# Configuring the RX Speed on the LAC

You can configure the E Series LAC to always generate L2TP Receive (RX) Speed AVP 38. If you do not specify this command, the RX Speed AVP is generated only when the RX speed differs from the TX speed. The AVPs can be used to generate the RADIUS Connect-Info attribute [77] on the LNS.

To set up the router to always generate the Receive Speed (AVP 38), complete the following steps:

1. On the ATM subinterface, configure the advisory receive speed. See Configuring ATM in the JunosE Link Layer Configuration Guide for information about configuring the advisory speed.
   host1(config-subif)#atm atm1483 advisory-rx-speed 2000
2. Specify that the RX Speed AVP is always generated. If you do not specify this command, the RX Speed AVP is generated only when the RX speed differs from the TX speed.
   host1(config)#l2tp rx-connect-speed-when-equal

#### Related Documentation

- atm atm1483 advisory-rx-speed
- l2tp rx-connect-speed-when-equal command