Думаю каждый ИТ специалист когда-либо встречался с таким понятием как резервирование и отказоустойчивость. Представьте себе вы поддерживаете работу небольшого офиса, с одним маршрутизатором cisco в качестве шлюза в интернети несколькими коммутаторами уровня доступа. Все у вас замечательно и тут упал провайдер, который выпускал ваших сотрудников в интернет (думаю ситуация знакома каждому)...
Урок 3 – Первичная настройка Cisco коммутатора и маршрутизатора.
В данном уроке вы познакомитесь с несколькими полезными командами, которые используются очень часто в процессе конфигурации маршрутизаторов и коммутаторов Cisco.
Используйте дынный урок чтобы набить руку, сейчас вами должна руководить одна мысль: «знание и тысяча повторений». Это практическое упражнение поможет вам закрепить ваш навык, полученный в предыдущем уроке.
SELECT m.id, m.menutype, m.title, m.alias, m.note, m.path AS route, m.link, m.type, m.level, m.language,m.browserNav, m.access, m.params, m.home, m.img, m.template_style_id, m.component_id, m.parent_id,e.element as component
FROMj25_menuAS m
LEFTJOINj25_extensionsAS e ON m.component_id = e.extension_id
WHERE m.published = 1 AND m.parent_id > 0 AND m.client_id = 0
ORDERBY m.lft
SHOWFULLCOLUMNS FROM `j25_easyblog_configs`
SELECT* FROMj25_easyblog_configs WHERE `name` = 'config'
SHOWFULLCOLUMNS FROM `j25_easyblog_tag`
SELECT* FROM `j25_easyblog_tag` WHERE (`title` = 'router' OR `title` = 'router' OR `alias` = 'router') LIMIT 1
DELETE FROM `j25_easyblog_mailq` WHERE `status`='1' ANDDATEDIFF(NOW(), `created`) >= 7
SELECT `id` FROM `j25_easyblog_mailq` WHERE `status` = 0 ORDERBY `created` ASC LIMIT 5
SELECT* FROM `j25_easyblog_post` WHERE `publish_up` <= '2025-06-29 11:36:10' AND `published` = '2' AND `ispending` = '0' ORDERBY `id` LIMIT 5
UPDATE `j25_easyblog_post` SET `published` = '0' WHERE `publish_down` > `publish_up` AND `publish_down` <= '2025-06-29 11:36:10' AND `publish_down` != '0000-00-00 00:00:00' AND `published` != '0' AND `published` != '3' AND `ispending` = '0'
SHOWFULLCOLUMNS FROM `j25_assets`
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LEFTJOINj25_assetsAS b ON b.lft <= a.lft AND b.rgt >= a.rgt
WHERE (a.id = 1)
GROUPBY b.id, b.rules, b.lft
ORDERBY b.lft
SELECT b.id
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LEFTJOINj25_usergroupsAS b ON b.lft <= a.lft AND b.rgt >= a.rgt
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SHOWFULLCOLUMNS FROM `j25_easyblog_users`
SELECTCOUNT(*) FROM `j25_easyblog_configs` WHERE `name` = 'default'
SELECT* FROMj25_easyblog_configs WHERE `name` = 'default'
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SELECT id
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SELECT id
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SELECT id
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SELECT id
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SELECT id
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SELECT id
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SELECT id
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SELECT* FROMj25_easyblog_tag WHERE `id` = '56'
SELECTCOUNT(1) FROM `j25_easyblog_tag` WHERE `alias`='router' AND `id`!='56'
SELECT id, keywords, description, indexing FROM `j25_easyblog_meta` WHERE content_id = '3' and type = 'view'
select `id` FROM `j25_easyblog_team` where `access` = '3' and `published` = '1'
select distinct a.`id`, a.`private` from `j25_easyblog_category` as a left join `j25_easyblog_category_acl` as b on a.`id` = b.`category_id` and b.`acl_id` = '1' where a.`private` != '0' and b.`category_id` NOTIN ( SELECT c.category_id FROM `j25_easyblog_category_acl` as c WHERE c.acl_id = '1' AND c.content_id IN ('1') )
SELECT b.*, c.`title` as `category` FROM `j25_easyblog_post_tag` AS a INNERJOIN `j25_easyblog_post` AS b ON a.post_id=b.id LEFTJOIN `j25_easyblog_category` AS c ON b.category_id = c.id WHERE a.tag_id = '56' AND b.`published` = '1' AND b.`private` = '0' AND b.`issitewide` = '1' ORDERBY b.`created` desc LIMIT 0,10
SELECTCOUNT(1) FROM (SELECT b.*, c.`title` as `category` FROM `j25_easyblog_post_tag` AS a INNERJOIN `j25_easyblog_post` AS b ON a.post_id=b.id LEFTJOIN `j25_easyblog_category` AS c ON b.category_id = c.id WHERE a.tag_id = '56' AND b.`published` = '1' AND b.`private` = '0' AND b.`issitewide` = '1' ORDERBY b.`created` desc) as x
SELECTCOUNT(1) FROM (SELECT b.*, c.`title` as `category` FROM `j25_easyblog_post_tag` AS a INNERJOIN `j25_easyblog_post` AS b ON a.post_id=b.id LEFTJOIN `j25_easyblog_category` AS c ON b.category_id = c.id WHERE a.tag_id = '56' AND b.`published` = '1' AND b.`private` = '0' AND b.`issitewide` = '1' ORDERBY b.`created` desc) as x
select distinct a.`id`, a.`private` from `j25_easyblog_category` as a left join `j25_easyblog_category_acl` as b on a.`id` = b.`category_id` and b.`acl_id` = '1' where a.`private` != '0' and b.`category_id` NOTIN ( SELECT c.category_id FROM `j25_easyblog_category_acl` as c WHERE c.acl_id = '1' AND c.content_id IN ('1') )
select count(1) from `j25_easyblog_post` as a inner join `j25_easyblog_post_tag` as b on a.`id` = b.`post_id` and b.`tag_id` = '56' where a.`private` = '1'
SHOWFULLCOLUMNS FROM `j25_easyblog_post`
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SHOWFULLCOLUMNS FROM `j25_users`
SELECT* FROM `j25_users`
WHERE `id` = 81
SELECT `g`.`id`,`g`.`title`
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INNERJOIN `j25_user_usergroup_map` AS m ON m.group_id = g.id
WHERE `m`.`user_id` = 81
SELECTCOUNT(1) FROM `j25_easyblog_featured` WHERE `content_id` = '422' AND `type` = 'post'
SHOWFULLCOLUMNS FROM `j25_komento_configs`
SELECT* FROMj25_komento_configs WHERE `component` = 'com_komento'
SELECT a.`id`, a.`title`, a.`alias` FROM `j25_easyblog_tag` AS a LEFTJOIN `j25_easyblog_post_tag` AS b ON a.`id` = b.`tag_id` WHERE b.`post_id` = '422' AND a.`published` = '1' ORDERBY a.`title` ASC
SELECTCOUNT(1) FROM `j25_easyblog_comment` WHERE `post_id`='422' AND `published` = '1'
SELECT a.* FROM `j25_easyblog_comment` a INNERJOINj25_usersAS c ON a.`created_by` = c.`id` WHERE a.`post_id` = '422' AND a.`published` = 1 ORDERBY a.`rgt` desc LIMIT 3
SELECT* FROMj25_easyblog_users WHERE `id` = '773'
SELECT* FROM `j25_users`
WHERE `id` = 773
SELECT `g`.`id`,`g`.`title`
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INNERJOIN `j25_user_usergroup_map` AS m ON m.group_id = g.id
WHERE `m`.`user_id` = 773
SELECTCOUNT(1) FROM `j25_easyblog_featured` WHERE `content_id` = '362' AND `type` = 'post'
SELECT a.`id`, a.`title`, a.`alias` FROM `j25_easyblog_tag` AS a LEFTJOIN `j25_easyblog_post_tag` AS b ON a.`id` = b.`tag_id` WHERE b.`post_id` = '362' AND a.`published` = '1' ORDERBY a.`title` ASC
SELECTCOUNT(1) FROM `j25_easyblog_comment` WHERE `post_id`='362' AND `published` = '1'
SELECT a.* FROM `j25_easyblog_comment` a INNERJOINj25_usersAS c ON a.`created_by` = c.`id` WHERE a.`post_id` = '362' AND a.`published` = 1 ORDERBY a.`rgt` desc LIMIT 3
SELECT `title`, `id` FROM `j25_easyblog_category` WHERE `id` = '10'
SELECT `title`, `id` FROM `j25_easyblog_category` WHERE `id` = '10'
SELECT id
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SELECT* FROMj25_easyblog_tag WHERE `id` = '56'
SELECTCOUNT(1) FROM `j25_easyblog_tag` WHERE `alias`='router' AND `id`!='56'
SELECT* FROMj25_easyblog_post WHERE `id` = '422'
SELECT `id` FROM `j25_menu` WHERE `link`='index.php?option=com_easyblog&view=blogger&layout=listings&id=81' AND `published`='1' AND (`language`='en-GB' OR `language` = '*' ) LIMIT 1
SELECT a.* FROM `j25_easyblog_post` as a WHERE a.`id` ='422'
SHOWFULLCOLUMNS FROM `j25_easyblog_category`
SELECT* FROMj25_easyblog_category WHERE `id` = '10'
SELECTCOUNT(1) FROM `j25_easyblog_category` WHERE `alias`='network' AND `id`!='10'
SELECT id
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SELECTCOUNT(1) FROM `j25_easyblog_tag` WHERE `alias`='cisco' AND `id`!='28'
SELECT* FROMj25_easyblog_tag WHERE `id` = '71'
SELECTCOUNT(1) FROM `j25_easyblog_tag` WHERE `alias`='network' AND `id`!='71'
SELECT* FROMj25_easyblog_tag WHERE `id` = '56'
SELECTCOUNT(1) FROM `j25_easyblog_tag` WHERE `alias`='router' AND `id`!='56'
SELECT* FROMj25_easyblog_tag WHERE `id` = '14'
SELECTCOUNT(1) FROM `j25_easyblog_tag` WHERE `alias`=' set' AND `id`!='14'
SHOWFULLCOLUMNS FROM `j25_easyblog_ratings`
SELECT* FROM `j25_easyblog_ratings` WHERE `created_by`='0' AND `uid`='422' AND `type`='entry' AND `sessionid`='a5954f543434b809a442712d865aa4e3'
SELECTAVG(value) AS ratings, COUNT(1) AS total FROM `j25_easyblog_ratings` WHERE `uid`='422' AND `type`='entry'
SELECT id
FROMj25_assets WHERE parent_id = 0
SELECT* FROMj25_easyblog_post WHERE `id` = '362'
SELECT `id` FROM `j25_menu` WHERE `link`='index.php?option=com_easyblog&view=blogger&layout=listings&id=773' AND `published`='1' AND (`language`='en-GB' OR `language` = '*' ) LIMIT 1
SELECT a.* FROM `j25_easyblog_post` as a WHERE a.`id` ='362'
SELECT id
FROMj25_assets WHERE parent_id = 0
SELECT* FROMj25_easyblog_tag WHERE `id` = '55'
SELECTCOUNT(1) FROM `j25_easyblog_tag` WHERE `alias`='ios' AND `id`!='55'
SELECT* FROMj25_easyblog_tag WHERE `id` = '53'
SELECTCOUNT(1) FROM `j25_easyblog_tag` WHERE `alias`='ssh' AND `id`!='53'
SELECT* FROMj25_easyblog_tag WHERE `id` = '54'
SELECTCOUNT(1) FROM `j25_easyblog_tag` WHERE `alias`='telnet' AND `id`!='54'
SELECT* FROM `j25_easyblog_ratings` WHERE `created_by`='0' AND `uid`='362' AND `type`='entry' AND `sessionid`='a5954f543434b809a442712d865aa4e3'
SELECTAVG(value) AS ratings, COUNT(1) AS total FROM `j25_easyblog_ratings` WHERE `uid`='362' AND `type`='entry'
SELECT id
FROMj25_assets WHERE parent_id = 0
SELECT* FROMj25_easyblog_tag WHERE `id` = '56'
SELECTCOUNT(1) FROM `j25_easyblog_tag` WHERE `alias`='router' AND `id`!='56'
SELECT id
FROMj25_assets WHERE parent_id = 0
SELECT id
FROMj25_assets WHERE parent_id = 0
SELECT* FROMj25_tagmeta_rules WHERE ( ( ('/itstuff/bezopasnost/tags/tag/router' REGEXPBINARY url)>0 AND (case_sensitive<>0) AND (decode_url<>0) AND (request_only<>0) ) OR ( ('/itstuff/bezopasnost/tags/tag/router' REGEXPBINARY url)>0 AND (case_sensitive<>0) AND (decode_url=0) AND (request_only<>0) ) OR ( ('https://networkdoc.ru/itstuff/bezopasnost/tags/tag/router' REGEXPBINARY url)>0 AND (case_sensitive<>0) AND (decode_url<>0) AND (request_only=0) ) OR ( ('https://networkdoc.ru/itstuff/bezopasnost/tags/tag/router' REGEXPBINARY url)>0 AND (case_sensitive<>0) AND (decode_url=0) AND (request_only=0) ) OR ( ('/itstuff/bezopasnost/tags/tag/router' REGEXP url)>0 AND (case_sensitive=0) AND (decode_url<>0) AND (request_only<>0) ) OR ( ('/itstuff/bezopasnost/tags/tag/router' REGEXP url)>0 AND (case_sensitive=0) AND (decode_url=0) AND (request_only<>0) ) OR ( ('https://networkdoc.ru/itstuff/bezopasnost/tags/tag/router' REGEXP url)>0 AND (case_sensitive=0) AND (decode_url<>0) AND (request_only=0) ) OR ( ('https://networkdoc.ru/itstuff/bezopasnost/tags/tag/router' REGEXP url)>0 AND (case_sensitive=0) AND (decode_url=0) AND (request_only=0) ) ) AND published=1 ORDERBY ordering
47 Query Types Logged, Sorted by Occurrences.
SELECT Tables:
30 × SELECT id FROMj25_assets
10 × SELECT* FROMj25_easyblog_tag
10 × SELECTCOUNT(1) FROM `j25_easyblog_tag`
2 × SELECT a.`id`, a.`title`, a.`alias` FROM `j25_easyblog_tag` AS a LEFTJOIN `j25_easyblog_post_tag` AS b ON a.`id` = b.`tag_id`
2 × SELECTCOUNT(1) FROM `j25_easyblog_featured`
2 × SELECT* FROM `j25_users`
2 × SELECT `g`.`id`,`g`.`title` FROM `j25_usergroups` AS g INNERJOIN `j25_user_usergroup_map` AS m ON m.group_id = g.id
2 × SELECTCOUNT(1) FROM `j25_easyblog_comment`
2 × SELECT `title`, `id` FROM `j25_easyblog_category`
2 × SELECT* FROM `j25_easyblog_ratings`
2 × SELECTAVG(value) AS ratings, COUNT(1) AS total FROM `j25_easyblog_ratings`
2 × SELECT a.* FROM `j25_easyblog_post` as a
2 × SELECT `id` FROM `j25_menu`
2 × SELECT* FROMj25_easyblog_users
2 × SELECT* FROMj25_easyblog_post
2 × SELECT a.* FROM `j25_easyblog_comment` a INNERJOINj25_usersAS c ON a.`created_by` = c.`id`
2 × SELECTCOUNT(1) FROM (SELECT b.*, c.`title` as `category` FROM `j25_easyblog_post_tag` AS a INNERJOIN `j25_easyblog_post` AS b ON a.post_id=b.id LEFTJOIN `j25_easyblog_category` AS c ON b.category_id = c.id
2 × select distinct a.`id`, a.`private` from `j25_easyblog_category` as a left join `j25_easyblog_category_acl` as b on a.`id` = b.`category_id` and b.`acl_id` = '1'
2 × SELECT* FROMj25_easyblog_configs
1 × SELECT `id` FROM `j25_easyblog_mailq`
1 × SELECT* FROM `j25_easyblog_post`
1 × SELECT b.rules FROMj25_assetsAS a LEFTJOINj25_assetsAS b ON b.lft <= a.lft AND b.rgt >= a.rgt
1 × SELECT* FROMj25_easyblog_category
1 × SELECT* FROM `j25_easyblog_tag`
1 × SELECT* FROMj25_tagmeta_rules
1 × SELECT b.id FROMj25_usergroupsAS a LEFTJOINj25_usergroupsAS b ON b.lft <= a.lft AND b.rgt >= a.rgt
1 × SELECTCOUNT(1) FROM `j25_easyblog_category`
1 × SELECTCOUNT(*) FROM `j25_easyblog_configs`
1 × select `id` FROM `j25_easyblog_team`
1 × SELECT b.*, c.`title` as `category` FROM `j25_easyblog_post_tag` AS a INNERJOIN `j25_easyblog_post` AS b ON a.post_id=b.id LEFTJOIN `j25_easyblog_category` AS c ON b.category_id = c.id
1 × select count(1) from `j25_easyblog_post` as a inner join `j25_easyblog_post_tag` as b on a.`id` = b.`post_id` and b.`tag_id` = '56'
1 × SELECT id, keywords, description, indexing FROM `j25_easyblog_meta`
1 × SELECT* FROMj25_komento_configs
1 × SELECT* FROM `j25_easyblog_acl`
1 × SELECT* FROM `j25_easyblog_acl_group`
1 × SELECT m.id, m.menutype, m.title, m.alias, m.note, m.path AS route, m.link, m.type, m.level, m.language,m.browserNav, m.access, m.params, m.home, m.img, m.template_style_id, m.component_id, m.parent_id,e.element as component FROMj25_menuAS m LEFTJOINj25_extensionsAS e ON m.component_id = e.extension_id
OTHER Tables:
1 × SHOWFULLCOLUMNS FROM `j25_users
1 × SHOWFULLCOLUMNS FROM `j25_komento_configs
1 × SHOWFULLCOLUMNS FROM `j25_easyblog_category
1 × SHOWFULLCOLUMNS FROM `j25_easyblog_ratings
1 × SHOWFULLCOLUMNS FROM `j25_easyblog_post
1 × SHOWFULLCOLUMNS FROM `j25_easyblog_users
1 × SHOWFULLCOLUMNS FROM `j25_easyblog_tag
1 × DELETE FROM `j25_easyblog_mailq`
1 × UPDATE `j25_easyblog_post` SET `published` = '0'