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BGP host route advertising

kwok-foong.wong
Level 1
Level 1

Hi,

how do I advertise a single host route into BGP? For example, I have a FE interface with an ip address of 10.10.10.1/24. How do I, in this case, advertise a server ip address, 10.10.10.5/32 without advertising the entire subnet, i.e. 10.10.10.0/24 into BGP?

2 Replies 2

Harold Ritter
Level 12
Level 12

You could do the following.

network 10.10.10.5 mask 255.255.255.255

ip route 10.10.10.5 255.255.255.255 FE0/0

But why don't you want to advertise the entire subnet.

Hope this helps,

Harold Ritter
Sr Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
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Thanks! I'll try that soon! Reason for doing this is to have some form of control.

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