Avaya Cajun P550R How to use

610-0184-095 1

June 14, 2001

Cajun™P550R®/P580/P880/P882

Switch Release Notes v5.2.2

Overview

These release notes support the Cajun switch software version

5.2.2 (v5.2.2) for the Cajun P550R, P580, P880, and P882 switches.

Release notes are periodically updated with pertinent information.

For detailed information about your product, refer to the basic set

of user documentation.

You can download software and access the latest release notes and

other documentation at:

http://www.avayanetwork.com/

These release notes cover the following topics:

■New Hardware and Software Features on page 2

■Supported Product Binaries and Boot Codes on page 4

■Queue Classification and Servicing Features on page 4

■Enabling Option 82 for DHCP on page 12

■Enabling Traps for Unknown Source Addresses on page 14

■Enhancements on page 17

■Changed CLI Commands on page 17

■Corrected Problems on page 17

■Known Problems and Workarounds on page 18

■Functional Restrictions on page 28

■Documentation Updates and Corrections on page 33

■Technical Support on page 34

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New Hardware and Software Features

Version 5.2.2 provides support for the following new hardware

software features.

Hardware

■80-series, 48-port, 10/100 Ethernet Module with Telco

connectors (M8048R-100TC)

■48-volt power supply for the P580

Software Features

Support for:

■The following Queue Classification and Queue Servicing

features:

—Classification of switch port traffic.

—Classification of layer 2 tagging.

—Classification of layer 3 traffic (by means of an access

control list).

—Queue servicing by means of weighted fair queueing

(WFQ).

For more information about the Queue Classification and

Queue Servicing features that are implemented in this

release, see "Queue Classification and Servicing Features" on

page 4.

■Port mirroring on 80-series modules in fabric mode 2. This

feature makes it possible for you to:

—Monitor traffic that is received and transmitted from a

port.

—Use of up to four monitor (sink) channels for monitoring

traffic.

For more information about the port mirroring on 80-series

module feature that is implemented in v5.2.2, see "Queue

Classification and Servicing Features" on page 4.

610-0184-095 June 14, 2001

■Relay Agent Information option (option 82) for Dynamic

Host Configuration Protocol (DHCP). When forwarding

client-originated DHCP packets to a DHCP server, the Cajun

switch inserts this option, which contains information about

the switch. The DHCP server uses this information to

authenticate the client.

For information on how to enable option 82, see "Enabling

Option 82 for DHCP" on page 12 of this document.

■Enhancement of the MAC Address Lock feature. This feature

has been available in all previous releases. If a source MAC

address is locked at a port (statically configured), a frame

with that source MAC will be filtered if received on any other

port on the same VLAN. With the enhancement, the feature

immediately generates traps to identify all unknown source

addresses. If, after sending a trap for an unknown source, the

switch continues to receive traffic from the source, the

feature generates a trap every 30 minutes until the traffic

stops.

* Note: You can set the trap timer within a range of 60 to

1800 seconds (default) in one second intervals.

For information on how to enable the MAC Address Lock

feature and traps for unknown source addresses, see

"Enabling Traps for Unknown Source Addresses" on page 14

of this document.

■Load MIB for the ATM Uplink module, v1.1. This feature

makes it possible for you to use SNMP commands to:

—Upload the startup configuration file of the ATM Uplink

module to a TFTP server

—Download the startup configuration file from a TFTP

server to the ATM Uplink module.

—Download a software image to the ATM Uplink module.

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Supported Product Binaries and Boot Codes

Table 1 shows the product binary files and boot codes that are

supported by v5.2.2 of the Cajun switch software.

* Note: Before downloading and running v5.2.2, remove port

mirrors with piggyback ports on 80-series modules.

Table 1. v5.2.2 Product Binary and Boot Files

* Note: The m8000r binary files run the supervisor module

on both the P580 and P882 switches. These files

replace the m8820_vx.x.x files.

Queue Classification and Servicing Features

Overview

Version v5.2.2 contains Queue Classification and Servicing

functionality that you can activate from the switch’s CLI. You can

configure Queue Classification and Servicing functionality for a

module, or for individual ports on a module. The main components

of the Queue Classification and Servicing functionality are:

■A hierarchical classification mechanism that classifies

incoming traffic

■Priority queues through which the switch forwards classified

traffic.

The switch first classifies the traffic and then, based upon the

classification of the traffic, stores it in the appropriate priority queue.

The switch services the queues according to the WFQ algorithm and

assigns queue weights.

Type of Switch Binary File Boot File

P550R m5500r_v5.02.02.bin m550boot_v5.00.01.bin

P580 m8000r_v5.02.02.bin m8000boot_v5.00.01.bin

P880 m8800_v5.02.02.bin m880boot_v5.00.01.bin

P882 m8000r_v5.02.02.bin m8000boot_v5.00.01.bin

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Classification of Traffic

You can classify traffic by:

■802.1p tag priority (default)

■Physical source port

■IP characteristics of the frame (source address, destination

address, and so forth)

Frames are classified into eight priorities, or classes, ranging in

number from 0 to 7. By default, the switch uses the priority from

the 802.1p tag field, if present, to assign a priority to a frame.

You can alternately set each physical port with a priority that ranges

from 0 to 7. The switch then replaces the default 802.1p tag priority

with the port priority as the priority of the frame.

You can, as a third alternative, set classification to be performed by

the IP characteristics of packets, instead of 802.1 tag priority or port

priority. To classify frames by their IP characteristics, you set a rule

in an access control list (ACL). The rule can set a priority for traffic

with a specific IP source address or with a specific combination of IP

source address, IP destination address, IP protocol, TCP source port,

and TCP destination port.

The priority of a rule in an ACL takes precedence over all other

priorities in Queue Classification and Servicing classification.

Because of this precedence, the switch determines whether a rule in

an ACL exists for an IP frame in the final stage of classification. If a

rule does exist, the priority associated with the rule replaces the

current priority of the frame.

The switch then forwards the frames to the appropriate priority

queue based upon the priority that is assigned to the frames.

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WFQ Queue-Servicing Algorithm

You can configure the WFQ service policy. The WFQ policy

implemented in the Cajun II Queue Classification and Servicing

sub-system is a variation of the textbook WFQ algorithm. In Cajun II

WFQ, each queue is assigned a weight increment. The weight

increment never varies; however, each queue also maintains an

accumulated weight, which is updated after each queue service

cycle. Queues are serviced based upon their relative accumulated

weights. In each queue service cycle, only the queue with the

highest accumulated weight is serviced. If there is a tie, the queue

with the highest priority (0 – 7 highest) is serviced first. After each

queue service cycle, the accumulated weight for the queue that is

serviced is reset to the value of its weight increment, and the

accumulated weight for the other queues is increased by their

respective weight increments.

When you set a port for WFQ, the switch services priority queues

according to their assigned weight. The queue with the highest

weight is serviced first.

There are two levels to the WFQ command. The first level specifies

the modules/ports to be configured. The second level specifies the

queue weights.

Port Mirroring on 80-Series Modules

The port mirroring on 80-series modules that is implemented in

v5.2.2 provides the ability for the 80-series modules to monitor

traffic that a port transmits and receives. Four channels are provided

for monitoring traffic, so you can monitor four different ports or

port ranges simultaneously.

* Note: Your switch must be in fabric mode 2 to perform 80-series

port mirroring.

You can configure port mirroring on 80-series modules by using

either the command-line interface (CLI) or the Web Agent.

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Configuring Port Mirroring By Using the CLI

Use the following CLI commands to configure port mirroring on 80-

series modules. You must be in Global Configuration command

mode to enter these commands.

* Note: For information on how to enter Global Configuration

command mode, see “Accessing/Exiting the Command

Modes” in chapter 1 of Cajun P550R/P880/P882 Command

Reference Guide.

Setting Up Port

Mirroring

To set up port mirroring, use the following CLI command:

>(config)# set port mirror fabric_mode2

source-port <mod-port-range> mirror-port

<mod-port-spec> channel <channel> direction

{tx | rx | both} sampling {always | disable |

periodic} [max-packets=sec <max-packets-sec-

value>]

where:

■<mod-port-range> is either the single port or the range of

ports that you want to mirror.

See Table 2 on page 8 for the specific port ranges that you can

mirror.

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Table 2. Port Ranges for 80-Series Port Mirroring

Module Port ranges that you can mirror

4-port gigabit modules • 1–2

• 3–4

• Any single port

You can mirror any four single

ports simultaneously (one port per

channel). However you cannot

mirror a port range and a single

port within that range

simultaneously.

Example: You can mirror port 1

on channel 1, port 2 on channel 2,

and port 3 on channel 3

simultaneously. However, you

cannot mirror ports 1 through 2 on

channel 1 and port 2 on channel 2

simultaneously.

8-port gigabit modules • 1–4

• 5–8

• Any single port

You can mirror any four single

ports simultaneously (one port per

channel). However you cannot

mirror a port range and a single

port within that range

simultaneously.

Example: You can mirror port 1

on channel 1, port 2 on channel 2,

and port 3 on channel 3

simultaneously. However, you

cannot mirror ports 1 through 4 on

channel 1 and port 2 on channel 2

simultaneously.

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* Note: You cannot mirror transmit traffic of multiple

source ports to one mirror port.

■<mod-port-spec> is the port to which you want to mirror

traffic.

Both the source port and mirror port must either:

—Be on the same vlan and have the same vlan binding

—Have vlan binding set to bind to all

24-port 10/100 modules • 1–12 — any 1 port or the

entire range.

• 13–24 — any 1 port or the

entire range.

If you mirror a single port, you can

mirror only 1 port per range at a

time.

Example: You can mirror port 1

on channel 1 and port 13 on

channel 2 simultaneously.

However, you cannot mirror port 1

on channel 1 and port 2 on

channel 2 simultaneously.

48-port 10/100 modules • 1–12 — any 1 port or the

entire range.

• 13–24 — any 1 port or the

entire range.

• 25–36 — any 1 port or the

entire range.

• 36–48 — any 1 port or the

entire range.

If you mirror a single port, you can

mirror only 1 port per range at a

time.

Example: You can mirror port 1

on channel 1 and port 13 on

channel 2 simultaneously.

However, you cannot mirror port 1

on channel 1 and port 2 on

channel 2 simultaneously.

Table 2. Port Ranges for 80-Series Port Mirroring

Module Port ranges that you can mirror

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10 June 14, 2001

* Note: Avaya recommends that you mirror traffic to a port

of the same speed or faster than the source port.

■<channel> is the mirror channel that you want to use (1-4).

■{TX| RX |Both} is the direction of traffic that you want to

mirror.

* Note: You can mirror transmit traffic of only one source

port to the mirror port. You cannot mirror transmit

traffic of multiple source ports to one mirror port.

■{always | disable | periodic} is how often you

want the mirror port to receive traffic samples.

■<max-packets-sec-value> is the maximum number of

packets per second that you want the mirror port to receive.

(Enter a value for this variable only if you set the sampling to

periodic.)

Removing Port

Mirroring

To remove port mirroring, use the following CLI command:

>(config)# clear port mirror fabric_mode2

channel <channel>

where <channel> is the mirror channel that you want to remove.

Viewing

Information

about Port

Mirroring

To view information about port mirroring, use the following CLI

command:

>(config)# show port mirror fabric_mode2

This command displays the source ports, mirror port, direction being

mirrored, sampler type, and maximum packet per second for all port

mirrors that are currently set up.

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