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10 Cards in this Set
- Front
- Back
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Limits of BGP Peer-groups |
•A neighbor can belong only to one peer group. •Neighbors that belong to different address-families cannot belong to the same peer group. •Different sets of policies cannot be grouped and applied to a neighbor. |
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There are two types of peer templates: |
•Peer session templates are used to group and apply the configuration of general session commands that are common to all address family and Network Layer Reachability Information (NLRI) configuration modes. •Peer policy templates are used to group and apply the configuration of commands that are applied within specific address-families and NLRI configuration modes. |
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This command is used to enter session-template configuration mode and to create a peer session template. |
exit peer-session |
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This command is used to configure a peer session template to inherit a configuration from another peer session template. A peer session template can directly inherit only one peer session template. However, each inherited session template can also contain one inherited template. |
inherit peer-policy |
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This command is used to exit session-template configuration mode and enter router configuration mode. |
template peer-policy |
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This command is used to send locally configured peer session templates to the specified neighbor. If the locally configured peer session template is configured to inherit configurations from other peer session templates, the specified neighbor will also indirectly inherit these configurations from the other peer session templates. This command sends only general session configuration information. |
neighbor inherit peer-sessio |
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This command is used to display locally configured peer session templates. The output can be filtered to display a specific peer session template. By default, it will display all peer session templates. |
show ip bgp template peer-session |
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Since IOS 12.3(14)T, the next-hop tracking behavior has changed from periodic toevent-driven. This behavior is enabled by default using the command |
bgp nexthop trigger enable (On by default) |
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As soon as any change that affects an existing NEXT_HOPoccurs, the watch process notifies the BGP router process. If the change results inprefix withdrawn, the BGP process immediately removes the prefix. All othernotification are delayed and batched until the time-interval specified by thecommand |
bgp nexthop trigger delay (seconds) |
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The serviceprovider can use the which command if the customer sites of theLayer 3 MPLS VPN have routers that don't support allowas-in? |
neighbor A.B.C.D as-override |
