[FROG] LDP Cannot assign request address

[Renato Westphal]

Sure, you can create a second dummy interface with the same address on
the default VRF and it should work fine.

On Fri, Jan 18, 2019 at 2:32 PM Alessio Leonarduzzi
<alessio.leonarduzzi at gmail.com> wrote:
>
> Hi Renato,
>
> thank you for the tip.
> That loopback is also announced by OSPF so I can not move to default VRF.
> Is it possible to set a second dummy interface in default VRF only for LDP?
>
> regards
>
> Alessio
>
> Il giorno ven 18 gen 2019 alle ore 17:20 Renato Westphal <renato at opensourcerouting.org> ha scritto:
>>
>> Hi Alessio,
>>
>> It seems your dummy0 interface (which has the 1.1.1.1/32 address) is
>> assigned to the VRF-PUBLIC VRF, and ldpd works on the default VRF
>> only. Moving dummy0 to the default VRF should fix the problem.
>>
>> Best Regards,
>> Renato.
>>
>> On Fri, Jan 18, 2019 at 12:19 PM Alessio Leonarduzzi
>> <alessio.leonarduzzi at gmail.com> wrote:
>> >
>> > Hi all,
>> >
>> > If I set loopback interface IP as discovery transport-address in MPLS configuration the DEBUG output is:
>> > [CUT]
>> > 2019/01/17 12:05:19 LDP: nbr_establish_connection: error while binding socket to 1.1.1.1: Cannot assign requested address
>> > 2019/01/17 12:05:23 LDP: nbr_establish_connection: error while binding socket to 1.1.1.1: Cannot assign requested address
>> > 2019/01/17 12:05:27 LDP: nbr_establish_connection: error while binding socket to 1.1.1.1: Cannot assign requested address
>> > 2019/01/17 12:05:32 LDP: nbr_establish_connection: error while binding socket to 1.1.1.1: Cannot assign requested address
>> > 2019/01/17 12:05:36 LDP: nbr_establish_connection: error while binding socket to 1.1.1.1: Cannot assign requested address
>> > 2019/01/17 12:05:40 LDP: nbr_establish_connection: error while binding socket to 1.1.1.1: Cannot assign requested address
>> > [/CUT]
>> >
>> >
>> > but if I use the physical interface all works good.
>> >
>> > This is the configuration:
>> >
>> > vrf VRF-PUBLIC
>> > !
>> > interface dummy0 vrf VRF-PUBLIC
>> >  description Loopback0
>> >  ip address 1.1.1.1/32
>> > !
>> > interface enp2s0f0 vrf VRF-PUBLIC
>> >  description P2P01
>> >  ip address 2.2.2.2/30
>> >  ip ospf network point-to-point
>> > !
>> > interface enp2s0f2 vrf VRF-PUBLIC
>> >  description P2P02
>> >  ip address 3.3.3.3/30
>> >  ip ospf network point-to-point
>> > !
>> > mpls ldp
>> >  router-id 1.1.1.1
>> >  dual-stack cisco-interop
>> >  !
>> >  address-family ipv4
>> >   discovery transport-address 1.1.1.1
>> >   label local advertise explicit-null
>> >   !
>> >   interface enp2s0f0
>> >   interface enp2s0f1
>> >   !
>> >  exit-address-family
>> >  !
>> > !
>> >
>> >
>> > The FRR version is 6.0.2 and I need to use MPLS on two interfaces (enp2s0f0 and enp2s0f1).
>> >
>> > thank you for your help
>> >
>> > regards
>> >
>> > Alessio
>> > _______________________________________________
>> > frog mailing list
>> > frog at lists.frrouting.org
>> > https://lists.frrouting.org/listinfo/frog
>>
>>
>>
>> --
>> Renato Westphal



-- 
Renato Westphal