User manual
Table Of Contents
- Cisco ONS 15310-CL and Cisco ONS 15310-MA Ethernet Card Software Feature and Configuration Guide
- Contents
- Preface
- Overview of the ML-Series Card
- CTC Operations on the ML-Series Card
- Initial Configuration of the ML-Series Card
- Configuring Interfaces on the ML-Series Card
- Configuring POS on the ML-Series Card
- Configuring STP and RSTP on the ML-Series Card
- STP Features
- STP Overview
- Supported STP Instances
- Bridge Protocol Data Units
- Election of the Root Switch
- Bridge ID, Switch Priority, and Extended System ID
- Spanning-Tree Timers
- Creating the Spanning-Tree Topology
- Spanning-Tree Interface States
- Spanning-Tree Address Management
- STP and IEEE 802.1Q Trunks
- Spanning Tree and Redundant Connectivity
- Accelerated Aging to Retain Connectivity
- RSTP Features
- Interoperability with IEEE 802.1D STP
- Configuring STP and RSTP Features
- Default STP and RSTP Configuration
- Disabling STP and RSTP
- Configuring the Root Switch
- Configuring the Port Priority
- Configuring the Path Cost
- Configuring the Switch Priority of a Bridge Group
- Configuring the Hello Time
- Configuring the Forwarding-Delay Time for a Bridge Group
- Configuring the Maximum-Aging Time for a Bridge Group
- Verifying and Monitoring STP and RSTP Status
- STP Features
- Configuring VLANs on the ML-Series Card
- Configuring IEEE 802.1Q Tunneling and Layer 2 Protocol Tunneling on the ML-Series Card
- Configuring Link Aggregation on the ML-Series Card
- Configuring IRB on the ML-Series Card
- Configuring Quality of Service on the ML-Series Card
- Understanding QoS
- ML-Series QoS
- QoS on RPR
- Configuring QoS
- Monitoring and Verifying QoS Configuration
- QoS Configuration Examples
- Understanding Multicast QoS and Multicast Priority Queuing
- Configuring Multicast Priority Queuing QoS
- QoS not Configured on Egress
- ML-Series Egress Bandwidth Example
- Understanding CoS-Based Packet Statistics
- Configuring CoS-Based Packet Statistics
- Understanding IP SLA
- Configuring the Switching Database Manager on the ML-Series Card
- Configuring Access Control Lists on the ML-Series Card
- Configuring Resilient Packet Ring on the ML-Series Card
- Understanding RPR
- Configuring RPR
- Connecting the ML-Series Cards with Point-to-Point STS Circuits
- Configuring CTC Circuits for RPR
- Configuring RPR Characteristics and the SPR Interface on the ML-Series Card
- Assigning the ML-Series Card POS Ports to the SPR Interface
- Creating the Bridge Group and Assigning the Ethernet and SPR Interfaces
- RPR Cisco IOS Configuration Example
- Verifying Ethernet Connectivity Between RPR Ethernet Access Ports
- CRC Threshold Configuration and Detection
- Monitoring and Verifying RPR
- Add an ML-Series Card into an RPR
- Delete an ML-Series Card from an RPR
- Cisco Proprietary RPR KeepAlive
- Cisco Proprietary RPR Shortest Path
- Redundant Interconnect
- Configuring Security for the ML-Series Card
- Understanding Security
- Disabling the Console Port on the ML-Series Card
- Secure Login on the ML-Series Card
- Secure Shell on the ML-Series Card
- RADIUS on the ML-Series Card
- RADIUS Relay Mode
- RADIUS Stand Alone Mode
- Understanding RADIUS
- Configuring RADIUS
- Default RADIUS Configuration
- Identifying the RADIUS Server Host
- Configuring AAA Login Authentication
- Defining AAA Server Groups
- Configuring RADIUS Authorization for User Privileged Access and Network Services
- Starting RADIUS Accounting
- Configuring a nas-ip-address in the RADIUS Packet
- Configuring Settings for All RADIUS Servers
- Configuring the ML-Series Card to Use Vendor-Specific RADIUS Attributes
- Configuring the ML-Series Card for Vendor-Proprietary RADIUS Server Communication
- Displaying the RADIUS Configuration
- Configuring Bridging on the ML-Series Card
- CE-100T-8 Ethernet Operation
- Command Reference for the ML-Series Card
- [no] bridge bridge-group-number protocol {drpri-rstp | ieee | rstp}
- clear counters
- [no] clock auto
- interface spr 1
- [no] pos mode gfp [fcs-disabled]
- [no] pos pdi holdoff time
- [no] pos report alarm
- [non] pos trigger defects condition
- [no] pos trigger delay time
- [no] pos vcat defect {immediate | delayed}
- show controller pos interface-number [details]
- show interface pos interface-number
- show ons alarm
- show ons alarm defect {[eqpt | port [port-number] | sts [sts-number] | vcg [vcg-number] | vt]}
- show ons alarm failure {[eqpt | port [port-number] | sts [sts-number] | vcg [vcg-number] | vt]}
- spr-intf-id shared-packet-ring-number
- [no] spr load-balance { auto | port-based }
- spr station-id station-id-number
- spr wrap { immediate | delayed }
- Unsupported CLI Commands for the ML-Series Card
- Using Technical Support
- Index

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Chapter 11 Configuring Quality of Service on the ML-Series Card
Understanding QoS
Figure 11-1 IP Precedence and DSCP
Ethernet CoS
Ethernet CoS refers to three bits within a four byte IEEE 802.1Q (VLAN) header used to indicate the
priority of the Ethernet frame as it passes through a switched network. The CoS bits in the IEEE 802.1Q
header are commonly referred to as the IEEE 802.1p bits. There are three CoS bits that provide eight
classes, matching the number delivered by IP precedence. In many real-world networks, a packet might
traverse both Layer 2 and Layer 3 domains. To maintain QoS across the network, the IP ToS can be
mapped to the Ethernet CoS and vice versa, for example, in linear or one-to-one mapping, because each
mechanism supports eight classes. Similarly, a set of DSCP values (64 classes) can be mapped into each
of the eight individual Ethernet CoS values. Figure 11-2 is an IEEE 802.1Q Ethernet frame, which
consists of a 2-byte Ethertype and a 2-byte tag (IEEE 802.1Q Tag) on the Ethernet protocol header.
Figure 11-2 Ethernet Frame and the CoS Bit (IEEE 802.1p)
96499
DS-Field
Class Selector
Codepoints
Currently
Unused
Differentiated Services Code Point
AFC 2474
DSCP CU
0
Bits
1234567
RFC 1122
RFC 1349
Must
be
zero
DTR-Bits
Bits (0-2): IP-Precedence Defined
111 (Network Control)
110 (Internetwork Control)
101 (CRITIC/ECP)
100 (Flash Override)
011 (Flash)
101 (Immediate)
001 (Priority)
000 (Routine)
Bits (3-6): Type of Service Defined
0000 (all normal)
1000 (minimize delay)
0100 (maximize throughput)
0010 (maximize reliability)
0001 (minimize monetary cost)
Precedence Type of Service MBZ
0Bits 1234567
96496
Destination Address6
Source Address6
Type=81002
Tag Control Information2
Type/Length2
MAC DATA
PA D
42~1500
FCS4
IEEE 802.1Q Tag
VLAN ID
CFICoS
IEEE 802.1p
(3 bits)