vault backup: 2026-05-14 10:49:10
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---
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status: stable
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type: concept
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tags:
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- network
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- networking
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- protocols
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- dhcp
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created: 2025-12-17
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updated: 2026-05-07
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title: Настройка DHCP - Cisco
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---
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# Настройка DHCP - Cisco
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- **Исключение адресов из пула**
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```text-plain
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Router(config)# ip dhcp excluded-address 192.168.1.254
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Router(config)# ip dhcp excluded-address 192.168.1.1 192.168.1.9
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```
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- **Настройка DHCP-пула**
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```bash
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Router(config)# ip dhcp pool POOL-1 - создание пула
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Router(dhcp-config)# network 192.168.1.0 255.255.255.0
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Router(dhcp-config)# default-router 192.168.1.1
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Router(dhcp-config)# dns-server 192.168.1.2 - dns-сервер
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Router(dhcp-config)# domain-name merionet.ru - доменное имя
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Router(dhcp-config)# lease 2 - время аренды
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Router(dhcp-config)# show ip dhcp binding - ARP-таблица
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```
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- Ретрансляция DHCP (DHCP RELAY)
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```bash
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Router_2(config)# interface g0/0
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Router_2(config-if)# ip helper-address 192.168.1.1
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```
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- Настройка роутера как DHCP-клиента
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```text-plain
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Router_3(config)# interface g0/0
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Router_3(config-if)# ip address dhcp
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```
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