Merge pull request #1565 from ethereum-optimism/update-discovery-defaults

Update execution-config.mdx devp2p/disc defaults

Author: sbvegan

pages/operators/node-operators/configuration/execution-config.mdx

@@ -1296,22 +1296,22 @@ Use a custom UDP port for P2P discovery. The default value is `30303`.
 
 #### discovery.v4
 
-Enables the V4 discovery mechanism. The default value is `true`.
+Enables the V4 discovery mechanism. The default value is `false`.
 
 <Tabs items={['Syntax', 'Example', 'Environment Variable']}>
   <Tabs.Tab>`--discovery.v4` or `--discv4`</Tabs.Tab>
-  <Tabs.Tab>`--discovery.v4=true`</Tabs.Tab>
-  <Tabs.Tab>`GETH_DISCOVERY_V4=true`</Tabs.Tab>
+  <Tabs.Tab>`--discovery.v4=false`</Tabs.Tab>
+  <Tabs.Tab>`GETH_DISCOVERY_V4=false`</Tabs.Tab>
 </Tabs>
 
 #### discovery.v5
 
-Enables the experimental RLPx V5 (Topic Discovery) mechanism. The default value is `false`.
+Enables the V5 discovery mechanism. The default value is `true`.
 
 <Tabs items={['Syntax', 'Example', 'Environment Variable']}>
   <Tabs.Tab>`--discovery.v5` or `--discv5`</Tabs.Tab>
-  <Tabs.Tab>`--discovery.v5=false`</Tabs.Tab>
-  <Tabs.Tab>`GETH_DISCOVERY_V5=false`</Tabs.Tab>
+  <Tabs.Tab>`--discovery.v5=true`</Tabs.Tab>
+  <Tabs.Tab>`GETH_DISCOVERY_V5=true`</Tabs.Tab>
 </Tabs>
 
 #### identity