overrides (DHCP Relay Agent)
语法
overrides { allow-no-end-option; allow-snooped-clients; always-write-giaddr; always-write-option-82; asymmetric-lease-time seconds; asymmetric-prefix-lease-time seconds; client-discover-match <option60-and-option82 | incoming-interface>; client-negotiation-match incoming-interface; delay-authentication; delete-binding-on-renegotiation; disable-relay; dual-stack dual-stack-group-name; interface-client-limit number; layer2-unicast-replies; no-allow-snooped-clients; no-bind-on-request; proxy-mode; relay-source replace-ip-source-with; send-release-on-delete; trust-option-82; }
层次结构级别
[edit forwarding-options dhcp-relay], [edit forwarding-options dhcp-relay dhcpv6], [edit forwarding-options dhcp-relay dhcpv6 group group-name], [edit forwarding-options dhcp-relay dhcpv6 group group-name interface interface-name], [edit forwarding-options dhcp-relay group group-name], [edit forwarding-options dhcp-relay group group-name interface interface-name], [edit logical-systems logical-system-name forwarding-options dhcp-relay ...], [edit logical-systems logical-system-name routing-instances routing-instance-name forwarding-options dhcp-relay ...], [edit routing-instances routing-instance-name forwarding-options dhcp-relay ...]
描述
覆盖扩展 DHCP 中继代理的默认配置设置。指定不带从属语句的语句将 overrides
删除该层级的所有 DHCP 中继代理覆盖。在层次结构级别使用该 [edit ... dhcpv6]
语句配置 DHCPv6 支持。
M120 和 M320 路由器不支持 DHCPv6。
和[edit ... dhcp-relay]
[edit ... dhcpv6]
层次结构级别都支持以下语句。
allow-snooped-clients
asymmetric-lease-time
delete-binding-on-renegotiation
dual-stack
interface-client-limit
no-allow-snooped-clients
no-bind-on-request
relay-source
send-release-on-delete
以下语句仅在层次结构级别受支持 [edit ... dhcpv6]
。
asymmetric-prefix-lease-time
所有其他语句仅在层次结构级别受支持 [edit ... dhcp-relay]
。
其余语句将单独解释。有关详细信息,请在 CLI 资源管理器 中搜索语句,或单击语法部分中的链接语句。
所需权限级别
接口 — 在配置中查看此语句。
接口控制 — 将此语句添加到配置中。
发布信息
Junos OS 8.3 版中引入的语句。
Junos OS 11.4 版中引入的 [edit ... dhcpv6]
层次结构级别的支持。