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Status: Verified (1)

RFC 5817, "Graceful Shutdown in MPLS and Generalized MPLS Traffic Engineering Networks", April 2010

Errata ID: 5299
Status: Verified
Type: Technical
Publication Format(s) : TEXT
Reported By: Naiming Shen
Date Reported: 2018-03-24
Verifier Name: Deborah Brungard
Date Verified: 2018-06-29

Section 4.1 says:

   The OSPF and IS-IS procedures for graceful shutdown of TE links are
   similar to the graceful restart of OSPF and IS-IS as described in
   [RFC4203] and [RFC5307], respectively.  Specifically, the node where
   graceful shutdown of a link is desired originates the TE LSA or IS-
   IS-LSP containing a Link TLV for the link under graceful shutdown
   with the Traffic Engineering metric set to 0xffffffff, 0 as
   unreserved bandwidth.

It should say:

   The OSPF and IS-IS procedures for graceful shutdown of TE links are
   similar to the graceful restart of OSPF and IS-IS as described in
   [RFC4203] and [RFC5307], respectively.  Specifically, the node where
   graceful shutdown of a link is desired originates the TE LSA or IS-
   IS-LSP containing a Link TLV for the link under graceful shutdown
   with the Traffic Engineering metric set to 0xffffffff for OSPF and
   to 0xffffff for IS-IS, 0 as unreserved bandwidth.

Notes:

IS-IS TE Default Metric is a 24-bit unsigned integer as defined in RFC 5305 section 3.7 "Sub-TLV 18: Traffic Engineering Default Metric"; while in OSPF, RFC 3630 section 2.5.5, the OSPF TE metric is four octets in length.

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