DHCP

nv show service dhcp-relay

Shows the IPv4 DHCP relay configuration on the switch.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-relay
           source-ip  Summary
---------  ---------  -----------------------
+ default  auto       gateway-interface: lo
  default             interface:        swp51
  default             interface:        swp52
  default             interface:        vlan10
  default             server:    172.16.1.102

nv show service dhcp-relay <vrf-id>

Shows the IPv4 DHCP relay configuration in the specified VRF.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-relay default
                     operational    applied      
-------------------  -------------  -------------
source-ip            auto           auto         
[gateway-interface]  swp2           swp2         
[interface]          peerlink.4094  peerlink.4094
[interface]          swp51          swp51        
[interface]          swp52          swp52        
[interface]          vlan10         vlan10       
[server]             172.16.1.102   172.16.1.102

nv show service dhcp-relay <vrf-id> agent

Shows DHCP Agent Information Option 82 configuration settings.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.

Version History

Introduced in Cumulus Linux 5.7.0

Example

cumulus@switch:~$ nv show service dhcp-relay default agent
                    applied          
------------------  -----------------
[remote-id]         44:38:39:BE:EF:AA
use-pif-circuit-id                   
  enable            on               
enable              on

nv show service dhcp-relay <vrf-id> agent remote-id

Shows the remote IDs configured for DHCP Agent Information Option 82.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.

Version History

Introduced in Cumulus Linux 5.7.0

Example

cumulus@switch:~$ nv show service dhcp-relay default agent remote-id
                    applied          
------------------  -----------------
[remote-id]         44:38:39:BE:EF:AA
use-pif-circuit-id                   
  enable            on               
enable              on

nv show service dhcp-relay <vrf-id> agent remote-id <remote-id>

Shows information about the specified remote ID configured for DHCP Agent Information Option 82.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<remote-id>`	The remote name.

Version History

Introduced in Cumulus Linux 5.7.0

Example

cumulus@switch:~$ nv show service dhcp-relay default agent remote-id 44:38:39:BE:EF:AA

nv show service dhcp-relay <vrf-id> agent use-pif-circuit-id

Shows if circuit ID is ON for DHCP Agent Information Option 82.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.

Version History

Introduced in Cumulus Linux 5.7.0

Example

cumulus@switch:~$ nv show service dhcp-relay default agent use-pif-circuit-id
        applied
------  -------
enable  on

nv show service dhcp-relay <vrf-id> gateway-interface <interface-id>

Shows the IPv4 DHCP relay gateway IP address interface configuration.

In Cumulus Linux 5.4 and earlier, this command is nv show service dhcp-relay <vrf-id> giaddress-interface <interface-id>

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<interface-id>`	The DHCP relay gateway address interface.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-relay default gateway-interface swp2
         operational  applied 
-------  -----------  --------
address  10.0.0.4     10.0.0.4

nv show service dhcp-relay <vrf-id> interface <interface-id>

Shows IPv4 DHCP relay configuration information for the interface that handles DHCP relay traffic.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<interface-id>`	The DHCP relay interface.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-relay default interface swp1

nv show service dhcp-relay <vrf-id> server <server-id>

Shows configuration information for the specified IPv4 DHCP server participating in DHCP relay.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<server-id>`	The DHCP server.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-relay default server 172.16.1.102

nv show service dhcp-relay6

Shows IPv6 DHVP relay configuration information on the switch.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-relay6
         Summary                            
-------  -----------------------------------
default  interface.downstream: peerlink.4094
         interface.downstream:        vlan10
         interface.upstream:           swp51

nv show service dhcp-relay6 <vrf-id>

Shows IPv6 DHVP relay configuration information in the specified VRF on the switch.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-relay6 default
                operational    applied      
--------------  -------------  -------------
interface                                   
  [downstream]  peerlink.4094  peerlink.4094
  [downstream]  vlan10         vlan10       
  [upstream]    swp51          swp51        
  [upstream]    swp52          swp52

nv show service dhcp-relay6 <vrf-id> interface

Shows the IPv6 DHCP relay interface configuration in the specified VRF.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-relay6 default interface
              operational    applied      
------------  -------------  -------------
[downstream]  peerlink.4094  peerlink.4094
[downstream]  vlan10         vlan10       
[upstream]    swp51          swp51        
[upstream]    swp52          swp52

nv show service dhcp-relay6 <vrf-id> interface downstream <interface-id>

Shows the downstream IPv6 DHCP relay interface configuration.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<interface-id>`	The DHCP relay interface.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-relay6 default interface downstream vlan10

nv show service dhcp-relay6 <vrf-id> interface upstream <interface-id>

Shows the upstream IPv6 DHCP relay interface configuration.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<interface-id>`	The DHCP relay interface.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-relay6 default interface upstream swp51
                operational      applied        
--------------  ---------------  ---------------
server-address  2001:db8:100::2  2001:db8:100::2

nv show service dhcp-server

Shows IPv4 DHCP server information.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server
         Summary           
-------  ------------------
default  interface:    swp1
         pool: 10.1.10.0/24
         static:    server1

nv show service dhcp-server <vrf-id>

Shows IPv4 DHCP server configuration information in the specified VRF.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server default
          operational   applied     
--------  ------------  ------------
[interface]  swp1          swp1        
[pool]       10.1.10.0/24  10.1.10.0/24
[static]     server1       server1

nv show service dhcp-server <vrf-id> domain-name

Shows the DNS attributes provided by the DHCP server in the specified VRF.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server default domain-name
             domain-name
--------     -----------
mydomain.com

nv show service dhcp-server <vrf-id> domain-name <domain-name-id>

Shows information about a specific DNS attribute provided by the DHCP server in the specified VRF.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<domain-name-id>`	The IPv4 DHCP domain name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server default domain-name mydomain.com

nv show service dhcp-server <vrf-id> domain-name-server

Shows DNS configuration provided by the DHCP server in the specified VRF.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server default domain-name-server

--------------
192.168.200.53

nv show service dhcp-server <vrf-id> domain-name-server <server-id>

Shows specific DNS server configuration provided by the DHCP server in the specified VRF.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<server-id>`	The DNS server.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server default domain-name-server 192.168.200.53

nv show service dhcp-server <vrf-id> interface

Shows a list of interfaces on which the IPv4 DHCP client attaches.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server default interface

----
swp1

nv show service dhcp-server <vrf-id> interface <interface-id>

Shows information about a specific interface on which the IPv4 DHCP client attaches.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<interface-id>`	The IPv4 DHCP client interface.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server default interface swp1

nv show service dhcp-server <vrf-id> pool

Shows a list of the IPv4 DHCP pool subnets and the applied configuration.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server default pool
              cumulus-provision-url  default-url  lease-time  ping-check  pool-name  Summary                           
------------  ---------------------  -----------  ----------  ----------  ---------  ----------------------------------
10.1.10.0/24                                      200000                             domain-name:           example.com
                                                                                     domain-name-server: 192.168.200.53
                                                                                     gateway:                 10.1.10.1
                                                                                     range:                 10.1.10.100

nv show service dhcp-server <vrf-id> pool <pool-id>

Shows information about a specific IPv4 DHCP pool subnet.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<pool-id>`	The DHCP pool subnet.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server default pool 10.1.10.0/24
                       operational     applied        
---------------------  --------------  ---------------
cumulus-provision-url                                 
default-url                                           
lease-time             200000          200000         
ping-check                             on             
pool-name                              storage-servers
[domain-name]          example.com     example.com    
[domain-name-server]   192.168.200.53  192.168.200.53 
[gateway]              10.1.10.1       10.1.10.1      
[range]                10.1.10.100     10.1.10.100

nv show service dhcp-server <vrf-id> pool <pool-id> domain-name

Shows the IPv4 DHCP domain names in the specified pool.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<pool-id>`	The DHCP pool subnet.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server default pool 10.1.10.0/24 domain-name
             domain-name
-----------  -----------
example.com

nv show service dhcp-server <vrf-id> pool <pool-id> domain-name <domain-name-id>

Shows information about a specific IPv4 DHCP domain name in the specified pool.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<pool-id>`	The DHCP pool subnet.
`<domain-name-id>`	The DHCP domain name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server default pool 10.1.10.0/24 domain-name example.com

nv show service dhcp-server <vrf-id> pool <pool-id> domain-name-server

Shows a list of the IPv4 DHCP domain name servers in the specified pool.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<pool-id>`	The DHCP pool subnet.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server default pool 10.1.10.0/24 domain-name-server

--------------
192.168.200.53

nv show service dhcp-server <vrf-id> pool <pool-id> domain-name-server <server-id>

Shows information about a specific IPv4 DHCP domain name server in the specified pool.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<pool-id>`	The DHCP pool subnet.
`<server-id>`	The DNS server IP address.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server default pool 10.1.10.0/24 domain-name-server 192.168.200.53

nv show service dhcp-server <vrf-id> pool <pool-id> gateway

Shows the IPv4 DHCP gateways in the specified pool.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<pool-id>`	The DHCP pool subnet.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server default pool 10.1.10.0/24 gateway
         
---------
10.1.10.1

nv show service dhcp-server <vrf-id> pool <pool-id> gateway <gateway-id>

Shows information about a specific IPv4 DHCP gateway in the specified pool.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<pool-id>`	The DHCP pool subnet.
`<gateway-id>`	The gateway IP address.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server default pool 10.1.10.0/24 gateway 10.1.10.1

nv show service dhcp-server <vrf-id> pool <pool-id> range

Shows the IPv4 DHCP IP address range assignments.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<pool-id>`	The DHCP pool subnet.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server default pool 10.1.10.0/24 range
             to         
-----------  -----------
10.1.10.100  10.1.10.199

nv show service dhcp-server <vrf-id> pool <pool-id> range <range-id>

Shows information about a specific IPv4 DHCP IP address range assignment.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<pool-id>`	The DHCP pool subnet.
`<range-id>`	The start of the IP address range.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server default pool 10.1.10.0/24 range 10.1.10.100
    operational  applied    
--  -----------  -----------
to  10.1.10.199  10.1.10.199

nv show service dhcp-server <vrf-id> static

Shows configuration for static hosts served by the DHCP server.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server default static
         cumulus-provision-url  host-id-circuit-id  ip-address  MAC address      
-------  ---------------------  ------------------  ----------  -----------------
server1                                             10.0.0.2    44:38:39:00:01:7e

nv show service dhcp-server <vrf-id> static <static-id>

Shows configuration for a specific static host served by the DHCP server.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<static-id>`	The IDN host name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server default static server1
             operational        applied          
-----------  -----------------  -----------------
ip-address   10.0.0.2           10.0.0.2         
mac-address  44:38:39:00:01:7e  44:38:39:00:01:7e

nv show service dhcp-server6

Shows IPv6 DHCP server information.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server6

nv show service dhcp-server6 <vrf-id>

Shows IPv6 DHCP server configuration information in the specified VRF.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server6 default

nv show service dhcp-server6 <vrf-id> domain-name

Shows the DNS attributes provided by the IPv6 DHCP server.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server6 default domain-name

nv show service dhcp-server6 <vrf-id> domain-name <domain-name-id>

Shows information about a specific DNS attribute provided by the IPv6 DHCP server.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<domain-name-id>`	The DHCP domain name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server6 default domain-name example.com

nv show service dhcp-server6 <vrf-id> domain-name-server

Shows the IPv6 domain name servers.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server6 default domain-name-server

nv show service dhcp-server6 <vrf-id> domain-name-server <server-id>

Shows information about a specific IPv6 domain name server.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<server-id>`	The IPv6 address of the DNS server.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server6 default domain-name-server 0:0:0:0:0:ffff:c0a8:c835

nv show service dhcp-server6 <vrf-id> interface

Shows the interfaces on which the IPv6 DHCP client attaches.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server6 default interface

nv show service dhcp-server6 <vrf-id> interface <interface-id>

Shows information about a specific interface on which the IPv6 DHCP client attaches.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<interface-id>`	The DHCP client interface.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server6 default interface swp1

nv show service dhcp-server6 <vrf-id> pool

Shows the configured IPv6 DHCP pool subnets.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server6 default

nv show service dhcp-server6 <vrf-id> pool <pool-id>

Shows information about a specific IPv6 DHCP pool subnet.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<pool-id>`	The DHCP6 pool subnet.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server6 default storage-servers

nv show service dhcp-server6 <vrf-id> pool <pool-id> domain-name

Shows information about the IPv6 DHCP domain names in the specified pool.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<pool-id>`	The DHCP6 pool subnet.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server6 default storage-servers domain-name

nv show service dhcp-server6 <vrf-id> pool <pool-id> domain-name <domain-name-id>

Shows information about a specific IPv6 DHCP domain name in the specified pool.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<pool-id>`	The DHCP6 pool subnet.
`<domain-name-id>`	The DHCP domain name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server6 default storage-servers domain-name example.com

nv show service dhcp-server6 <vrf-id> pool <pool-id> domain-name-server

Shows information about the IPv6 DHCP domain name servers in the specified pool.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<pool-id>`	The DHCP6 pool subnet.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server6 default storage-servers domain-name-server

nv show service dhcp-server6 <vrf-id> pool <pool-id> domain-name-server <server-id>

Shows information about a specific IPv6 DHCP domain name server in the specified pool.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<pool-id>`	The DHCP6 pool subnet.
`<server-id>`	The DNS server.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server6 default storage-servers domain-name-server 0:0:0:0:0:ffff:c0a8:c835

nv show service dhcp-server6 <vrf-id> pool <pool-id> range>

Shows the IPv6 DHCP IP address range assignments.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<pool-id>`	The DHCP6 pool subnet.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server6 default storage-servers range

nv show service dhcp-server6 <vrf-id> pool <pool-id> range <range-id>

Shows information about a specific IPv6 DHCP IP address range assignment.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<pool-id>`	The DHCP6 pool subnet.
`<range-id>`	The start of the IPv6 address range.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server6 default storage-servers range 0:0:0:0:0:ffff:0a01:0a64

nv show service dhcp-server6 <vrf-id> static

Shows configuration for static hosts served by the IPv6 DHCP server.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server6 default static

nv show service dhcp-server6 <vrf-id> static <static-id>

Shows configuration for a specific static host served by the IPv6 DHCP server.

Command Syntax

Syntax	Description
`<vrf-id>`	The VRF name.
`<static-id>`	The IDN hostname.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show service dhcp-server6 default static server1