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PA-MC-T3-EC Hardware Accelerated Features and Restrictions
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•
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MLPPP/MLFR Scale Recommendations
Table 5-1
configure MLPPP/MLFR bundles on 7200 router:
Table 5-1
MLPPP/MLFR Bundles Recommendations
Maximum MLPPP/MFR Bundles
56
28
14
Note
The MLPPP/MFR bundles with links across different port adapters on the Cisco 7200 router are
supported for backward compatibility. Cisco recommends that the MLPPP/MLFR bundles using
PA-MC-T3-EC/ PA-MC-2T3-EC are from the same port adapter.
Using the show frame-relay multilink Command to Determine if MLFR Is
Hardware Accelerated
The show frame-relay multilink command provides information on whether or not the Multilink Frame
Relay (FRF.16) bundle is in hardware mode.
Router#
Bundle: MFR1, State = up, class = A, fragmentation disabled
BID = MFR1
MFR is hardware enabled
Bundle links:
Serial1/0/23:0, HW state = up, link state = Up, LID = Serial1/0/23:0
Serial1/0/22:0, HW state = up, link state = Up, LID = Serial1/0/22:0
PA-MC-T3-EC Port Adapter Installation and Configuration
5-4
Se3/0/11:0, since 1d20h, 480 weight, 472 frag size
If interleaving is enabled, the bundle is in hardware mode only if there is only one link in the bundle
and the fragment size configured (or selected) is 128 bytes and above. The bundle switches to
software mode if any additional link is added or the fragment size that is configured or selected is
less than 128 bytes.
A maximum of 168 bundles per port adapter are supported in hardware mode. For calculating the
maximum number of bundles in hardware mode, MLP a nd Multilink Frame Relay bundles in
hardware mode are included, and the MLP bundles that have interleaving enabled and are in
hardware mode are excluded. Configuring any additional bundle makes the bundle operating in
software mode.
Fragmentation counters on the transmit (TX) side are not available because the hardware does not
support these counters.
list s the recommendations to consider when you use PA-MC-T3-EC/PA-MC-2T3-EC to
show frame-relay multilink
Chapter 5
Configuring the Channelized Mode
Number of Links in the Bundle
2
4
8
OL-10589-02
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