Cisco Cisco IOS Software Release 15.0(1)S
MLDP-Based MVPN
Information About MLDP-Based MVPN
5
2). There are two sources at PE-West and interested receivers at both PE-North and PE-East. PE-West
will choose one of the MP2MP trees to transmit the customer VPN traffic, but all PE routers can receive
traffic on either of the MP2MP trees.
will choose one of the MP2MP trees to transmit the customer VPN traffic, but all PE routers can receive
traffic on either of the MP2MP trees.
Figure 3
Default MDT Scenario
LSP Downstream Default MDT Creation
and
show the downstream tree creation for each of the roots. Each PE router
configured with VPN ID 100:2 creates the same Forwarding Equivalence Class (FEC) Type Length
Value (TLV), but with a different root and downstream labels per MP2MP tree. The FEC type will be
MP2MP Down, which prompts the receiving Label Switched Route (LSR) to respond with an upstream
label mapping message to create the upstream path.
Value (TLV), but with a different root and downstream labels per MP2MP tree. The FEC type will be
MP2MP Down, which prompts the receiving Label Switched Route (LSR) to respond with an upstream
label mapping message to create the upstream path.
279237
Join
(10.5.200.2,
238.1.200.1)
(10.5.200.2,
238.1.200.1)
PE-West
PE-East
MP2MP
LSP
PE-North
(Root 2)
Join
(10.5.200.3,
238.1.200.2)
PE-Central
(Root 1)
(Root 1)
172.30.20.1
172.30.20.3
(10.5.200.2,
238.1.200.1)
(10.5.200.3,
238.1.200.2)
172.30.20.2
172.30.20.4
LDP sessions
on all links
VRF
MDT Opaque Value
VPN-ID MDT# = 0