4 questions on "Multiprotocol BGP - Configuration of Multiprotocol BGP"

When MP-BGP  is activated. What command can disable automatic advertisment of IPv4 prefixes?
R1(config) Router bgp 1
R1 (config-routers)# no bgp default ipv4-unicast
What is the default community for the command neighbor x.x.x.x send-community?

extended community with two nex MP-BGP nontranstive attributes:

-MP_REACH_NLRI Multiprotocol Reachable NLRI announces new multiprotocol routes
-MP_UNREACH_NLRI Multiprocol Unreachbale NLRI serves to revoke the routes previously announced by MP_REACH_NLRI
What does mBGP/MP-BGP carry?
mBGP carries two sets of routes, one set for unicast routing and one set for multicast routing

Reference: http://www.cisco.com/c/en/us/tech/ip/multiprotocol-bgp-mbgp/index.html
What is the command to upgrade to hierarchical BGP AFI syntax and difference between address-families?
bgp upgrade-cli  (default in IOS 15, command probably deprecated)

router bgp
bgp router-id
neighbor remote-as 65215

address-family ipv4
neighbor activate (activate address-family)

address-family ipv6
neighbor activate
  • A unique study and practice tool
  • Never study anything twice again
  • Get the grades you hope for
  • 100% sure, 100% understanding
Remember faster, study better. Scientifically proven.
Trustpilot Logo
  • Higher grades + faster learning
  • Never study anything twice
  • 100% sure, 100% understanding
Discover Study Smart