BGP Peer Template

Background Information

1. peer-groups are commonly used to make it easier to configure many peers with identical settings.
2. peer templates is newer and replaces peer-groups as an improvement to this process.
3. Peer templates have the added benefit of inheritance and can be hierarchical.

Summary

1. template peer-policy to create a policy template.
2. template peer-session to create a session template.
3. inherit peer-policy within a policy template to inherit another policy template.
4. inherit peer-session within a session template to inherit another session template.
5. neighbor X inherit peer-policy to inherit settings from a policy template
6. neighbor X inherit peer-session to inherit settings from a session template
7. show ip bgp template peer-policy to view policy templates
8. show ip bgp template peer-session to view session templates

router bgp 6500

  template peer-session TEM1

    remote-as 6500

  template peer-session TEM2

    inherit peer-session TEM1 1

    timers 10 180

  template peer-policy TEM1

    next-hop-self

  template peer-policy TEM2

    inherit peer-policy TEM1 1

    send-community both

  neighbor 10.1.1.1 inherit peer-session TEM2

  address-family ipv4

    neighbor 10.1.1.1 inherit peer-policy TEM2

http://www.cisco.com/c/en/us/td/docs/ios/12_0s/feature/guide/s_bgpct.html