Difference between revisions of "Cisco IOS DHCP Server configuration"
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↑ https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipaddr/command/ipaddr-cr-book/ipaddr-l1.html#wp3986925401
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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/ | ||
| − | + | 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]] 192.168.0.1 192.168.0.47 |
| − | cisco_ios_sw(config)#ip dhcp | + | 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 | + | [[ip dhcp]] pool YOUR_POOL_NAME |
[[import]] all | [[import]] all | ||
| − | network 10.10.10.0 255.255.255.0 | + | [[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 | ||
| − | dns-server 10.10.10.1 | + | dns-server 10.10.10.1 [[8.8.8.8]] |
[[lease]] 2 | [[lease]] 2 | ||
.../... | .../... | ||
| − | + | == [[Cisco IOS: Static IPs in DHCP]] == | |
== Commands == | == Commands == | ||
| Line 32: | Line 31: | ||
* <code>[[show dhcp server]]</code> | * <code>[[show dhcp server]]</code> | ||
* <code>[[show ip dhcp conflict]]</code> | * <code>[[show ip dhcp conflict]]</code> | ||
| − | * <code>[[lease]]</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> | * <code>[[lease infinite]]</code> | ||
* <code> [[nbtstat]]</code> | * <code> [[nbtstat]]</code> | ||
* <code>[[debug ip]] [[dhcp]] server packet</code> | * <code>[[debug ip]] [[dhcp]] server packet</code> | ||
| − | + | * <code>[[debug ip dhcp server]]</code> | |
== Activities == | == Activities == | ||
| Line 44: | Line 43: | ||
== Related terms == | == Related terms == | ||
* <code>[[client-identifier]]</code> | * <code>[[client-identifier]]</code> | ||
| + | * <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]
show ip dhcp poolorshow ip dhcp pool <name>show ip dhcp bindingshow ip dhcp server statisticsshow dhcp servershow ip dhcp conflictlease(duration of the lease in days [1])lease infinitenbtstatdebug ip dhcp server packetdebug ip dhcp server
Activities[edit]
- 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[edit]
client-identifierJun 6 14:50:40.456: %DHCPD-4-PING_CONFLICT: DHCP address conflict: server pinged 10.10.xxx.xxx.
See also[edit]
- DHCP: Cisco IOS DHCP Server,
isc-dhcp-server (dhcpd.conf),ip dhcp poolshow ip dhcp pool,show ip dhcp binding,show ip dhcp conflict,show ip dhcp server statistics, DHCP snooping,client-identifier,hardware-address,show ip dhcp,ip link,dhcpcd,AWS::EC2::DHCPOptions, dhclient, systemd-networkd - Configure a DHCP server for your network
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