5 pwe3 mpls layer 2 vpn, 3 svc mpls layer 2 vpn -4, Pwe3 mpls layer 2 vpn – Panasonic NN46240-710 User Manual
Page 115
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".
Nortel Secure Router 8000 Series
Troubleshooting - VPN___________
4 MPLS L2VPN troubleshooting
Figure 4-3 Martini signaling process
Create PW
4.1.5 PWE3 MPLS Layer 2 VPN
Pseudo-Wire Emulation Edge-to-Edge (PWE3) is an extension of Martini mode.
The PWE3 sets up a PW on the control plane by using LDP. On the basis of the Martini mode,
PWE3 adds a notification mechanism and reduces the interaction of control packets when the
attachment circuit (AC) or the tunnel flaps. The PWE3 can also use Layer 2 TP version 3 as the
signaling. The Reservation Protocol (RSVP) can be used as a signaling protocol to set up a PW
with bandwidth guarantee, that is, RSVP-Traffic Engineering (RSVP-TE) PW. PWE3 mode is
compatible with Martini mode.
Figure 4-4 shows the PWE3 signaling process.
Figure 4-4 PWE3 signaling process
Create PW
Issue 5.3 (30 March 2009)
Nortel Networks Inc.
4-5