The problem hasn't cleared up. Instead, it appears in both cases someone has induced reconvergence/route priority to route *around* the PAIX. It looks like San Jose is now exclusively in use.
What you saw was probably related to this, as we saw a few peers flapping during that time period. Dear Equinix Customer, IBX(s): SV8 PRODUCTS: Equinix Internet Exchange SR#: 1755835 Date and Time of Occurrence: 06/17/2011 20:28:14 Site Local Time INCIDENT SUMMARY: Equinix Exchange INCIDENT DESCRIPTION: You may have experienced a brief interruption with your PAIX/Equinix Exchange services. This issue is now resolved and service returned to normal as of 22:00 Site Local Time. Sincerely, Equinix US NOC Phone: 888-892-0607 or 408-451-5200 -- Steve Rubin ser@layer42.net Layer42 Networks http://www.layer42.net/ Expect More from A Web Solutions Provider (408)450-5742