红帽全球峰会第 30 章 网络管理器调试介绍
对所有或某些域增加日志级别有助于记录 NetworkManager 所执行的操作的更多详情。您可以使用这些信息排查问题。NetworkManager 提供不同的级别和域来生成日志信息。/etc/NetworkManager/NetworkManager.conf 文件是 NetworkManager 的主配置文件。日志存储在日志中。
30.1. NetworkManager 重新应用方法的简介
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NetworkManager 服务使用配置文件管理设备的连接设置。桌面总线(D-Bus) API 可以创建、修改和删除这些连接设置。对于配置文件中的任何更改，D-Bus API 会将现有的设置克隆到连接的修改设置中。虽然克隆，但更改不会应用到修改后的设置。要使它生效，请重新激活连接的现有设置或使用 reapply（） 方法。
reapply（） 方法具有以下特性：
- 在不停用或重启网络接口的情况下更新修改后的连接设置。
-
从修改后的连接设置中删除待处理的更改。因为
NetworkManager不会恢复手动更改，因此您可以重新配置设备，并恢复外部或手动参数。 - 创建与现有连接设置不同的修改后的连接设置。
另外，reapply（） 方法支持以下属性：
-
bridge.ageing-time -
bridge.forward-delay -
bridge.group-address -
bridge.group-forward-mask -
bridge.hello-time -
bridge.max-age -
bridge.multicast-hash-max -
bridge.multicast-last-member-count -
bridge.multicast-last-member-interval -
bridge.multicast-membership-interval -
bridge.multicast-querier -
bridge.multicast-querier-interval -
bridge.multicast-query-interval -
bridge.multicast-query-response-interval -
bridge.multicast-query-use-ifaddr -
bridge.multicast-router -
bridge.multicast-snooping -
bridge.multicast-startup-query-count -
bridge.multicast-startup-query-interval -
bridge.priority -
bridge.stp -
bridge.VLAN-filtering -
bridge.VLAN-protocol -
bridge.VLANs -
802-3-ethernet.accept-all-mac-addresses -
802-3-ethernet.cloned-mac-address -
IPv4.addresses -
IPv4.dhcp-client-id -
IPv4.dhcp-iaid -
IPv4.dhcp-timeout -
IPv4.DNS -
IPv4.DNS-priority -
IPv4.DNS-search -
IPv4.gateway -
IPv4.ignore-auto-DNS -
IPv4.ignore-auto-routes -
IPv4.may-fail -
IPv4.method -
IPv4.never-default -
IPv4.route-table -
IPv4.routes -
IPv4.routing-rules -
IPv6.addr-gen-mode -
IPv6.addresses -
IPv6.dhcp-duid -
IPv6.dhcp-iaid -
IPv6.dhcp-timeout -
IPv6.DNS -
IPv6.DNS-priority -
IPv6.DNS-search -
IPv6.gateway -
IPv6.ignore-auto-DNS -
IPv6.may-fail -
IPv6.method -
IPv6.never-default -
IPv6.ra-timeout -
IPv6.route-metric -
IPv6.route-table -
IPv6.routes -
IPv6.routing-rules
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