Dell S4048T-ON User Manual

Regular Expressions as Filters................................................................................................................................206
Redistributing Routes.............................................................................................................................................. 207
Enabling Additional Paths....................................................................................................................................... 208
Conguring IP Community Lists............................................................................................................................ 208
Conguring an IP Extended Community List....................................................................................................... 209
Filtering Routes with Community Lists..................................................................................................................210
Manipulating the COMMUNITY Attribute..............................................................................................................211
Changing MED Attributes....................................................................................................................................... 212
Changing the LOCAL_PREFERENCE Attribute...................................................................................................212
Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............. 213
Changing the WEIGHT Attribute............................................................................................................................214
Enabling Multipath....................................................................................................................................................214
Filtering BGP Routes................................................................................................................................................214
Filtering BGP Routes Using Route Maps...............................................................................................................216
Filtering BGP Routes Using AS-PATH Information.............................................................................................. 216
Conguring BGP Route Reectors.........................................................................................................................217
Aggregating Routes..................................................................................................................................................218
Conguring BGP Confederations........................................................................................................................... 218
Enabling Route Flap Dampening.............................................................................................................................219
Changing BGP Timers..............................................................................................................................................221
Enabling BGP Neighbor Soft-Reconguration......................................................................................................221
Enabling or disabling BGP neighbors.....................................................................................................................222
Route Map Continue............................................................................................................................................... 224
Enabling MBGP Congurations....................................................................................................................................224
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 225
BGP Regular Expression Optimization........................................................................................................................225
Debugging BGP............................................................................................................................................................. 225
Storing Last and Bad PDUs....................................................................................................................................226
Capturing PDUs....................................................................................................................................................... 227
PDU Counters.......................................................................................................................................................... 228
Sample Congurations.................................................................................................................................................. 228
10 Content Addressable Memory (CAM).......................................................................................................235
CAM Allocation.............................................................................................................................................................. 235
Test CAM Usage............................................................................................................................................................ 237
View CAM-ACL Settings...............................................................................................................................................237
View CAM Usage...........................................................................................................................................................239
CAM Optimization......................................................................................................................................................... 239
Troubleshoot CAM Proling..........................................................................................................................................239
QoS CAM Region Limitation...................................................................................................................................239
11 Control Plane Policing (CoPP)...................................................................................................................241
Congure Control Plane Policing................................................................................................................................. 242
Conguring CoPP for Protocols.............................................................................................................................243
Conguring CoPP for CPU Queues...................................................................................................................... 245
CoPP for OSPFv3 Packets.....................................................................................................................................246
8
Contents

Dell S4048T-ON Specifications

General

Switching Capacity	1.44 Tbps
Rack Units	1U
Form Factor	Rack-mountable
Operating Temperature	32 °F to 104 °F (0 °C to 40 °C)
Ports	48 x 10GBase-T, 6 x 40GbE QSFP+
Power Supply	Dual, hot-swappable
Jumbo Frame Support	Yes
OS	Dell Networking OS