フリー問題

問題文

The session between two switches is established and stable, but no overlay routes are exchanged. The overlay address type was added on one side only. Which cause is that here?

選択肢

1. The cause here is disabled learning source through approved project administration.
2. The cause here is designated forwarder election through approved project administration.
3. The cause here is unsupported family exchange through approved project administration.
4. The cause here is saturated transit link through approved project administration.