1, followed by settings for each port. CLI This example sets the priority for MSTI 1, and adds VLANs 1-5 to this MSTI. 3-108 Displaying Interface Settings for MSTP 3-109 Configuring Interface Settings for MSTP 3-110 3-111 VLAN Configuration IEEE 802.1Q VLANs Assigning Ports to VLANs 3-112 3-113 Forwarding Tagged/Untagged Frames 3-114 Enabling or Disabling GVRP (Global Setting) Displaying Basic VLAN Information 3-115 Displaying Current VLANs 3-116 Creating VLANs 3-117 Adding Static Members to VLANs (VLAN Index) 3-118 3-119 Adding Static Members to VLANs (Port Index) Configuring VLAN Behavior for Interfaces 3-120 3-121 3-122 Configuring Private VLANs x Enabling Private VLANs 3-123 Configuring Uplink and Downlink Ports Configuring Protocol-Based VLANs 3-124 Configuring Protocol Groups Mapping Protocols to VLANs 3-125 3-126 Class of Service Configuration Layer 2 Queue Settings Setting the Default Priority for Interfaces 3-127 Figure3-72 Default Port Priority CLI This example assigns a default priority of 5 to port 3. 3-128 Mapping CoS Values to Egress Queues 3-129 Selecting the Queue Mode 3-130 Setting the Service Weight for Traffic Classes 3-131 Figure3-75 Queue Scheduling CLI The following example shows how to assign WRR weights to each of the priority queues. 3-132 Layer 3/4 Priority Settings Mapping Layer 3/4 Priorities to CoS Values Selecting IP Precedence/DSCP Priority 3-133 Mapping IP Precedence 3-134 Mapping DSCP Priority 3-135 Figure3-78 IP DSCP Priority 3-136 Mapping IP Port Priority 3-137 Mapping CoS Values to ACLs 3-138 Changing Priorities Based on ACL Rules 3-139 3-140 Multicast Filtering Layer 2 IGMP (Snooping and Query) 3-141 Configuring IGMP Snooping and Query Parameters 3-142 Figure3-83 IGMP Configuration 3-143 Displaying Interfaces Attached to a Multicast Router Specifying Static Interfaces for a Multicast Router 3-144 Displaying Port Members of Multicast Services 3-145 Assigning Ports to Multicast Services 3-146 Configuring Domain Name Service 3-147 Configuring General DNS Server Parameters 3-148 3-149 Configuring Static DNS Host to Address Entries 3-150 3-151 Displaying the DNS Cache 3-152 CLI - This example displays all the resource records learned from the designated name servers. 4-1 Chapter 4: Command Line Interface Using the Command Line Interface Accessing the CLI Console Connection Telnet Connection 4-2 4-3 Entering Commands Keywords and Arguments Minimum Abbreviation Command Completion Getting Help on Commands 4-4 Showing Commands The command show interfaces ? will display the following information: 4-5 Partial Keyword Lookup Negating the Effect of Commands Using Command History 4-6 Understanding Command Modes Exec Commands 4-7 Configuration Commands 4-8 Table 4-2 Configuration Command Modes 4-9 Command Line Processing 4-10 Command Groups 4-11 Line Commands 4-12 line login 4-13 password 4-14 exec-timeout 4-15 password-thresh silent-time 4-16 databits 4-17 parity speed 4-18 stopbits disconnect 4-19 show line 4-20 General Commands enable General Commands 4-21 disable configure 4-22 show history reload General Commands 4-23 end exit 4-24 System Management Commands 4-25 Device Designation Commands prompt hostname 4-26 User Access Commands username 4-27 enable password 4-28 IP Filter Commands management 4-29 show management 4-30 Web Server Commands ip http port ip http server 4-31 ip http secure-server 4-32 ip http secure-port 4-33 Telnet Server Commands ip telnet port ip telnet server 4-34 Secure Shell Commands 4-35 4-36 ip ssh server 4-37 ip ssh timeout ip ssh authentication-retries 4-38 ip ssh server-key size delete public-key 4-39 ip ssh crypto host-key generate ip ssh crypto zeroize 4-40 ip ssh save host-key show ip ssh 4-41 Example show ssh Table 4-16 show ssh - display description 4-42 show public-key 4-43 Event Logging Commands logging on 4-44 logging history 4-45 logging host logging facility 4-46 logging trap clear logging 4-47 show logging 4-48 The following example displays settings for the trap function. Related Commands show logging sendmail (4-51) SMTP Alert Commands Table 4-20 show logging trap - display description Table 4-21 SMTP Alert Commands 4-49 logging sendmail host logging sendmail level 4-50 logging sendmail source-email logging sendmail destination-email 4-51 logging sendmail show logging sendmail 4-52 Time Commands sntp client 4-53 sntp server 4-54 sntp poll show sntp 4-55 clock timezone calendar set 4-56 show calendar 4-57 System Status Commands show startup-config 4-58 show running-config 4-59 4-60 show system 4-61 show users show version 4-62 Frame Size Commands jumbo frame 4-63 Flash/File Commands copy 4-64 4-65 delete 4-66 dir 4-67 whichboot boot system 4-68 Authentication Commands 4-69 Authentication Sequence authentication login 4-70 authentication enable 4-71 RADIUS Client radius-server host radius-server port 4-72 radius-server key radius-server retransmit 4-73 radius-server timeout show radius-server 4-74 TACACS+ Client tacacs-server host tacacs-server port 4-75 tacacs-server key show tacacs-server 4-76 Port Security Commands port security 4-77 4-78 802.1X Port Authentication dot1x system-auth-control 4-79 authentication dot1x default dot1x default dot1x max-req 4-80 dot1x port-control 4-81 dot1x operation-mode 4-82 dot1x re-authenticate dot1x re-authentication dot1x timeout quiet-period 4-83 dot1x timeout re-authperiod dot1x timeout tx-period 4-84 show dot1x 4-85 4-86 Access Control List Commands IP ACLs 4-87 4-88 access-list ip 4-89 permit, deny (Standard ACL) 4-90 permit, deny (Extended ACL) 4-91 4-92 show ip access-list access-list ip mask-precedence 4-93 mask (IP ACL) 4-94 4-95 4-96 show access-list ip mask-precedence 4-97 ip access-group show ip access-group 4-98 map access-list ip 4-99 show map access-list ip match access-list ip 4-100 show marking 4-101 MAC ACLs access-list mac 4-102 permit, deny (MAC ACL) 4-103 show mac access-list 4-104 access-list mac mask-precedence 4-105 mask (MAC ACL) 4-106 This example creates an Egress MAC ACL. 4-107 show access-list mac mask-precedence mac access-group 4-108 show mac access-group map access-list mac 4-109 show map access-list mac 4-110 match access-list mac 4-111 ACL Information show access-list show access-group 4-112 SNMP Commands snmp-server community SNMP Commands 4-113 snmp-server contact snmp-server location 4-114 snmp-server host SNMP Commands 4-115 snmp-server enable traps show snmp 4-116 4-117 DNS Commands ip host 4-118 clear host ip domain-name 4-119 ip domain-list 4-120 ip name-server 4-121 ip domain-lookup 4-122 show hosts 4-123 show dns show dns cache Page 4-125 Interface Commands interface 4-126 description speed-duplex 4-127 negotiation 4-128 capabilities 4-129 flowcontrol 4-130 combo-forced-mode shutdown 4-131 switchport broadcast packet-rate 4-132 clear counters 4-133 show interfaces status 4-134 show interfaces counters 4-135 show interfaces switchport 4-136 Mirror Port Commands port monitor Mirror Port Commands 4-137 show port monitor 4-138 Rate Limit Commands rate-limit 4-139 Link Aggregation Commands 4-140 channel-group 4-141 lacp 4-142 lacp system-priority 4-143 lacp admin-key (Ethernet Interface) 4-144 lacp admin-key (Port Channel) lacp port-priority 4-145 show lacp 4-146 Table 4-47 show lacp counters - display description 4-147 Table 4-48 show lacp internal - display description 4-148 Table 4-49 show lacp neighbors - display description Address Table Commands 4-149 Address Table Commands Table 4-50 show lacp sysid - display description Table 4-51 Address Table Commands 4-150 mac-address-table static Address Table Commands 4-151 clear mac-address-table dynamic show mac-address-table 4-152 mac-address-table aging-time show mac-address-table aging-time 4-153 Spanning Tree Commands 4-154 spanning-tree spanning-tree mode 4-155 spanning-tree forward-time 4-156 spanning-tree hello-time 4-157 spanning-tree max-age spanning-tree priority 4-158 spanning-tree pathcost method 4-159 spanning-tree transmission-limit spanning-tree mst configuration 4-160 mst vlan 4-161 mst priority name 4-162 revision 4-163 max-hops spanning-tree spanning-disabled 4-164 spanning-tree cost spanning-tree port-priority 4-165 spanning-tree edge-port 4-166 spanning-tree portfast 4-167 spanning-tree link-type spanning-tree mst cost 4-168 spanning-tree mst port-priority 4-169 spanning-tree protocol-migration 4-170 show spanning-tree 4-171 show spanning-tree mst configuration 4-172 VLAN Commands Editing VLAN Groups vlan database 4-173 vlan 4-174 Configuring VLAN Interfaces interface vlan 4-175 switchport mode 4-176 switchport acceptable-frame-types switchport ingress-filtering 4-177 switchport native vlan 4-178 switchport allowed vlan 4-179 switchport forbidden vlan 4-180 Displaying VLAN Information show vlan 4-181 Configuring Private VLANs pvlan 4-182 show pvlan Configuring Protocol-based VLANs 4-183 protocol-vlan protocol-group (Configuring Groups) protocol-vlan protocol-group (Configuring Interfaces) 4-184 show protocol-vlan protocol-group 4-185 show interfaces protocol-vlan protocol-group 4-186 GVRP and Bridge Extension Commands bridge-ext gvrp GVRP and Bridge Extension Commands 4-187 show bridge-ext switchport gvrp 4-188 show gvrp configuration garp timer GVRP and Bridge Extension Commands 4-189 show garp timer 4-190 Priority Commands Priority Commands (Layer 2) 4-191 queue mode 4-192 switchport priority default 4-193 queue bandwidth queue cos-map 4-194 show queue mode 4-195 show queue bandwidth show queue cos-map 4-196 Priority Commands (Layer 3 and 4) map ip port (Global Configuration) 4-197 map ip port (Interface Configuration) map ip precedence (Global Configuration) 4-198 map ip precedence (Interface Configuration) 4-199 map ip dscp (Global Configuration) map ip dscp (Interface Configuration) 4-200 show map ip port 4-201 show map ip precedence 4-202 show map ip dscp 4-203 Multicast Filtering Commands 4-204 IGMP Snooping Commands ip igmp snooping ip igmp snooping vlan static 4-205 ip igmp snooping version show ip igmp snooping 4-206 show mac-address-table multicast 4-207 IGMP Query Commands (Layer 2) ip igmp snooping querier ip igmp snooping query-count 4-208 ip igmp snooping query-interval 4-209 ip igmp snooping query-max-response-time ip igmp snooping router-port-expire-time 4-210 Static Multicast Routing Commands ip igmp snooping vlan mrouter 4-211 show ip igmp snooping mrouter 4-212 IP Interface Commands ip address IP Interface Commands 4-213 ip dhcp restart 4-214 ip default-gateway show ip interface IP Interface Commands 4-215 show ip redirects ping 4-216 A-1 Appendix A: Software Specifications Software Features Software Specifications A-2 A Management Features Standards Management Information Bases A-3 A Management Information Bases Page B-1 Appendix B: Troubleshooting Problems Accessing the Management Interface TableB-1 Troubleshooting Chart Troubleshooting B-2 B Using System Logs Glossary Page Page Page Page Page Index Index-1 Numerics A B Index-2 Index I J L Index-3 Index R S T U