CLI Reference Guide-R07
Table Of Contents
- How to Use This Guide
- Contents
- Tables
- Getting Started
- Initial Switch Configuration
- Connecting to the Switch
- Configuring the Switch for Remote Management
- Configuring the Switch for Cloud Management
- Enabling SNMP Management Access
- Managing System Files
- Automatic Installation of Operation Code and Configuration Settings
- Downloading a Configuration File and Other Parameters from a DHCP Server
- Setting the System Clock
- Initial Switch Configuration
- Command Line Interface
- Using the Command Line Interface
- General Commands
- System Management Commands
- SNMP Commands
- Remote Monitoring Commands
- Flow Sampling Commands
- Authentication Commands
- General Security Measures
- Port Security
- Network Access (MAC Address Authentication)
- network-access aging
- network-access mac-filter
- mac-authentication reauth-time
- network-access dynamic-qos
- network-access dynamic-vlan
- network-access guest-vlan
- network-access max- mac-count
- network-access mode mac-authentication
- network-access port- mac-filter
- mac-authentication intrusion-action
- mac-authentication max-mac-count
- clear network-access
- show network-access
- show network-access mac-address-table
- show network-access mac-filter
- Web Authentication
- DHCPv4 Snooping
- ip dhcp snooping
- ip dhcp snooping information option
- ip dhcp snooping information option encode no-subtype
- ip dhcp snooping information option remote-id
- ip dhcp snooping information option tr101 board-id
- ip dhcp snooping information policy
- ip dhcp snooping verify mac-address
- ip dhcp snooping vlan
- ip dhcp snooping information option circuit-id
- ip dhcp snooping max-number
- ip dhcp snooping trust
- clear ip dhcp snooping binding
- clear ip dhcp snooping database flash
- ip dhcp snooping database flash
- show ip dhcp snooping
- show ip dhcp snooping binding
- IPv4 Source Guard
- ARP Inspection
- ip arp inspection
- ip arp inspection filter
- ip arp inspection log-buffer logs
- ip arp inspection validate
- ip arp inspection vlan
- ip arp inspection limit
- ip arp inspection trust
- show ip arp inspection configuration
- show ip arp inspection interface
- show ip arp inspection log
- show ip arp inspection statistics
- show ip arp inspection vlan
- Denial of Service Protection
- Port-based Traffic Segmentation
- Access Control Lists
- Interface Commands
- Link Aggregation Commands
- Power over Ethernet Commands
- Port Mirroring Commands
- Congestion Control Commands
- Loopback Detection Commands
- Address Table Commands
- Smart Pair Commands
- Spanning Tree Commands
- spanning-tree
- spanning-tree cisco-prestandard
- spanning-tree forward-time
- spanning-tree hello-time
- spanning-tree max-age
- spanning-tree mode
- spanning-tree mst configuration
- spanning-tree pathcost method
- spanning-tree priority
- spanning-tree system-bpdu-flooding
- spanning-tree transmission-limit
- max-hops
- mst priority
- mst vlan
- name
- revision
- spanning-tree bpdu-filter
- spanning-tree bpdu-guard
- spanning-tree cost
- spanning-tree edge-port
- spanning-tree link-type
- spanning-tree loopback-detection
- spanning-tree loopback-detection action
- spanning-tree loopback-detection release-mode
- spanning-tree loopback-detection trap
- spanning-tree mst cost
- spanning-tree mst port-priority
- spanning-tree port-bpdu-flooding
- spanning-tree port-priority
- spanning-tree root-guard
- spanning-tree spanning-disabled
- spanning-tree tc-prop-stop
- spanning-tree loopback-detection release
- spanning-tree protocol-migration
- show spanning-tree
- show spanning-tree mst configuration
- VLAN Commands
- Class of Service Commands
- Quality of Service Commands
- Multicast Filtering Commands
- IGMP Snooping
- ip igmp snooping
- ip igmp snooping mrouter-forward- mode dynamic
- ip igmp snooping proxy-reporting
- ip igmp snooping querier
- ip igmp snooping router-alert-option- check
- ip igmp snooping router-port- expire-time
- ip igmp snooping tcn-flood
- ip igmp snooping tcn-query-solicit
- ip igmp snooping unregistered-data- flood
- ip igmp snooping unsolicited-report- interval
- ip igmp snooping version
- ip igmp snooping version-exclusive
- ip igmp snooping vlan general-query- suppression
- ip igmp snooping vlan immediate-leave
- ip igmp snooping vlan last-memb-query- count
- ip igmp snooping vlan last-memb-query- intvl
- ip igmp snooping vlan mrd
- ip igmp snooping vlan proxy-address
- ip igmp snooping vlan query-interval
- ip igmp snooping vlan query-resp-intvl
- ip igmp snooping vlan static
- clear ip igmp snooping groups dynamic
- clear ip igmp snooping statistics
- show ip igmp snooping
- show ip igmp snooping group
- show ip igmp snooping mrouter
- show ip igmp snooping statistics
- Static Multicast Routing
- IGMP Filtering and Throttling
- MLD Snooping
- ipv6 mld snooping
- ipv6 mld snooping proxy-reporting
- ipv6 mld snooping querier
- ipv6 mld snooping query-interval
- ipv6 mld snooping query-max-response- time
- ipv6 mld snooping robustness
- ipv6 mld snooping router-port- expire-time
- ipv6 mld snooping unknown-multicast mode
- ipv6 mld snooping unsolicited-report- interval
- ipv6 mld snooping version
- ipv6 mld snooping vlan immediate-leave
- ipv6 mld snooping vlan mrouter
- ipv6 mld snooping vlan static
- clear ipv6 mld snooping groups dynamic
- clear ipv6 mld snooping statistics
- show ipv6 mld snooping
- show ipv6 mld snooping group
- show ipv6 mld snooping mrouter
- show ipv6 mld snooping statistics
- MLD Filtering and Throttling
- IGMP Snooping
- LLDP Commands
- lldp
- lldp holdtime-multiplier
- lldp med-fast-start- count
- lldp notification-interval
- lldp refresh-interval
- lldp reinit-delay
- lldp tx-delay
- lldp admin-status
- lldp basic-tlv management-ip- address
- lldp basic-tlv port-description
- lldp basic-tlv system-capabilities
- lldp basic-tlv system-description
- lldp basic-tlv system-name
- lldp dot1-tlv proto-ident
- lldp dot1-tlv proto-vid
- lldp dot1-tlv pvid
- lldp dot1-tlv vlan-name
- lldp dot3-tlv link-agg
- lldp dot3-tlv mac-phy
- lldp dot3-tlv max-frame
- lldp dot3-tlv poe
- lldp med-location civic-addr
- lldp med-notification
- lldp med-tlv ext-poe
- lldp med-tlv inventory
- lldp med-tlv location
- lldp med-tlv med-cap
- lldp med-tlv network-policy
- lldp notification
- show lldp config
- show lldp info local-device
- show lldp info remote-device
- show lldp info statistics
- Domain Name Service Commands
- DHCP Commands (IPv4 and IPv6)
- IP Interface Commands
- IP Routing Commands
- Global Routing Configuration
- Routing Information Protocol (RIP)
- router rip
- default-information originate
- default-metric
- distance
- maximum-prefix
- neighbor
- network
- passive-interface
- redistribute
- timers basic
- version
- ip rip authentication mode
- ip rip authentication string
- ip rip receive version
- ip rip receive-packet
- ip rip send version
- ip rip send-packet
- ip rip split-horizon
- clear ip rip route
- clear ip rip statistics
- show ip protocols rip
- show ip rip
- Appendices
- Glossary
- Commands
Chapter 25
| Domain Name Service Commands
DNS Commands
– 619 –
ip domain-lookup This command enables DNS host name-to-address translation. Use the no form to
disable DNS.
Syntax
[no] ip domain-lookup
Default Setting
Disabled
Command Mode
Global Configuration
Command Usage
◆ At least one name server must be specified before DNS can be enabled.
◆ If one or more name servers are configured, but DNS is not yet enabled and the
switch receives a DHCP packet containing a DNS field with a list of DNS servers,
then the switch will automatically enabled DNS host name-to-address
translation.
◆ If all name servers are deleted, DNS will automatically be disabled.
Example
This example enables DNS and then displays the configuration.
Console(config)#ip domain-lookup
Console(config)#end
Console#show dns
Domain Lookup Status:
DNS Enabled
Default Domain Name:
sample.com
Domain Name List:
sample.com.jp
sample.com.uk
Name Server List:
192.168.1.55
10.1.0.55
Console#
Related Commands
ip domain-name (620)
ip name-server (621)