Avaya Configuring IP Exterior Gateway Protocols (BGP and EGP) Manual do Utilizador descarregar pdf (Página 63)

Configuring Global BGP Parameters

308628-15.0 Rev 00

3-19

Using the BCC

To enable or disable black hole punching, go to the BGP prompt (for example,

box; ip; /jointfilesconvert/97454/bgp

) and enter:

black-hole-punching

action>

action

is one of the values described in Table 3-3

For example, the following command causes BGP to submit aggregate routes to

the routing table as black hole routes. IP drops packets for the black hole route but

does not return ICMP destination unreachable messages to the sender.

/jointfilesconvert/97454/bgp#

black-hole-punching drop

/jointfilesconvert/97454/bgp#

Table 3-3. Black Hole Punching Parameter Settings

Value Meaning

disabled (default) Disables black hole punching

drop Enables black hole punching. IP drops packets for the black

hole route destination without returning an ICMP message to

the sender.

reject Enables black hole punching. IP drops packets for the black

hole route destination and returns an ICMP destination

unreachable message to the sender.

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Avaya Configuring IP Exterior Gateway Protocols (BGP and EGP) Manual do Utilizador Página 63