When you use IP address unnumbered, configure a static route or dynamic routing protocol so that the interface borrowing the interface can learn about the route to the remote end.
If you use a dynamic routing protocol, ensure the length of the learned route mask is longer than that of the lender's IP address mask, because the NE80E/40E uses the longest match rule when searching for routes.
If you use a static route and the IP address of the lender uses a 32-bit mask, the length of the static route mask must be shorter than 32 bits.
If you use a static route and the IP address of the lender uses a mask less than 32 bits, the length of the static route mask must be longer than that of the lender's IP address mask.
The above manuals is obtained from HUAWEI support docs.
Can someone give example of the STATIC ROUTE .. what is mean by IP address use 32 bit mask? is that x.x.x.x/32 ? and the length of static route mask LONG and SHORT means.
