Commit 348f01e3e3 (cfm: Eight byte MPIDs in extended mode.) allows
eight byte MPIDs when running in extended mode. This commit explains
this change in the vswitch.conf.db.
Signed-off-by: Alex Wang <al...@nicira.com>
---
vswitchd/vswitch.xml | 21 ++++++++++++++-------
1 file changed, 14 insertions(+), 7 deletions(-)
diff --git a/vswitchd/vswitch.xml b/vswitchd/vswitch.xml
index c12fd8f..8e4a864 100644
--- a/vswitchd/vswitch.xml
+++ b/vswitchd/vswitch.xml
@@ -1993,11 +1993,18 @@
</p>
<column name="cfm_mpid">
- A Maintenance Point ID (MPID) uniquely identifies each endpoint within
- a Maintenance Association. The MPID is used to identify this endpoint
- to other Maintenance Points in the MA. Each end of a link being
- monitored should have a different MPID. Must be configured to enable
- CFM on this <ref table="Interface"/>.
+ <p>
+ A Maintenance Point ID (MPID) uniquely identifies each endpoint within
+ a Maintenance Association. The MPID is used to identify this endpoint
+ to other Maintenance Points in the MA. Each end of a link being
+ monitored should have a different MPID. Must be configured to enable
+ CFM on this <ref table="Interface"/>.
+ </p>
+ <p>
+ According to the 802.1ag specification, MPIDs can only range between
+ [1, 8191]. However, extended mode (see <ref column="other_config"
+ key="cfm_extended"/>) supports eight byte MPIDs.
+ </p>
</column>
<column name="cfm_fault">
@@ -2122,8 +2129,8 @@
with compliant implementations which may be running concurrently on the
network. Furthermore, extended mode increases the accuracy of the
<code>cfm_interval</code> configuration parameter by breaking wire
- compatibility with 802.1ag compliant implementations. Defaults to
- <code>false</code>.
+ compatibility with 802.1ag compliant implementations. And extended
+ mode allows eight byte MPIDs. Defaults to <code>false</code>.
</column>
<column name="other_config" key="cfm_demand" type='{"type": "boolean"}'>
--
1.7.9.5
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