Difference between revisions of "Cisco IOS DHCP Server configuration"

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[[Cisco IOS]] [[Dynamic Host Configuration Protocol|DHCP]] Server configuration: https://study-ccna.com/configure-cisco-router-as-dhcp-server/
 
[[Cisco IOS]] [[Dynamic Host Configuration Protocol|DHCP]] Server configuration: https://study-ccna.com/configure-cisco-router-as-dhcp-server/
  
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<pre>
+
Global configuration, not local to dhcp pool.
−
cisco_ios_sw(config)#ip dhcp excluded-address 192.168.0.1 192.168.0.47
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cisco_ios_sw(config)#[[ip dhcp excluded-address]] 192.168.0.1 192.168.0.47
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cisco_ios_sw(config)#ip dhcp pool YOUR_DHCP_POOLNAME
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cisco_ios_sw(config)#[[ip dhcp excluded-address]] 192.168.5.47
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cisco_ios_sw(dhcp-config)#network 192.168.0.0 255.255.255.0
 
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cisco_ios_sw(dhcp-config)#default-router 192.168.0.1
 
−
cisco_ios_sw(dhcp-config)#dns-server 192.168.0.1
 
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</pre>
 
  
 +
cisco_ios_sw(config)#ip dhcp pool YOUR_DHCP_POOLNAME
 +
cisco_ios_sw(dhcp-config)#network 192.168.0.0 255.255.255.0
 +
cisco_ios_sw(dhcp-config)#default-router 192.168.0.1
 +
cisco_ios_sw(dhcp-config)#dns-server 192.168.0.1
  
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<code>[[show running-config]]</code>
 
  
 +
[[show running-config]]
 
  .../...
 
  .../...
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  ip dhcp pool YOUR_POOL_NAME
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  [[ip dhcp]] pool YOUR_POOL_NAME
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   import all
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   [[import]] all
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   network 10.10.10.0 255.255.255.0
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   [[network]] 10.10.10.0 255.255.255.0
 
   default-router 10.10.10.1  
 
   default-router 10.10.10.1  
 
   domain-name YOUR_DOMAIN.COM
 
   domain-name YOUR_DOMAIN.COM
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   dns-server 10.10.10.1  
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   dns-server 10.10.10.1 [[8.8.8.8]]
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   lease 2
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   [[lease]] 2
 
  .../...
 
  .../...
  
  
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+
== [[Cisco IOS: Static IPs in DHCP]] ==
  
 
== Commands ==
 
== Commands ==
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* <code>[[show ip dhcp server statistics]]</code>
 
* <code>[[show ip dhcp server statistics]]</code>
 
* <code>[[show dhcp server]]</code>
 
* <code>[[show dhcp server]]</code>
 +
* <code>[[show ip dhcp conflict]]</code>
 +
* <code>[[lease]]</code> (duration of the lease in days <ref>https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipaddr/command/ipaddr-cr-book/ipaddr-l1.html#wp3986925401</ref>)
 +
* <code>[[lease infinite]]</code>
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* <code> [[nbtstat]]</code>
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* <code>[[debug ip]] [[dhcp]] server packet</code>
 +
* <code>[[debug ip dhcp server]]</code>
 +
 +
== Activities ==
 +
* Read verify and troubleshooting DHCP configuration: https://www.ciscopress.com/articles/article.asp?p=1574301&seqNum=6
 +
* Read https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipaddr_dhcp/configuration/xe-3se/3850/dhcp-xe-3se-3850-book/config-dhcp-server.html#GUID-0EF9A43F-98F1-4FD4-B232-151508AD397C
 +
 +
== Related terms ==
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* <code>[[client-identifier]]</code>
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* <code>Jun  6 14:50:40.456: %DHCPD-4-PING_CONFLICT: '''DHCP address conflict''':  server pinged 10.10.xxx.xxx.</code>
  
 
== See also ==
 
== See also ==

Latest revision as of 08:09, 22 April 2021

Cisco IOS DHCP Server configuration: https://study-ccna.com/configure-cisco-router-as-dhcp-server/

Global configuration, not local to dhcp pool. 

cisco_ios_sw(config)#ip dhcp excluded-address 192.168.0.1 192.168.0.47
cisco_ios_sw(config)#ip dhcp excluded-address 192.168.5.47

cisco_ios_sw(config)#ip dhcp pool YOUR_DHCP_POOLNAME
cisco_ios_sw(dhcp-config)#network 192.168.0.0 255.255.255.0
cisco_ios_sw(dhcp-config)#default-router 192.168.0.1
cisco_ios_sw(dhcp-config)#dns-server 192.168.0.1



show running-config
.../...
ip dhcp pool YOUR_POOL_NAME
 import all
 network 10.10.10.0 255.255.255.0
 default-router 10.10.10.1 
 domain-name YOUR_DOMAIN.COM
 dns-server 10.10.10.1 8.8.8.8
 lease 2
.../...


Cisco IOS: Static IPs in DHCP[edit]

Commands[edit]

Activities[edit]

Related terms[edit]

  • client-identifier
  • Jun 6 14:50:40.456: %DHCPD-4-PING_CONFLICT: DHCP address conflict: server pinged 10.10.xxx.xxx.

See also[edit]

  • ↑ https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipaddr/command/ipaddr-cr-book/ipaddr-l1.html#wp3986925401
    • Retrieved from "https://www.wikieduonline.com/index.php?title=Cisco_IOS_DHCP_Server_configuration&oldid=58082"

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