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ATM Switch Router Software Configuration Guide
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Chapter7 Configuring Virtual Connections
Configuring VP Tunnels
Example
The following example shows the VP tunnel configuration on interface ATM 1/0/0 with PVP 99:
Switch# show atm interface atm 1/0/0.99
Interface: ATM1/0/0.99 Port-type: vp tunnel
IF Status: UP Admin Status: up
Auto-config: enabled AutoCfgState: waiting for response from peer
IF-Side: Network IF-type: UNI
Uni-type: Private Uni-version: V3.0
Max-VPI-bits: 0 Max-VCI-bits: 14
Max-VP: 0 Max-VC: 16383
ConfMaxSvpcVpi: 0 CurrMaxSvpcVpi: 0
ConfMaxSvccVpi: 0 CurrMaxSvccVpi: 0
ConfMinSvccVci: 35 CurrMinSvccVci: 35
Signalling: Enabled
ATM Address for Soft VC: 47.0091.8100.0000.0060.3e64.fe01.4000.0c81.9000.63
Configured virtual links:
PVCLs SoftVCLs SVCLs TVCLs Total-Cfgd Inst-Conns
4 0 0 0 4 4
Configuring an End-Point PVC to a PVP Tunnel
To configure an end point of a permanent virtual channel (PVC) to a previously created PVP tunnel,
perform the following steps, beginning in global configuration mode:
The following restrictions apply to an end point of a PVC-to-PVP tunnel subinterface:
The VPI number of the tunnel leg of any PVC connection must match the VPtunnel number of the
tunnel.
For single service-category VP tunnels, the service class specified by the co nnection-traffic-table
row (CTTR) of any PVC connections must match the service category for the row(s) selected for the
tunnel PVP (for simple VP tunnels), or the configured serv ice category (for shaped VP tunnels).
This restriction does not apply to VPtunnels configured for multiple service categories (hierarchical
VP tunnels).
For service classes other than UBR, the PCRs of all PVCs must be within the peak cell rate of the
tunnel PVP. This setup requires new CTTR rows to be defined for CBR or VBR PVCs, with peak
cell rates that are less than the intended tunnel PVP.
Example
The following example shows how to configure the example tunnel ATM 1/0/0.99 with a PVC from
ATMinterface 0/0/1 to the tunnel at ATM interface1/0/0.99:
Switch(HB-1)(config)# interface atm 0/0/1
Switch(HB-1)(config-if)# atm pvc 0 50 interface atm 1/0/0.99 99 40
Command Purpose
Step1 Switch(config)# interface atm card/subcard/port
Switch(config-if)#
Selects the physical interface to be configured.
Step2 Switch(config-if)# atm pvc vpi-a vci-a [upc upc]
[pd pd] [rx-cttr index] [tx-cttr index] interface
atm card/subcard/port.vpt# vpi-b vci-b [upcupc]
Configures the PVC with the VPI of the tunnel
leg matching the tunnel VP tunnel number.