27 October 2008—9.3B1 Release. Roy Spencer.
10 July 2008—9.2R1 Release. Roy Spencer.
10 April 2008—9.1R1 Release. Roy Spencer.
1 February 2008—9.0R1 Release. Fawn Damitio.
29 June 2007—8.4R1 Release. Fawn Damitio.
27 March 2007—8.3R1 Release. Fawn Damitio.
12 January 2007—Added support for M120 router and MX960 routers. 8.2R1 Release. Fawn Damitio.
15 September 2006—Updated the references to the Layer 2 Circuits IETF drafts and RFCs, 8.1R1 Release. Richard Hendricks.
29 June 2006—8.0R1 Release. Richard Hendricks.
27 March 2006—7.6R1 Release. Richard Hendricks.
9 January 2006—7.5R1 Release. Richard Hendricks.
14 September 2005—7.4R1 Release. Richard Hendricks.
13 June 2005—Added support for configuring Layer 2 circuits simultaneously over RSVP and LDP LSPs, 7.3R1 Release. Richard Hendricks.
5 April 2005—7.2R1 Release. Richard Hendricks.
2 February 2005—Added local interface switching for Layer 2 circuits, 7.1R1 Release. Richard Hendricks.
6 October 2004—Added support for specifying a unique MTU for each Layer 2 circuit, 7.0R1 Release. Richard Hendricks.
6 July 2004—Added ATM2 IQ interface-based CoS and additional trunk-related statements, 6.4R1 Release. Richard Hendricks.
5 April 2004—Added ping mpls l2circuit commands, 6.3R1 Release. Richard Hendricks.
22 December 2003—Added Layer 2 circuit trunk mode and bandwidth reservation for Layer 2 circuits, 6.2R1 Release. Richard Hendricks.
22 September 2003—Added APS for Layer 2 circuits information and updated the traffic engineering example, 6.1R1 Release. Richard Hendricks.
30 June 2003—Added traffic engineering and control word mapping for Frame Relay and ATM2, 6.0R1 Release. Walter Goralski.
2 April 2003—Added PPP, HDLC, ATM Cell Mode, and AAL5 information, 5.7R1 Release. Richard Hendricks.
10 July 2002—Reformatted document. Richard Hendricks.
21 November 2001—Initial document written. Bill Nowak.