Tag Switching 9-23
Configuration Example
If the interfaces require other than a max PVC bandwidth of 10 Mbps or require other than
a PVC LCN configuration of 256, adjust the configuration accordingly.
Step 8 For this release, Class of Service buffer 10 is used for tag switching connections. Check
the queue buffer 10 configurations for port 4.1 as follows:
dspqbin 4.1 10
The qbin configuration should be as shown in the following example:
Note VC connections are grouped into large buffers called qbins. (per-VC queues can be
specified on a connection-by connection basis also). In this release, all VSI connections use qbin 10
on each interface.
Sample Display:
Sample Display:
n4 TN SuperUser BPX 15 9.1 Apr. 4 1998 16:41 PST
Qbin Database 4.1 on BXM qbin 10
Qbin State: Enabled
Minimum Bandwith: 0
Qbin Discard threshold: 65536
Low CLP/EPD threshold: 95%
High CLP/EPD threshold: 100%
EFCI threshold: 40%
This Command: cnfqbin 4.1 10
'E' to Enable, 'D' to Disable [E]:
Next Command:
If the qbin is not configured as shown in the example, configure the queues on the ports using the
cnfqbin command:
cnfqbin 4.1 10
enable/disable: e
For all other parameters, accept the (default).
The previous parameters can also be set for qbin 10 as follows:
cnfqbin 4.1 10 e 0 65536 95 100 40
