MPLS and RSVP
7450 ESS MPLS Guide Page 251
percent — The minimum difference between the current bandwidth of the LSP and the sampled data
rate, expressed as a percentage of the current bandwidth, for counting an overflow sample.
Values 1 — 100
Default 0 (disabled)
mbps — The minimum difference between the current bandwidth of the LSP and the sampled data
rate, expressed as an absolute bandwidth (Mbps) relative to the current bandwidth, for counting
an overflow sample.
Values 1— 100000
Default 0 (disabled)
underflow-limit
Syntax underflow-limit number threshold percent [bw mbps]
no underflow-limit
Context config>router>mpls>lsp>auto-bandwidth
config>router>mpls>lsp-template>auto-bandwidth
Description This command configures underflow-triggered auto-bandwidth adjustment. An underflow auto-
bandwidth adjustment can occur any time during the adjust-interval; it is triggered when the number
of consecutive underflow samples reaches the threashold N configured as part of this command. The
new bandwidth of the LSP after a successful underflow adjustment is the maximum data rate
observed in the last N consecutive underflow samples.
A sample interval is counted as an underflow if the average data rate during the sample interval is
lower than the currently reserved bandwidth by at least the thresholds configured as part of this
command.
This command is mutually exclusive with the monitor-bandiwdth command.
The no form of this command disables underflow-triggered automatic bandwidth adjustment.
Default no underflow-limit
Parameters number — The number of consecutive underflow samples that triggers an underflow auto-bandwidth
adjustment attempt.
Values 0 — 10
Default 0 (disabled)
percent — The minimum difference between the current bandwidth of the LSP and the sampeld data
rate, expressed as a percentage of the current bandwidth, for counting an underflow sample.
Values 0 —100
Default 0 (disabled)
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