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Webcast-Catalyst9k
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How do I determine the CIR on a Frame Relay Serial Connection?

I have several point-to-point sub serial frame-relay connections. The bandwidth is specified on each interface, however this is only to calculate a metric for OSPF. What commands can I use if any to determine the true bandwidth of the pipe?

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Accepted Solutions
New Member

Re: How do I determine the CIR on a Frame Relay Serial Connectio

debug frame lmi will show you the lmi messages you receive from the frame switch. Included in about every 10 of these is the PVC speed. Just keep in mind that using debug commands on a live network can be processor intensive, but I have used this command in the past without any serious ramifications.

4 REPLIES
New Member

Re: How do I determine the CIR on a Frame Relay Serial Connectio

debug frame lmi will show you the lmi messages you receive from the frame switch. Included in about every 10 of these is the PVC speed. Just keep in mind that using debug commands on a live network can be processor intensive, but I have used this command in the past without any serious ramifications.

New Member

Re: How do I determine the CIR on a Frame Relay Serial Connectio

I was apply the command but only obtain the follow and I do not find the true bandwidth my IOS is 12.0-7T:

21:46:37: Serial0/0(in): Status, myseq 186

21:46:37: RT IE 1, length 1, type 0

21:46:37: KA IE 3, length 2, yourseq 182, myseq 186

21:46:37: PVC IE 0x7 , length 0x3 , dlci 31, status 0x2

21:46:37: PVC IE 0x7 , length 0x3 , dlci 32, status 0x2

21:46:37: PVC IE 0x7 , length 0x3 , dlci 33, status 0x2

21:46:37: PVC IE 0x7 , length 0x3 , dlci 37, status 0x2

21:46:37: PVC IE 0x7 , length 0x3 , dlci 38, status 0x2

21:46:37: PVC IE 0x7 , length 0x3 , dlci 39, status 0x2

21:46:38: Serial0/1(out): StEnq, myseq 186, yourseen 42, DTE up

21:46:38: datagramstart = 0x3DED914, datagramsize = 14

21:46:38: FR encap = 0x00010308

21:46:38: 00 75 95 01 01 00 03 02 BA 2A

21:46:38:

21:46:38: Serial0/1(in): Status, myseq 186

21:46:38: RT IE 1, length 1, type 0

21:46:38: KA IE 3, length 2, yourseq 43, myseq 186

21:46:38: PVC IE 0x7 , length 0x3 , dlci 43, status 0x2

21:46:38: PVC IE 0x7 , length 0x3 , dlci 44, status 0x2

21:46:38: PVC IE 0x7 , length 0x3 , dlci 45, status 0x2

21:46:38: PVC IE 0x7 , length 0x3 , dlci 49, status 0x2

21:46:38: PVC IE 0x7 , length 0x3 , dlci 50, status 0x2

21:46:38: PVC IE 0x7 , length 0x3 , dlci 51, status 0x2

21:46:47: Serial0/0(out): StEnq, myseq 187, yourseen 182, DTE up

21:46:47: datagramstart = 0x3DEE6D4, datagramsize = 14

21:46:47: FR encap = 0x00010308

21:46:47: 00 75 95 01 01 01 03 02 BB B6

21:46:47:

21:46:47: Serial0/0(in): Status, myseq 187

21:46:47: RT IE 1, length 1, type 1

21:46:47: KA IE 3, length 2, yourseq 183, myseq 187

21:46:48: Serial0/1(out): StEnq, myseq 187, yourseen 43, DTE up

21:46:48: datagramstart = 0x3DED914, datagramsize = 14

21:46:48: FR encap = 0x00010308

21:46:48: 00 75 95 01 01 01 03 02 BB 2B

21:46:48:

Re: How do I determine the CIR on a Frame Relay Serial Connectio

I beleive only the cisco LMI type is capable of sending the CIR.

New Member

Re: How do I determine the CIR on a Frame Relay Serial Connectio

there are some form to know the real BW of the PVC , using any commands

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