Juniper JUNOSE 11.1.X - LINK LAYER CONFIGURATION 4-7-2010 Configuration Manual page 764

JUNOSe 11.1.x Link Layer Configuration Guide
repeated sending of Event notification PDUs
preventing duplication.................................237
supported error events
error frame..................................................237
error frame seconds summary.....................237
error symbol period.....................................237
supported frame errrors tracked
alignmentError ...........................................236
frameCheckSequence .................................236
frameTooLong.............................................236
lengthError (runts).......................................236
symbol errors counting
on IOAs that do not support........................237
threshold for frame, symbol errors.....................237
using Event notification OAM PDUs....................236
using the results of
to configure LAG sublayer............................240
viewing configured values...................................253
OAM link-fault event See link-fault event
OAM link-fault management See Ethernet OAM
link-fault management
OAM link-fault management, 802.3ah.......................229
OAM loopback mode
cessation by the initiating entity
using Loopback control PDUs......................240
configuring..........................................................247
higher priority for OAM PDUs
over data traffic...........................................240
in disabled state
receipt of Information PDUs by local
entity.......................................................240
restarting sending of locally sourced
non-OAM PDUs........................................240
in enabled state
received data calculation.............................240
transmitted data calculation........................240
initiation phase
discarding locally sourced non-OAM
PDUs........................................................240
intentional discard of data frames
by remote peer............................................240
local and remote functionalities
overview......................................................240
preventing loopback on both local and remote
entities
verification to perform.................................240
processing of OAM PDUs
measuring link performance........................240
remote
feature supported by the remote peer.........240
link quality between local and remote
entities.....................................................240
non-OAM PDUs resent to the local
entity.......................................................240
placing a peer into loopback mode..............240
processing of OAM PDUs.............................240
732
Index
settings for enabling and disabling remote
loopback
not stored across reboots.............................247
viewing configuration.........................................253
warning message
while placing local entity in remote
loopback..................................................247
OAM messages
format of
Code field, usage.........................................230
Data/Pad field, usage...................................230
Flags field, usage.........................................230
format of, figure..................................................230
forwarding to the control block...........................233
higher priority over data traffic
during remote loopback...............................240
length of untagged frames..................................242
maximum transmission rate
performance impact....................................242
processing by multiplexer...................................233
processing by the packet parser..........................233
processing during remote loopback
measuring link performance........................240
properties of
determination of maximum frame size.......230
rate of transmission per second...................230
size range....................................................230
value of destination MAC address................230
value of Ethertype........................................230
value of frame payload................................230
rules management of received
by the control block.....................................233
supported types
Event notification OAM PDUs......................231
Information OAM PDUs...............................231
Loopback control OAM PDUs.......................231
Vendor-specific OAM PDUs..........................231
transmission of
control block and.........................................233
transmission rate and
impact on router operations........................231
with link-fault event bit in Flags field
higher preferential processing.....................239
OAM PDU loss threshold
actions taken when exceeded
link problem signalled.................................236
link transition to the down state..................236
configuring..........................................................243
definition of
action taken when configured value is
exceeded..................................................236
product of transmission rate and
equals lost-link timer...................................236
recommendation for setting
for link-fault monitoring...............................242
viewing configured value....................................255