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Book Title
78-13113-06 B0
Chapter 5 Troubleshooting the Uplink Cards
Troubleshooting the Uplink Cards Installation
RPR-IEEE1/1 Effective
jumbo pref on ring is set
for jumbo frames
All stations on the ring now
support jumbo frame
preference, MTU for the
ring has been changed to
JUMBO MTU (9100 bytes).
None. Remove jumbo preference on stations
to revert to REGULAR MTU (1500 bytes)
RPR-IEEE1/1 Effective
jumbo pref on ring is set
for regular frame
At least one station on the
ring does not support jumbo
frame preference, MTU for
the ring has been changed to
REGULAR MTU (1500
bytes).
None. Configure jumbo preference on all
stations to change support to JUMBO MTU
(9100 bytes).
RPR-IEEE1/1 Effective
protection mode on station
is now steering
Protection preference has
been changed. Protection
mode for this station is now
steering.
None.
RPR-IEEE1/1 Effective
protection mode on station
is now wrapping
Protection preference has
been changed. Protection
mode for this station is now
wrapping.
None.
Configured protection
mode is inconsistent with
other stations on ring
Not all stations in the ring
support the same protection
preference (wrapping or
steering). This
inconsistency will create
failures in a protection
event.
Change all stations to support the same
protection preference, all stations must
support wrapping or steering. Use the show
rpr-iee topology command to verify
protection preference. Use the rpr
protection preference wrap or no rpr
protection preference wrap configuration
command to change the preference.
Table 5-12 SRP Wrap Messages
Alarm Description Solution
SRP1/1 wrapped on side
B (side A User Request
Forced Switch)
User-initiated forced switch on
side A on node
User initiated, none.
SRP1/1 wrapped on side
B (side A User Request
Manual Switch)
User-initiated manual switch
on side A on node
User initiated, none.
SRP1/1 wrapped on side
B (side A Self Detect
Signal Fail)
SONET Layer 1 signal fail
detected
Investigate Keepalive failure. Wrap
occurred.
Keepalive failure—SLOS, SLOF, LSF, or
LAIS.
SRP1/1 wrapped on side
B (side A Span Neighbor
Signal Degrade)
SONET Layer 1 signal fail
detected
Investigate Keepalive failure. Wrap
occurred.
Keepalive failure—LSD.
Table 5-11 Other IEEE 802.17 RPR Alarm Messages (continued)
Alarm Description Solution