diff --git a/src/content/docs/cloudflare-one/connections/connect-networks/troubleshoot-tunnels/common-errors.mdx b/src/content/docs/cloudflare-one/connections/connect-networks/troubleshoot-tunnels/common-errors.mdx index c52028ad1eaab81..c9cbb0bef3bafb7 100644 --- a/src/content/docs/cloudflare-one/connections/connect-networks/troubleshoot-tunnels/common-errors.mdx +++ b/src/content/docs/cloudflare-one/connections/connect-networks/troubleshoot-tunnels/common-errors.mdx @@ -5,7 +5,7 @@ sidebar: order: 2 --- -import { Tabs, TabItem } from "~/components"; +import { Tabs, TabItem, GlossaryTooltip } from "~/components"; This section covers the most common errors you might encounter when connecting resources with Cloudflare Tunnel. If you do not see your issue listed below, refer to the [troubleshooting FAQ](/cloudflare-one/faq/troubleshooting/), view your [Tunnel logs](/cloudflare-one/connections/connect-networks/monitor-tunnels/logs/), or [contact Cloudflare Support](/support/contacting-cloudflare-support/). @@ -144,6 +144,11 @@ To ping an IP address behind Cloudflare Tunnel, your system must allow ICMP traf Proxied traffic through Cloudflare Tunnel is buffered by default unless the origin server includes the response header `Content-Type: text/event-stream`. The `Content-Type: text/event-stream` response header tells `cloudflared` to stream data as it arrives instead of buffering the entire response. +## I see `Error: This route's network is inside an existing subnet's network at "100.96.0.0/12"`. + +This error occurs when you try to add a CIDR route that falls within Cloudflare WARP's CGNAT IP range. The `100.96.0.0/12` range, which covers addresses from `100.96.0.1` to `100.111.255.254`, is reserved for internal WARP routing and cannot be added as a Cloudflare Tunnel route. To connect your private network, you will need to change its IP/CIDR so that it does not overlap with `100.96.0.0/12`. + + ## Troubleshooting [Troubleshooting](/cloudflare-one/faq/troubleshooting/) - Browse other Cloudflare One-related troubleshooting errors and solutions.