On Tue, 28 Aug 2012, Phil Mayers wrote:
WAN PHY is only useful if you need to run over SDH, so not useful over dark fibre, as far as I can see.
The B1/B2/B3 parity counters are useful even over dark fibre as it'll tell you if you're getting bit errors, even though that bit error didn't hit any actual packet.
So it's useful for verifying link quality even before putting live traffic on it.
-- Mikael Abrahamsson email: [email protected] _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
