This is the default BGP behavior. Just turn on BGP, configure it correctly and everything is ok. No really worries about this.
Same for this point, this is the default BGP behavior.
For the first part: this...
As you can see from the title this is a lab where AS3 is our AS, then there are strong>AS1 and AS2 that are our providers and then some other ASs.
Target of this lab is:
1...
