您可以通过将输出传送给过滤命令来过滤 show 命令的输出。管道输出可搭配所有 show 命令使用,但搭配产生大量文本的命令使用时最为有用。
要使用过滤功能,请使用以下格式。在这种情况下,显示命令后的竖线 | 是管道字符,属于命令,而不属于语法说明。过滤选项在 | 字符后输入。
show 命令 | {grep | include | exclude | begin} 正则表达式
- 过滤命令
-
您可以使用以下过滤命令:
- regular_expression
-
正则表达式,通常是简单的文本字符串。不要将表达式括在单引号或双引号中,这些引号将被视为表达式的一部分。此外,尾随空格也会包含在表达式中。
以下示例显示如何将 show access-list 命令的输出更改为仅显示适用于 inside1_2 接口的规则。
> show access-list | include inside1_2
access-list NGFW_ONBOX_ACL line 3 advanced trust ip ifc inside1_2 any ifc inside1_3 any rule-id 268435458
event-log both (hitcnt=0) 0x2c7f5801
access-list NGFW_ONBOX_ACL line 4 advanced trust ip ifc inside1_2 any ifc inside1_4 any rule-id 268435458
event-log both (hitcnt=0) 0xf170c15b
access-list NGFW_ONBOX_ACL line 5 advanced trust ip ifc inside1_2 any ifc inside1_5 any rule-id 268435458
event-log both (hitcnt=0) 0xce627c77
access-list NGFW_ONBOX_ACL line 6 advanced trust ip ifc inside1_2 any ifc inside1_6 any rule-id 268435458
event-log both (hitcnt=0) 0xe37dcdd2
access-list NGFW_ONBOX_ACL line 7 advanced trust ip ifc inside1_2 any ifc inside1_7 any rule-id 268435458
event-log both (hitcnt=0) 0x65347856
access-list NGFW_ONBOX_ACL line 8 advanced trust ip ifc inside1_2 any ifc inside1_8 any rule-id 268435458
event-log both (hitcnt=0) 0x6d622775
access-list NGFW_ONBOX_ACL line 9 advanced trust ip ifc inside1_3 any ifc inside1_2 any rule-id 268435458
event-log both (hitcnt=0) 0xc1579ed7
access-list NGFW_ONBOX_ACL line 15 advanced trust ip ifc inside1_4 any ifc inside1_2 any rule-id 268435458
event-log both (hitcnt=0) 0x1d1a8032
access-list NGFW_ONBOX_ACL line 21 advanced trust ip ifc inside1_5 any ifc inside1_2 any rule-id 268435458
event-log both (hitcnt=0) 0xf508bbd8
access-list NGFW_ONBOX_ACL line 27 advanced trust ip ifc inside1_6 any ifc inside1_2 any rule-id 268435458
event-log both (hitcnt=0) 0xa6be4e58
access-list NGFW_ONBOX_ACL line 33 advanced trust ip ifc inside1_7 any ifc inside1_2 any rule-id 268435458
event-log both (hitcnt=0) 0x699725ea
access-list NGFW_ONBOX_ACL line 39 advanced trust ip ifc inside1_8 any ifc inside1_2 any rule-id 268435458
event-log both (hitcnt=0) 0xd2014e58
access-list NGFW_ONBOX_ACL line 47 advanced trust ip ifc inside1_2 any ifc outside any rule-id 268435457
event-log both (hitcnt=0) 0xea5bdd6e