Best to handle 56K VC off a 1544K T1 Frame-relay?

Best to handle 56K VC off a 1544K T1 Frame-relay?

Post by ris.. » Wed, 11 Jun 1997 04:00:00

Two questions in one post:
1) problems with 56K VC off frame-relay 1544K port.
2) command line to obtain stats from a virtual port (serial0.1).

I understand there may be performance problems with 56K vc's off a T1
Frame-relay.  We currently have all T1's 256K and up talking together,
but we are adding a 56K and I don't want the performance to degrade for
that user.

Also eigrp supports bandwidth limitation on the routing information,
but I can't think of anything else to improve performance other than
setting "fair-queue".  What is the best way to limit total data rates
to a virtual circuit (s0.1) hosted by a 1544K T1?

Also, via snmp I can obtain stats:
interfaces.ifTable.ifEntry.ifOutOctets.4 = 594011
interfaces.ifTable.ifEntry.ifInOctets.4 = 352140

But show int s0.1 just looks like:
Serial0.1 is up, line protocol is up
  Hardware is HD64570
  Internet address is x.x.x.x/x
  MTU 1500 bytes, BW 56 Kbit, DLY 20000 usec, rely 255/255, load 1/255
  Encapsulation FRAME-RELAY

Missing are the stats you find in "show int s0" like:
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
     70361 packets input, 3892264 bytes, 0 no buffer
     Received 0 broadcasts, 0 runts, 0 giants
     2525 input errors, 2355 CRC, 223 frame, 0 overrun, 9 ignored, 1010 abort
     83708 packets output, 4100595 bytes, 0 underruns



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