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Nothing owns it, so nothing\nanswers ICMP.",[37,41,42],{},"What actually exists is a set of iptables or IPVS rules on every node that rewrite\nthe destination address — but only for the ports the Service declares.",[44,45,50],"pre",{"className":46,"code":47,"language":48,"meta":49,"style":49},"language-bash shiki shiki-themes github-dark-dimmed github-dark-dimmed","ping 10.96.0.42          # always fails, means nothing\ncurl 10.96.0.42:80       # this is the real test\n","bash","",[51,52,53,70],"code",{"__ignoreMap":49},[54,55,58,62,66],"span",{"class":56,"line":57},"line",1,[54,59,61],{"class":60},"siJwO","ping",[54,63,65],{"class":64},"sQdni"," 10.96.0.42",[54,67,69],{"class":68},"s0RzX","          # always fails, means nothing\n",[54,71,73,76,80],{"class":56,"line":72},2,[54,74,75],{"class":60},"curl",[54,77,79],{"class":78},"szYpP"," 10.96.0.42:80",[54,81,82],{"class":68},"       # this is the real test\n",[37,84,85],{},"If you need to know whether a Service is wired up, check its endpoints instead:",[44,87,89],{"className":46,"code":88,"language":48,"meta":49,"style":49},"kubectl get endpointslices -l kubernetes.io\u002Fservice-name=payments\n",[51,90,91],{"__ignoreMap":49},[54,92,93,96,99,102,105],{"class":56,"line":57},[54,94,95],{"class":60},"kubectl",[54,97,98],{"class":78}," get",[54,100,101],{"class":78}," endpointslices",[54,103,104],{"class":64}," -l",[54,106,107],{"class":78}," kubernetes.io\u002Fservice-name=payments\n",[37,109,110],{},"An empty list means the selector matches nothing, or the pods are failing readiness.\nThat is the actual answer, and ping was never going to give it to you.",[112,113,114],"style",{},"html pre.shiki code .siJwO, html code.shiki .siJwO{--shiki-default:#F69D50;--shiki-dark:#F69D50}html pre.shiki code .sQdni, html code.shiki .sQdni{--shiki-default:#6CB6FF;--shiki-dark:#6CB6FF}html pre.shiki code .s0RzX, html code.shiki .s0RzX{--shiki-default:#768390;--shiki-dark:#768390}html pre.shiki code .szYpP, html code.shiki .szYpP{--shiki-default:#96D0FF;--shiki-dark:#96D0FF}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}",{"title":49,"searchDepth":116,"depth":116,"links":117},3,[],"2026-08-06","Why a failed ping proves nothing about whether your Service works.","md","en",{},"\u002Flearn\u002Fen\u002Farticles\u002F2026-08-06",{"title":32,"description":119},"learn\u002Fen\u002Farticles\u002F2026-08-06",[127],"kubernetes",[129,130],"services","debugging","g_WmoqBs1YOeMw7NsHp6F2JNMU1_QOW2iN0erDDOrcU",{"id":133,"title":134,"body":135,"date":269,"description":270,"extension":120,"lang":121,"meta":271,"minutes":72,"navigation":24,"path":272,"seo":273,"stem":274,"subjects":275,"tags":277,"__hash__":279},"articles\u002Flearn\u002Fen\u002Farticles\u002F2026-08-05.md","await null still yields",{"type":34,"value":136,"toc":267},[137,144,249,258,264],[37,138,139,140,143],{},"A common assumption is that ",[51,141,142],{},"await"," on a non-promise is a no-op. 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