RFC 5320, "The Subnetwork Encapsulation and Adaptation Layer (SEAL)", February 2010

Errata ID: 2105
Status: Verified
Type: Editorial
Publication Format(s) : TEXT
Reported By: Alfred Hoenes
Date Reported: 2010-04-02
Verifier Name: Nevil Brownlee
Date Verified: 2013-03-16

Section 4.3.3, pg.19 says:

      +-------------------------+ -
      |                         |   ~ Outer */SEAL/*/IPv4 hdrs~   |
      |                         |   |
      +-------------------------+   |
      |      ICMPv4 Header      |   |
      |(Dest Unreach; Frag Need)|   |
      +-------------------------+   |
      |                         |    > Up to 576 bytes
      ~    IP/*/SEAL/*/IPv4     ~   |
      ~ hdrs of packet/fragment ~   |
      |                         |   |
      +-------------------------+   |
      |                         |   |
      ~ Data of packet/fragment ~   |
      |                         |   /
      +-------------------------+ -

       Figure 3: SEAL-Encapsulated ICMPv4 Fragmentation Needed Message

It should say:

      +-------------------------+ -
|     |                         |   \
|     ~ Outer */SEAL/*/IPv4 hdrs~   |
      |                         |   |
      +-------------------------+   |
      |      ICMPv4 Header      |   |
      |(Dest Unreach; Frag Need)|   |
      +-------------------------+   |
      |                         |    > Up to 576 bytes
      ~    IP/*/SEAL/*/IPv4     ~   |
      ~ hdrs of packet/fragment ~   |
      |                         |   |
      +-------------------------+   |
      |                         |   |
      ~ Data of packet/fragment ~   |
      |                         |   /
      +-------------------------+ -

       Figure 3: SEAL-Encapsulated ICMPv4 Fragmentation Needed Message

Notes:

(Most likely an nroff-related problem with the trailing backslash!)

Yes; clearly the diagram needs to be tidied up.

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