Dell S3048-ON User Manual

Changing MED Attributes.......................................................................................................................................203
Changing the LOCAL_PREFERENCE Attribute..................................................................................................203
Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............ 204
Changing the WEIGHT Attribute...........................................................................................................................205
Enabling Multipath...................................................................................................................................................205
Filtering BGP Routes...............................................................................................................................................205
Filtering BGP Routes Using Route Maps..............................................................................................................207
Filtering BGP Routes Using AS-PATH Information..............................................................................................207
Conguring BGP Route Reectors........................................................................................................................208
Aggregating Routes.................................................................................................................................................209
Conguring BGP Confederations.......................................................................................................................... 209
Enabling Route Flap Dampening.............................................................................................................................210
Changing BGP Timers..............................................................................................................................................212
Enabling BGP Neighbor Soft-Reconguration......................................................................................................212
Enabling or disabling BGP neighbors......................................................................................................................213
Route Map Continue................................................................................................................................................215
Enabling MBGP Congurations.................................................................................................................................... 215
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor..........................................216
BGP Regular Expression Optimization.........................................................................................................................216
Debugging BGP.............................................................................................................................................................. 216
Storing Last and Bad PDUs.....................................................................................................................................217
Capturing PDUs........................................................................................................................................................218
PDU Counters...........................................................................................................................................................219
Sample Congurations...................................................................................................................................................219
10 Content Addressable Memory (CAM).......................................................................................................226
CAM Allocation...............................................................................................................................................................226
Test CAM Usage............................................................................................................................................................228
View CAM-ACL Settings.............................................................................................................................................. 228
View CAM Usage...........................................................................................................................................................230
CAM Optimization......................................................................................................................................................... 230
Troubleshoot CAM Proling..........................................................................................................................................230
QoS CAM Region Limitation...................................................................................................................................230
11 Control Plane Policing (CoPP)...................................................................................................................231
Congure Control Plane Policing................................................................................................................................. 232
Conguring CoPP for Protocols............................................................................................................................ 233
Conguring CoPP for CPU Queues...................................................................................................................... 235
CoPP for OSPFv3 Packets.....................................................................................................................................236
Conguring CoPP for OSPFv3.............................................................................................................................. 239
Displaying CoPP Conguration ............................................................................................................................. 239
12 Dynamic Host Conguration Protocol (DHCP)......................................................................................... 242
DHCP Packet Format and Options..............................................................................................................................242
Assign an IP Address using DHCP...............................................................................................................................244
Implementation Information..........................................................................................................................................245
8
Contents

Dell S3048-ON Specifications

General

Rack Units	1U
Form Factor	Rack-mountable
Input Voltage	100-240V AC
Power Supply	2 hot-swappable power supplies
Management	CLI, Web, SNMP
Product Type	Switch
MAC Address Table Size	32K entries
Jumbo Frame Support	Yes
Latency	< 3 microseconds
Ports	48 x 1GbE RJ45, 4 x 10GbE SFP+