You would normally only advertise the loopback interface addresses in a BGP LU scenario and you would only allocate labels to these prefixes, which means that 1M labels is more than sufficient. Is this for IOS or for XR? Please tell us more about what you are trying to do so we can better help you.
Harold Ritter Sr Technical Leader CCIE 4168 (R&S, SP) firstname.lastname@example.org México móvil: +52 1 55 8312 4915 Cisco México Paseo de la Reforma 222 Piso 19 Cuauhtémoc, Juárez Ciudad de México, 06600 México
Hi Harold Ritter, Thanks for reply. We are running the ipv4-labelled unicast AFI so for each and every ipv6 prefix consuming the labels, because of the per-prefix label allocation my router reaching the 1M limit. Is their any way to avoid the per-prefix label allocation and allocate the label based on the router loopback or neighbor basis.
loadbalancing is one of the more complex items in hardware forwarding. of course we have talked about it many years on cisco live (id 2904) with ever incrementing more detail. and there is the support forum article on loadbalancing.
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