[c-nsp] Turning PVCs into VLANs
Clinton Work
clinton at scripty.com
Fri Nov 19 15:50:26 EST 2004
The ws-x5158 (ATM OC3) works well, but throughput maxes out around
80Mbps bi-directional traffic and 50,000 pps with 64-byte frames (RFC
2684). I would run a IOS version on the ATM module of
c5atm-wt-mz.120-28.W5.30.bin or later to avoid a bug with Ethernet
frames not being padded to 64-bytes. If the far end device is a Cisco
router using 1483 bridged PVCs over ATM with CEF enabled you'll
encounter the problem.
CSCdp82703 - Packets less than 64 bytes should be padded on 1483 PVCs
http://www.cisco.com/cgi-bin/Support/Bugtool/onebug.pl?bugid=CSCdp82703&Submit=Search
Dan Armstrong wrote:
> A 5505 with a x5158 or x5161 LANE card and an Ethernet blade will do 1483.
>
>
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