Configuring Large Delay Buffers with a Configuration Editor

Large bursts of traffic from faster interfaces can cause congestion and dropped packets on slower interfaces that have small delay buffers. For example, a J-series Services Router operating at the edge of the network can drop a portion of the burst traffic it receives on a channelized T1/ E1 interface from a Fast Ethernet or Gigabit Ethernet interface on a router at the network core.

To ensure that traffic is queued and transmitted properly on slower interfaces, you can configure a buffer size larger than the default maximum. On J-series Services Routers, you can configure large delay buffers on channelized T1/E1 interfaces only.

This section contains the following topics:

• Maximum Delay Buffer Sizes Available to Interfaces
• Delay Buffer Size Allocation Methods
• Specifying Delay Buffer Sizes for Queues
• Configuring a Large Delay Buffer on a Channelized T1 interface