usually means theres issues with your signal.
Log into the modem part and take a screen snip of your modem upload/download connections page. This shows us signal strengths and errors to see if its an issue with the line.
also remove any splitters, amplifiers, attenuators from your line. Prefereably move the C3000 to directly where the line enters the home so it avoids a damaged coax within the home causing the issue.
Thank you for the response. There are no splitters, amplifiers, or attenuators on the line. It is also a direct line and the modem is about two feet from where the coaxial enters the home. I've had a Spectrum tech come out and inspect the line and of course that day the connection didn't act up and he simply tested the line for about 5 minutes and everything was okay. He suggested to replace the modem. Is that something that I should try?
Also is this what you mean by \"upload/download connections page\"?
","body@stripHtml({\"removeProcessingText\":false,\"removeSpoilerMarkup\":false,\"removeTocMarkup\":false,\"truncateLength\":200})@stringLength":"208","kudosSumWeight":0,"postTime":"2020-01-03T12:43:59.764-08:00","lastPublishTime":"2020-01-03T12:43:59.764-08:00","metrics":{"__typename":"MessageMetrics","views":2863},"visibilityScope":"PUBLIC","placeholder":false,"showMoveIndicator":false,"originalMessageForPlaceholder":null,"isEscalated":null,"solution":false,"replies":{"__typename":"MessageConnection","pageInfo":{"__typename":"PageInfo","hasNextPage":false,"endCursor":null,"hasPreviousPage":false,"startCursor":null},"edges":[{"__typename":"MessageEdge","cursor":"MjUuNHwyLjF8aXwxfDM5OjF8aW50LDE4NDQzNTgsMTg0NDM1OA","node":{"__ref":"ForumReplyMessage:message:1844358"}}]},"customFields":[],"attachments":{"__typename":"AttachmentConnection","edges":[{"__typename":"AttachmentEdge","cursor":"MjUuNHwyLjF8b3w1fF9OVl98MQ","node":{"__ref":"Attachment:{\"id\":\"attachment:message1844348AttachmentNumber1\",\"url\":\"https://community.netgear.com/t5/s/ejquo23388/attachments/ejquo23388/home-wifi-routers-general/137431/1/updownnetgear.PNG\"}"}}],"pageInfo":{"__typename":"PageInfo","hasNextPage":false,"endCursor":null,"hasPreviousPage":false,"startCursor":null}}},"ModerationData:moderation_data:1844358":{"__typename":"ModerationData","id":"moderation_data:1844358","status":"APPROVED","rejectReason":null,"isReportedAbuse":false,"rejectUser":null,"rejectTime":null,"rejectActorType":null},"ForumReplyMessage:message:1844358":{"__typename":"ForumReplyMessage","author":{"__ref":"User:user:394854"},"id":"message:1844358","entityType":"FORUM_REPLY","eventPath":"category:home-wifi-routers/category:home-networking/category:English/community:ejquo23388board:home-wifi-routers-general/message:1844038/message:1844358","revisionNum":1,"uid":1844358,"depth":3,"hasGivenKudo":false,"subscribed":false,"board":{"__ref":"Forum:board:home-wifi-routers-general"},"parent":{"__ref":"ForumReplyMessage:message:1844348"},"conversation":{"__ref":"Conversation:conversation:1844038"},"subject":"Re: Constant Connection Timeout Error N300/C3000 Cable Modem Router","moderationData":{"__ref":"ModerationData:moderation_data:1844358"},"body":"
I put a link to what the modem connections page should look like.
","body@stripHtml({\"removeProcessingText\":false,\"removeSpoilerMarkup\":false,\"removeTocMarkup\":false,\"truncateLength\":200})@stringLength":"73","kudosSumWeight":1,"repliesCount":1,"postTime":"2020-01-03T13:19:38.473-08:00","lastPublishTime":"2020-01-03T13:19:38.473-08:00","metrics":{"__typename":"MessageMetrics","views":2855},"visibilityScope":"PUBLIC","placeholder":false,"showMoveIndicator":false,"originalMessageForPlaceholder":null,"isEscalated":null,"solution":false,"customFields":[],"attachments":{"__typename":"AttachmentConnection","edges":[{"__typename":"AttachmentEdge","cursor":"MjUuNHwyLjF8b3w1fF9OVl98MQ","node":{"__ref":"Attachment:{\"id\":\"attachment:message1844358AttachmentNumber1\",\"url\":\"https://community.netgear.com/t5/s/ejquo23388/attachments/ejquo23388/home-wifi-routers-general/137432/1/modem%20connections.png\"}"}}],"pageInfo":{"__typename":"PageInfo","hasNextPage":false,"endCursor":null,"hasPreviousPage":false,"startCursor":null}}},"QueryVariables:MessageSolutions":{"__typename":"QueryVariables","id":"MessageSolutions","value":{"first":10,"constraints":{"topicId":{"eq":"message:1844038"},"solution":{"eq":true}},"sorts":{"postTime":{"direction":"ASC"}},"useAvatar":true,"useAuthorLogin":true,"useAuthorRank":false,"useBody":true,"useKudosCount":false,"useTimeToRead":false,"useMedia":true,"useRepliesCount":false,"useSearchSnippet":false,"useAcceptedSolutionButton":true,"useSolvedBadge":false,"useAttachments":true,"useTags":false,"useUserHoverCard":false,"useNodeHoverCard":false,"usePreviewSubjectModal":false,"useMessageStatus":false}},"CachedAsset:text:en_US-components/community/NavbarDropdownToggle-1755165470600":{"__typename":"CachedAsset","id":"text:en_US-components/community/NavbarDropdownToggle-1755165470600","value":{"ariaLabelClosed":"Press the down arrow to open the menu"},"localOverride":false},"CachedAsset:text:en_US-shared/client/components/common/QueryHandler-1755165470600":{"__typename":"CachedAsset","id":"text:en_US-shared/client/components/common/QueryHandler-1755165470600","value":{"title":"Query Handler"},"localOverride":false},"CachedAsset:text:en_US-components/messages/EscalatedMessageBanner-1755165470600":{"__typename":"CachedAsset","id":"text:en_US-components/messages/EscalatedMessageBanner-1755165470600","value":{"escalationMessage":"Escalated to Salesforce by {username} on {date}","viewDetails":"View Details","modalTitle":"Case Details","escalatedBy":"Escalated by: ","escalatedOn":"Escalated on: ","caseNumber":"Case Number: ","status":"Status: ","lastUpdateDate":"Last Update: ","automaticEscalation":"automatic escalation","anonymous":"Anonymous"},"localOverride":false},"CachedAsset:text:en_US-components/users/UserLink-1755165470600":{"__typename":"CachedAsset","id":"text:en_US-components/users/UserLink-1755165470600","value":{"authorName":"View Profile: {author}","anonymous":"Anonymous"},"localOverride":false},"CachedAsset:text:en_US-shared/client/components/users/UserRank-1755165470600":{"__typename":"CachedAsset","id":"text:en_US-shared/client/components/users/UserRank-1755165470600","value":{"rankName":"{rankName}","userRank":"Author rank {rankName}"},"localOverride":false},"CachedAsset:text:en_US-components/messages/MessageTime-1755165470600":{"__typename":"CachedAsset","id":"text:en_US-components/messages/MessageTime-1755165470600","value":{"postTime":"Published: {time}","lastPublishTime":"Last Update: {time}","conversation.lastPostingActivityTime":"Last posting activity time: {time}","conversation.lastPostTime":"Last post time: {time}","moderationData.rejectTime":"Rejected time: {time}"},"localOverride":false},"CachedAsset:text:en_US-components/messages/MessageSolvedBadge-1755165470600":{"__typename":"CachedAsset","id":"text:en_US-components/messages/MessageSolvedBadge-1755165470600","value":{"solved":"Solved"},"localOverride":false},"CachedAsset:text:en_US-components/messages/MessageSubject-1755165470600":{"__typename":"CachedAsset","id":"text:en_US-components/messages/MessageSubject-1755165470600","value":{"noSubject":"(no subject)"},"localOverride":false},"CachedAsset:text:en_US-components/messages/MessageBody-1755165470600":{"__typename":"CachedAsset","id":"text:en_US-components/messages/MessageBody-1755165470600","value":{"showMessageBody":"Show More","mentionsErrorTitle":"{mentionsType, select, board {Board} user {User} message {Message} other {}} No Longer Available","mentionsErrorMessage":"The {mentionsType} you are trying to view has been removed from the community.","videoProcessing":"Video is being processed. Please try again in a few minutes.","bannerTitle":"Video provider requires cookies to play the video. Accept to continue or {url} it directly on the provider's site.","buttonTitle":"Accept","urlText":"watch"},"localOverride":false},"CachedAsset:text:en_US-components/messages/MessageCustomFields-1755165470600":{"__typename":"CachedAsset","id":"text:en_US-components/messages/MessageCustomFields-1755165470600","value":{"CustomField.default.label":"Value of {name}"},"localOverride":false},"CachedAsset:text:en_US-components/messages/MessageReplyButton-1755165470600":{"__typename":"CachedAsset","id":"text:en_US-components/messages/MessageReplyButton-1755165470600","value":{"repliesCount":"{count}","title":"Reply","title@board:BLOG@message:root":"Comment","title@board:TKB@message:root":"Comment","title@board:IDEA@message:root":"Comment","title@board:OCCASION@message:root":"Comment"},"localOverride":false},"CachedAsset:text:en_US-components/messages/MessageSolutionList-1755165470600":{"__typename":"CachedAsset","id":"text:en_US-components/messages/MessageSolutionList-1755165470600","value":{"emptyDescription":"No has been message solutions yet"},"localOverride":false},"CachedAsset:text:en_US-components/customComponent/CustomComponent-1755165470600":{"__typename":"CachedAsset","id":"text:en_US-components/customComponent/CustomComponent-1755165470600","value":{"errorMessage":"Error rendering component id: {customComponentId}","bannerTitle":"Video provider requires cookies to play the video. Accept to continue or {url} it directly on the provider's site.","buttonTitle":"Accept","urlText":"watch"},"localOverride":false},"CachedAsset:text:en_US-shared/client/components/users/UserAvatar-1755165470600":{"__typename":"CachedAsset","id":"text:en_US-shared/client/components/users/UserAvatar-1755165470600","value":{"altText":"{login}'s avatar","altTextGeneric":"User's avatar"},"localOverride":false},"CachedAsset:text:en_US-shared/client/components/ranks/UserRankLabel-1755165470600":{"__typename":"CachedAsset","id":"text:en_US-shared/client/components/ranks/UserRankLabel-1755165470600","value":{"altTitle":"Icon for {rankName} rank"},"localOverride":false},"CachedAsset:text:en_US-components/common/ExternalLinkWarningModal-1755165470600":{"__typename":"CachedAsset","id":"text:en_US-components/common/ExternalLinkWarningModal-1755165470600","value":{"title":"Leaving the Community","description":"You're about to leave this site and navigate to an external domain. Are you sure you want to continue?","action.submit":"Continue","action.cancel":"Go Back"},"localOverride":false},"CachedAsset:text:en_US-components/messages/AcceptedSolutionButton-1755165470600":{"__typename":"CachedAsset","id":"text:en_US-components/messages/AcceptedSolutionButton-1755165470600","value":{"accept":"Mark as Solution","accepted":"Marked as Solution","errorHeader":"Error!","errorAdd":"There was an error marking as solution.","errorRemove":"There was an error unmarking as solution.","solved":"Solved","topicAlreadySolvedErrorTitle":"Solution Already Exists","topicAlreadySolvedErrorDesc":"Refresh the browser to view the existing solution"},"localOverride":false},"CachedAsset:text:en_US-components/messages/MessageListMenu-1755165470600":{"__typename":"CachedAsset","id":"text:en_US-components/messages/MessageListMenu-1755165470600","value":{"postTimeAsc":"Oldest","postTimeDesc":"Newest","kudosSumWeightAsc":"Least Liked","kudosSumWeightDesc":"Most Liked","sortTitle":"Sort By","sortedBy.item":" { itemName, select, postTimeAsc {Oldest} postTimeDesc {Newest} kudosSumWeightAsc {Least Liked} kudosSumWeightDesc {Most Liked} other {}}"},"localOverride":false},"CachedAsset:text:en_US-shared/client/components/common/Pager/PagerLoadMore-1755165470600":{"__typename":"CachedAsset","id":"text:en_US-shared/client/components/common/Pager/PagerLoadMore-1755165470600","value":{"loadMore":"Show More"},"localOverride":false},"Attachment:{\"id\":\"attachment:message1844348AttachmentNumber1\",\"url\":\"https://community.netgear.com/t5/s/ejquo23388/attachments/ejquo23388/home-wifi-routers-general/137431/1/updownnetgear.PNG\"}":{"__typename":"Attachment","id":"attachment:message1844348AttachmentNumber1","filename":"updownnetgear.PNG","filesize":19976,"contentType":"image/png","url":"https://community.netgear.com/t5/s/ejquo23388/attachments/ejquo23388/home-wifi-routers-general/137431/1/updownnetgear.PNG"},"Attachment:{\"id\":\"attachment:message1844358AttachmentNumber1\",\"url\":\"https://community.netgear.com/t5/s/ejquo23388/attachments/ejquo23388/home-wifi-routers-general/137432/1/modem%20connections.png\"}":{"__typename":"Attachment","id":"attachment:message1844358AttachmentNumber1","filename":"modem connections.png","filesize":633435,"contentType":"image/png","url":"https://community.netgear.com/t5/s/ejquo23388/attachments/ejquo23388/home-wifi-routers-general/137432/1/modem%20connections.png"},"CachedAsset:text:en_US-components/attachments/AttachmentView/AttachmentViewChip-1755165470600":{"__typename":"CachedAsset","id":"text:en_US-components/attachments/AttachmentView/AttachmentViewChip-1755165470600","value":{"errorTitle":"Failed!","previewFile":"Preview File","downloadFile":"Download File {name}","removeFile":"Remove File {name}","errorBadExtension":"This file does not have a valid extension. \"{extensions}\" are the valid extensions.","errorFileEmpty":"This file is empty or does not exist.","errorTooLarge":"The maximum file size is: {maxFileSize}.","errorTooMany":"Too many attachments. The maximum number of attachments per message is: {maxAttachmentCount, number, integer}.","errorDuplicate":"This file is already attached."},"localOverride":false}}}},"page":"/forums/ForumMessagePage/ForumMessagePage","query":{"boardId":"home-wifi-routers-general","messageSubject":"constant-connection-timeout-error-n300c3000-cable-modem-router","messageId":"1844038"},"buildId":"8CqYPsxb5UG4aoIp8lqTz","runtimeConfig":{"buildInformationVisible":false,"logLevelApp":"info","appLogLevelOverrides":"TenancyMiddleware=TRACE,OriginHelper=TRACE","logLevelMetrics":"info","surveysEnabled":true,"openTelemetry":{"clientEnabled":false,"configName":"netgear","serviceVersion":"25.4.0","universe":"prod","collector":"http://localhost:4318","logLevel":"error","routeChangeAllowedTime":"5000","headers":"","enableDiagnostic":"false","maxAttributeValueLength":"4095"},"apolloDevToolsEnabled":false,"quiltLazyLoadThreshold":"3"},"isFallback":false,"isExperimentalCompile":false,"dynamicIds":["components_seo_QAPageSchema","components_community_Navbar_NavbarWidget","components_community_Breadcrumb_BreadcrumbWidget","components_customComponent_CustomComponent","components_messages_TopicWithThreadedReplyListWidget","components_languages_LanguagePicker","components_messages_MessageView_MessageViewStandard","components_messages_ThreadedReplyList","components_external_components_ExternalComponent","components_messages_EscalatedMessageBanner","components_customComponent_CustomComponentContent_HtmlContent","shared_client_components_common_List_UnstyledList","components_messages_MessageView","shared_client_components_common_Pager_PagerLoadMore","components_customComponent_CustomComponentContent_CustomComponentScripts","shared_client_components_common_List_UnwrappedList","components_attachments_AttachmentView","components_attachments_AttachmentView_AttachmentViewChip"],"appGip":true,"scriptLoader":[]}