sFlow |
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sFlow
Overview
sFlow commands are supported on these platforms:
c e s
.
FTOS sFlow monitoring system includes an sFlow Agent and an sFlow Collector. The sFlow Agent
combines the flow samples and interface counters into sFlow datagrams and forwards them to the
sFlow Collector. The sFlow Collector analyses the sFlow Datagrams received from the different
devices and produces a network-wide view of traffic flows.
Important Points to Remember
•
Dell Force10 recommends that the sFlow Collector be connected to the Dell Force10 chassis
through a line card port rather than the RPM Management Ethernet port.
•
FTOS exports all sFlow packets to the sFlow Collector. A small sampling rate can equate to a
large number of exported packets. A backoff mechanism will automatically be applied to reduce
this amount. Some sampled packets may be dropped when the exported packet rate is high and the
backoff mechanism is about to or is starting to take effect. The dropEvent counter, in the sFlow
packet, will always be zero.
•
sFlow sampling is done on a per-port basis.
•
Community list and local preference fields are not filled up in the extended gateway element in the
sFlow datagram.
•
The 802.1P source priority field is not filled up in the extended switch element in the sFlow
datagram.
•
Only Destination and Destination Peer AS numbers are packed in the dst-as-path field in the
extended gateway element.
•
If the packet being sampled is redirected using PBR (Policy-Based Routing), the sFlow datagram
may contain incorrect extended gateway/router information.
•
sFlow does not support packing extended information for IPv6 packets. Only the first 128 bytes of
the IPv6 packet is shipped in the datagram.
•
The source VLAN field in the extended switch element will not be packed in case of a routed
packet.
•
The destination VLAN field in the extended switch element will not be packed in case of a
multicast packet.
•
The maximum number of packets that can be sampled and processed per second is:
— 7500 packets when no extended information packing is enabled
— 7500 packets when only extended-switch information packing is enabled
— 1600 packets when extended-router and/or extended-gateway information
Содержание Force10 TeraScale C Series
Страница 1: ...FTOS Command Line Reference Guide FTOS 8 4 2 7 E Series TeraScale C Series S Series S50 S25 ...
Страница 164: ...164 Control and Monitoring w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 176: ...176 802 1ag w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 188: ...188 802 3ah w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 204: ...204 802 1X w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 294: ...294 Access Control Lists ACL w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 428: ...428 Border Gateway Protocol IPv4 BGPv4 w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 456: ...456 Configuration Rollback w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 472: ...472 Dynamic Host Configuration Protocol DHCP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 484: ...484 Far End Failure Detection FEFD w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 682: ...682 IPv4 Routing w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 732: ...732 IPv6 Basics w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 896: ...896 Layer 2 w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 914: ...914 Link Layer Detection Protocol LLDP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 926: ...926 Multicast Listener Discovery MLD w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 952: ...952 Multiple Spanning Tree Protocol MSTP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 976: ...976 Multicast w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 984: ...984 Neighbor Discovery Protocol NDP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1094: ...1094 Policy based Routing PBR w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1130: ...1130 PIM Sparse Mode PIM SM w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1164: ...1164 Private VLAN PVLAN w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1276: ...1276 Rapid Spanning Tree Protocol RSTP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1342: ...1342 Service Provider Bridging w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1354: ...1354 sFlow w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1428: ...1428 Spanning Tree Protocol STP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1444: ...1444 Time and Network Time Protocol NTP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1464: ...1464 VLAN Stacking w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1494: ...1494 Virtual Router Redundancy Protocol VRRP w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1534: ...1534 C Series Diagnostics and Debugging w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1574: ...1574 E Series Debugging and Diagnostics w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1592: ...1592 S Series Debugging and Diagnostics w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1622: ...1622 Index w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 1640: ...1640 Command Index w w w d e l l c o m s u p p o r t d e l l c o m ...