We have a DS3 Spa 2XT3/E3 in 6509/mpls router to handle frame-relay to 130 remote routers. Spa card serial and sub-interfaces have a delay of 200 usec and remotes have a delay of 20,000 usec. Is this a delay mis-match? It seems to work but the route metrics from hub to spoke and vice-versa differ by over 500,000 units.
Is this correct or should we set a manual metric on each sub-interface of 20,000 to match the T-1 (1544) for that individual connection. TAC told me the the delay should only be set on the serial interface, not the sub-interfaces. Also, all 130 remotes are coming into a single serial interface, though half are not full T-1, but fractional. Though the uitilization is ok, I am seeing input queue drops throughout the day and am wondering about the impact of having 130 routers going through this single DS3 serial interface. You comments are appreciated. Thanks.