[lacnog] DHCPv6
Uesley Correa
uesleycorrea en gmail.com
Mar Dic 27 11:13:21 -03 2022
Hola Fernando!
¿Ya probaste con /56? Ya he escuchado de routers que no aceptan recibir
/48. Otro detalle: ¿hay algo de RA en esa interfaz de salida? Ya he visto
routers en DHCP que, si no reciben informaciones por ND, no aplican /
aceptan asignaciones por DHCP.
Saludos,
Uesley Corrêa - Analista de Telecomunicaciones
CEO Telecom Consultoria, Entrenamiento y Servicios
CEO Telecom Fiber Solutions
On Tue, Dec 27, 2022 at 10:57 AM Fernando R. Soto <frsoto en gmail.com> wrote:
> Estimados, por favor una consulta
>
>
>
> Levanté un DHCPv6 con Kea. Y veo que un router TP Link hace un Release de
> la ip y prefijo que le advierto. Como que no lo acepta porque algo no le
> gusta… Como puedo saber que no le gustando o que le está faltando?
>
>
>
> Slds cordiales
>
>
>
>
>
> *Este es el Advertise de mi DHCP*
>
> Frame 6: 308 bytes on wire (2464 bits), 308 bytes captured (2464 bits)
>
> Linux cooked capture v1
>
> Internet Protocol Version 6, Src: 2800:f91:20::11, Dst: 2800:f91:760:20::1
>
> User Datagram Protocol, Src Port: 547, Dst Port: 547
>
> DHCPv6
>
> Message type: Relay-reply (13)
>
> Hopcount: 0
>
> Link address: 2800:f91:760:20::1
>
> Peer address: fe80::1aa6:f7ff:fe99:651d
>
> Interface-Id
>
> Option: Interface-Id (18)
>
> Length: 37
>
> Interface-ID:
> 4f4c5431504f5033382d50454c2078706f6e20302f31312f302f31323a34362e322e3130…
>
> Relay Message
>
> Option: Relay Message (9)
>
> Length: 165
>
> DHCPv6
>
> Message type: Advertise (2)
>
> Transaction ID: 0x4e9fda
>
> Client Identifier
>
> Option: Client Identifier (1)
>
> Length: 14
>
> DUID: 000100012b33000518a6f799651d
>
> DUID Type: link-layer address plus time (1)
>
> Hardware type: Ethernet (1)
>
> DUID Time: Dec 19, 2022 07:57:09.000000000 Hora estándar
> de Argentina
>
> Link-layer address: 18:a6:f7:99:65:1d
>
> Server Identifier
>
> Option: Server Identifier (2)
>
> Length: 14
>
> DUID: 000100012993e1f2000c299d6a9f
>
> DUID Type: link-layer address plus time (1)
>
> Hardware type: Ethernet (1)
>
> DUID Time: Feb 7, 2022 10:58:10.000000000 Hora estándar
> de Argentina
>
> Link-layer address: 00:0c:29:9d:6a:9f
>
> Identity Association for Non-temporary Address
>
> Option: Identity Association for Non-temporary Address (3)
>
> Length: 40
>
> IAID: 000207a2
>
> T1: 1000
>
> T2: 2000
>
> IA Address
>
> Option: IA Address (5)
>
> Length: 24
>
> IPv6 address: 2800:f91:760:20::28e2
>
> Preferred lifetime: 3000
>
> Valid lifetime: 4000
>
> DNS recursive name server
>
> Option: DNS recursive name server (23)
>
> Length: 32
>
> 1 DNS server address: 2001:4860:4860::8888
>
> 2 DNS server address: 2001:4860:4860::8844
>
> Identity Association for Prefix Delegation
>
> Option: Identity Association for Prefix Delegation (25)
>
> Length: 41
>
> IAID: 000207a1
>
> T1: 1000
>
> T2: 2000
>
> IA Prefix
>
> Option: IA Prefix (26)
>
> Length: 25
>
> Preferred lifetime: 3000
>
> Valid lifetime: 4000
>
> Prefix length: 48
>
> Prefix address: 2800:f91:2091::
>
>
>
> Y este es el Release
>
> Frame 10: 233 bytes on wire (1864 bits), 233 bytes captured (1864 bits)
>
> Linux cooked capture v1
>
> Internet Protocol Version 6, Src: 2800:f91:760:20::1, Dst: 2800:f91:20::11
>
> User Datagram Protocol, Src Port: 547, Dst Port: 547
>
> DHCPv6
>
> Message type: Relay-forw (12)
>
> Hopcount: 0
>
> Link address: 2800:f91:760:20::1
>
> Peer address: fe80::1aa6:f7ff:fe99:651d
>
> Interface-Id
>
> Option: Interface-Id (18)
>
> Length: 37
>
> Interface-ID:
> 4f4c5431504f5033382d50454c2078706f6e20302f31312f302f31323a34362e322e3130…
>
> Relay Message
>
> Option: Relay Message (9)
>
> Length: 90
>
> DHCPv6
>
> Message type: Release (8)
>
> Transaction ID: 0x708205
>
> Client Identifier
>
> Option: Client Identifier (1)
>
> Length: 14
>
> DUID: 000100012b33000518a6f799651d
>
> DUID Type: link-layer address plus time (1)
>
> Hardware type: Ethernet (1)
>
> DUID Time: Dec 19, 2022 07:57:09.000000000 Hora estándar
> de Argentina
>
> Link-layer address: 18:a6:f7:99:65:1d
>
> Server Identifier
>
> Option: Server Identifier (2)
>
> Length: 14
>
> DUID: 000100012993e1f2000c299d6a9f
>
> DUID Type: link-layer address plus time (1)
>
> Hardware type: Ethernet (1)
>
> DUID Time: Feb 7, 2022 10:58:10.000000000 Hora estándar
> de Argentina
>
> Link-layer address: 00:0c:29:9d:6a:9f
>
> Identity Association for Non-temporary Address
>
> Option: Identity Association for Non-temporary Address (3)
>
> Length: 40
>
> IAID: 000207a2
>
> T1: 1000
>
> T2: 2000
>
> IA Address
>
> Option: IA Address (5)
>
> Length: 24
>
> IPv6 address: 2800:f91:760:20::28e2
>
> Preferred lifetime: 3000
>
> Valid lifetime: 4000
>
> Elapsed time
>
> Option: Elapsed time (8)
>
> Length: 2
>
> Elapsed time: 0ms
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