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Configuring to use ebgp between a mce and a site – H3C Technologies H3C S7500E Series Switches User Manual

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To do…

Use the command…

Remarks

Enter system view

system-view

Enable IS-IS for a VPN instance

and enter IS-IS view

isis

[ process-id ] vpn-instance

vpn-instance-name

Required

This operation is performed on the

MCE device. As for the

corresponding configuration on

the site, you can just enable IS-IS

as usual.

Redistribute routes from the

remote site advertised by the PE

import-route

{ isis [ process-id ] |

ospf

[ process-id ] | rip

[ process-id ] | bgp [ allow-ibgp ] |

direct

| static } [ cost cost |

cost-type

{ external | internal } |

[ level-1 | level-1-2 | level-2 ] |

route-policy

route-policy-name |

tag

tag ] *

Required

By default, IS-IS does not

redistribute routes from other

protocols.

Without the level specified, the

command redistributes routes to

the Level-2 routing table by

default.

After enabling IS-IS for a VPN instance, you need also to configure to use IS-IS for routing
information exchange.

Configuring to Use EBGP between a MCE and a Site

1) Configuration on the MCE device

Follow these steps to configure an MCE device:

To do…

Use the command…

Remarks

Enter system view

system-view

Enter BGP view

bgp as-number

Enter BGP-VPN instance view

ipv4-family vpn-instance

vpn-instance-name

Required

Configure a CE as a VPN peer

peer

{ group-name | ip-address }

[ as-number as-number ]

Required

Redistribute routes from the

remote site advertised by the PE

import-route

protocol

[ process-id ] [ med med-value |

route-policy route-policy-name

] *

Required

By default, EBGP does not

redistribute routes from other

protocols.