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CISCO STACKWISE TECHNOLOGY
Prepared by: iTawy Team 2015
OBJECTIVE
 Understanding Switch Stacks
 Stack Master
 Switch Stack Management Connectivity
 Stack Member Numbers / Priority Values
 Assigning Stack Member Information
 Cisco Catalyst 3750-E Models
 Feature
Prepared by: iTawy Team 2015
UNDERSTANDING SWITCH STACKS
A SWITCH STACK IS A SET OF UP TO NINE CATALYST 3750 SWITCHES CONNECTED THROUGH
THEIR STACKWISE PORTS. ONE OF THE SWITCHES CONTROLS THE OPERATION OF THE STACK
AND IS CALLED THE STACK MASTER. THE STACK MASTER AND THE OTHER SWITCHES IN THE
STACK ARE STACK MEMBERS. THE STACK MEMBERS USE THE CISCO STACKWISE
TECHNOLOGY TO BEHAVE AND WORK TOGETHER AS A UNIFIED SYSTEM. LAYER 2 AND
LAYER 3 PROTOCOLS PRESENT THE ENTIRE SWITCH STACK AS A SINGLE ENTITY TO THE
NETWORK.
YOU MANAGE THE SWITCH STACK THROUGH A SINGLE IP ADDRESS.
Prepared by: iTawy Team 2015
STACK MASTER
• STACK CREATED BY CONNECTING SWITCHES USING CISCO PROPRIETARY STACKING CABLE
• ONE SWITCH BECOMES STACK MASTER
• ALL SWITCHES HAVE THE ABILITY TO BE STACK MASTER – NO SPECIAL HARDWARE/SOFTWARE
REQUIRED
• DURING FORMATION OF STACK, STACK MASTER IS ELECTED
• THE STACK MASTER CAN BE SELECTED BY ASSIGNING A USER-CONFIGURABLE PRIORITY
• A SWITCH STACK IS IDENTIFIED IN THE NETWORK BY ITS BRIDGE ID AND, ITS ROUTER MAC ADDRESS.
• THE BRIDGE ID AND ROUTER MAC ADDRESS ARE DETERMINED BY THE MAC ADDRESS OF THE
STACK MASTER.
• EVERY STACK MEMBER IS UNIQUELY IDENTIFIED BY ITS OWN STACK MEMBER NUMBER.
• THE SWITCH WITH THE HIGHEST PRIORITY VALUE BECOMES THE STACK MASTER.
• A SWITCH RUNNING THE EMI SOFTWARE IS THE STACK MASTER.
• THE STACK MASTER CONTAINS THE SAVED AND RUNNING CONFIGURATION FILES FOR THE SWITCH
STACK.
Prepared by: iTawy Team 2015
SWITCH STACK MEMBERSHIP
A SWITCH STACK HAS UP TO NINE STACK MEMBERS CONNECTED THROUGH THEIR
STACKWISE PORTS. A SWITCH STACK ALWAYS HAS ONE STACK MASTER.
CREATING A SWITCH STACK FROM TWO STANDALONE SWITCHES
A STANDALONE SWITCH IS A SWITCH STACK WITH ONE STACK MEMBER THAT ALSO OPERATES
AS THE STACK MASTER. YOU CAN CONNECT ONE STANDALONE SWITCH TO ANOTHER TO
CREATE A SWITCH STACK CONTAINING TWO STACK MEMBERS, WITH ONE OF THEM BEING
THE STACK MASTER.
Prepared by: iTawy Team 2015
ADDING A STANDALONE SWITCH TO A SWITCH STACK
YOU CAN CONNECT STANDALONE SWITCHES TO AN EXISTING SWITCH STACK TO INCREASE THE
STACK MEMBERSHIP.
TIPS:
AFTER ADDING OR REMOVING STACK MEMBERS, MAKE SURE THAT THE SWITCH STACK IS
OPERATING AT FULL BANDWIDTH (32 GBPS).
MAKE SURE THE SWITCHES THAT YOU ADD TO OR REMOVE FROM THE SWITCH STACK ARE
POWERED OFF.
Prepared by: iTawy Team 2015
STACK MASTER ELECTION AND RE-
ELECTION
THE STACK MASTER IS ELECTED OR RE-ELECTED BASED ON ONE OF THESE FACTORS AND IN THE ORDER
LISTED:
• A. STACK MASTER ELECTION IS BASED ON THE STACK MEMBER PRIORITY VALUE
• B. STACK MASTER ELECTION SPECIFICALLY DETERMINED BY THE CONFIGURATION FILE
• C. STACK MASTER ELECTION SPECIFICALLY DETERMINED BY THE CRYPTOGRAPHIC EMI SOFTWARE
• D. STACK MASTER ELECTION SPECIFICALLY DETERMINED BY THE EMI SOFTWARE
• E. STACK MASTER ELECTION SPECIFICALLY DETERMINED BY THE CRYPTOGRAPHIC SMI SOFTWARE
• F. STACK MASTER ELECTION SPECIFICALLY DETERMINED BY THE MAC ADDRESS
TIPS:
ASSUMING THAT BOTH STACK MEMBERS HAVE THE SAME PRIORITY VALUE, CONFIGURATION FILE,
AND SOFTWARE IMAGE, RESTART BOTH STACK MEMBERS AT THE SAME TIME,
THE STACK MEMBER WITH THE LOWER MAC ADDRESS IS ELECTED STACK MASTER.
Prepared by: iTawy Team 2015
A STACK MASTER RETAINS ITS ROLE UNLESS ONE OF THESE EVENTS OCCURS:
THE SWITCH STACK IS RESET.
THE STACK MASTER IS REMOVED FROM THE SWITCH STACK.
THE STACK MASTER IS RESET OR POWERED OFF.
THE STACK MASTER HAS FAILED.
Prepared by: iTawy Team 2015
SWITCH STACK CONFIGURATION FILES
• THE CONFIGURATION FILES RECORD
SYSTEM-LEVEL (GLOBAL) CONFIGURATION SETTINGS—SUCH AS IP, STP, VLAN, AND SNMP
SETTINGS—THAT APPLY TO ALL STACK MEMBERS
STACK MEMBER INTERFACE-SPECIFIC CONFIGURATION SETTINGS, WHICH ARE SPECIFIC FOR EACH STACK
MEMBER
NOTE: WE RECOMMEND THAT ALL STACK MEMBERS ARE INSTALLED WITH CISCO IOS RELEASE
12.1(14)EA1 OR LATER TO ENSURE THAT THE INTERFACE-SPECIFIC SETTINGS OF THE STACK MASTER ARE
SAVED, IN CASE THE STACK MASTER IS REPLACED WITHOUT SAVING THE RUNNING CONFIGURATION TO
THE STARTUP CONFIGURATION.
IF A STACK MEMBER FAILS AND YOU REPLACE WITH IT WITH AN IDENTICAL MODEL, THE REPLACEMENT
SWITCH AUTOMATICALLY USES THE SAME INTERFACE-SPECIFIC CONFIGURATION AS THE FAILED SWITCH.
HENCE, YOU DO NOT NEED TO RECONFIGURE THE INTERFACE SETTINGS. THE REPLACEMENT SWITCH
MUST HAVE THE SAME STACK MEMBER NUMBER AS THE FAILED SWITCH.
Prepared by: iTawy Team 2015
SWITCH STACK MANAGEMENT
CONNECTIVITY
YOU MANAGE THE SWITCH STACK AND THE STACK MEMBER INTERFACES THROUGH THE STACK MASTER.
YOU CAN USE CLUSTER MANAGEMENT SUITE (CMS), THE CLI, AND SNMP AND CISCOWORKS
NETWORK MANAGEMENT APPLICATIONS. YOU CANNOT MANAGE STACK MEMBERS ON AN INDIVIDUAL
SWITCH BASIS.
• CONNECTIVITY TO THE SWITCH STACK THROUGH AN IP ADDRESS
THE SWITCH STACK IS MANAGED THROUGH A SINGLE IP ADDRESS. THE IP ADDRESS IS A SYSTEM-LEVEL
SETTING AND IS NOT SPECIFIC TO THE STACK MASTER OR TO ANY OTHER STACK MEMBER.
NOTE: STACK MEMBERS RETAIN THEIR IP ADDRESSES WHEN YOU REMOVE THEM FROM A SWITCH
STACK. TO AVOID A CONFLICT CHANGE THE IP ADDRESS OF THE SWITCH THAT YOU REMOVED FROM
THE SWITCH STACK.
• CONNECTIVITY TO THE SWITCH STACK THROUGH AN SSH SESSION
A SWITCH RUNNING THE CRYPTOGRAPHIC VERSION OF THE SMI OR EMI SOFTWARE IS THE STACK
MASTER.
NOTE: ENCRYPTION FEATURES ARE UNAVAILABLE IF THE STACK MASTER IS RUNNING THE
NONCRYPTOGRAPHIC VERSION OF THE SMI OR EMI SOFTWARE.
Prepared by: iTawy Team 2015
• CONNECTIVITY TO THE SWITCH STACK THROUGH CONSOLE PORTS
YOU CAN CONNECT TO THE STACK MASTER THROUGH THE CONSOLE PORT OF ONE OR MORE
STACK MEMBERS.
NOTE: WE RECOMMEND USING ONLY ONE CLI SESSION WHEN MANAGING THE SWITCH STACK.
• CONNECTIVITY TO SPECIFIC STACK MEMBERS
IF YOU WANT TO CONFIGURE A SPECIFIC STACK MEMBER PORT, YOU MUST INCLUDE THE STACK
MEMBER NUMBER IN THE CLI COMMAND INTERFACE NOTATION.
FOR EXAMPLE, SWITCH-2# IS THE PROMPT IN PRIVILEGED EXEC MODE FOR STACK MEMBER 2,
AND THE SYSTEM PROMPT FOR THE STACK MASTER IS SWITCH. ONLY THE SHOW AND DEBUG
COMMANDS ARE AVAILABLE IN A CLI SESSION TO A SPECIFIC STACK MEMBER.
Prepared by: iTawy Team 2015
STACK MEMBER NUMBERS / PRIORITY VALUES
• STACK MEMBER NUMBERS
THE STACK MEMBER NUMBER (1 TO 9) IDENTIFIES EACH MEMBER IN THE SWITCH STACK. THE MEMBER
NUMBER ALSO DETERMINES THE INTERFACE-LEVEL CONFIGURATION THAT A STACK MEMBER USES. YOU
CAN DISPLAY THE STACK MEMBER NUMBER BY USING THE SHOW SWITCH USER EXEC COMMAND.
NOTE: IF YOU MANUALLY CHANGE THE NUMBER OF A STACK MEMBER AND NO INTERFACE-LEVEL
CONFIGURATION IS ASSOCIATED WITH THAT NEW MEMBER NUMBER, THAT STACK MEMBER RESETS TO ITS
DEFAULT CONFIGURATION.
• STACK MEMBER PRIORITY VALUES
A HIGHER PRIORITY VALUE FOR A STACK MEMBER INCREASES ITS LIKELIHOOD TO BE ELECTED STACK
MASTER AND TO RETAIN ITS STACK MEMBER NUMBER. THE PRIORITY VALUE CAN BE 1 TO 15. THE DEFAULT
PRIORITY VALUE IS 1. YOU CAN DISPLAY THE STACK MEMBER PRIORITY VALUE BY USING THE SHOW
SWITCH USER EXEC COMMAND.
NOTE: WE RECOMMEND ASSIGNING THE HIGHEST PRIORITY VALUE TO THE SWITCH THAT YOU PREFER TO
BE THE STACK MASTER. THIS ENSURES THAT THE SWITCH IS RE-ELECTED AS STACK MASTER IF A RE-ELECTION
OCCURS.
Prepared by: iTawy Team 2015
ASSIGNING STACK MEMBER INFORMATION
CONFIGURATION INFORMATION:
DEFAULT SWITCH STACK CONFIGURATION
ASSIGNING A STACK MEMBER NUMBER (OPTIONAL)
SETTING THE STACK MEMBER PRIORITY VALUE (OPTIONAL)
ACCESSING THE CLI OF A SPECIFIC STACK MEMBER (OPTIONAL)
DEFAULT SWITCH STACK CONFIGURATION
FEATURE DEFAULT SETTING
STACK MEMBER NUMBER 1
STACK MEMBER PRIORITY VALUE 1
Prepared by: iTawy Team 2015
ASSIGNING A STACK MEMBER NUMBER
Command Purpose
Step 1 configure terminal Enter global configuration mode.
Step 2
switch current-stack-member-number
renumber new-stack-member-number
Specify the current stack member number and the new stack
member number for the stack member. The stack member
number range is 1 to 9. You can display the current stack
member number by using the show switch user EXEC
command.
Step 3 end Return to privileged EXEC mode.
Step 4 reload slot stack-member-number Reset the stack member, and apply this configuration change.
Step 5 show switch Verify the stack member number.
Note: This task is available only from the stack master.
In global configuration mode
Prepared by: iTawy Team 2015
SETTING THE STACK MEMBER PRIORITY
VALUE
Command Purpose
Step 1 configure terminal Enter global configuration mode.
Step 2
switch stack-member-
number priority priority-
number
Specify the stack member number and the priority for the stack member.
The stack member number range is 1 to 9. The priority value range is 1 to
15. You can display the current priority value by using the show switch user
EXEC command. The new priority value takes effect immediately but does
not affect the current stack master. The new priority value helps determine
which stack member is elected as the new stack master when the current
stack master or switch stack resets.
Step 3 end Return to privileged EXEC mode.
Step 4
show switch stack-
member-number Verify the stack member priority value.
Note: This task is available only from the stack master.
In global configuration mode
Prepared by: iTawy Team 2015
ACCESSING THE CLI OF A SPECIFIC STACK MEMBER
YOU CAN ACCESS ALL OR SPECIFIC STACK MEMBERS BY USING THE REMOTE COMMAND {ALL |
STACK-MEMBER-NUMBER} PRIVILEGED EXEC COMMAND.
THE STACK MEMBER NUMBER RANGE IS 1 TO 9.
YOU CAN ACCESS SPECIFIC STACK MEMBERS BY USING THE SESSION STACK-MEMBER-NUMBER
PRIVILEGED EXEC COMMAND.
THE STACK MEMBER NUMBER RANGE IS 1 TO 9.
THE STACK MEMBER NUMBER IS APPENDED TO THE SYSTEM PROMPT.
NOTE: THIS TASK IS AVAILABLE ONLY FROM THE STACK MASTER. THIS TASK IS ONLY FOR DEBUGGING
PURPOSES.
Prepared by: iTawy Team 2015
FOR EXAMPLE:
WNISW01#SESSION ?
<1-9> SWITCH NUMBER
WNISW01#SESSION 3
WNISW01-3#SH VER
WNISW01-3 UPTIME IS 9 WEEKS, 3 DAYS, 20 HOURS, 7 MINUTES
SYSTEM RETURNED TO ROM BY POWER-ON
SYSTEM RESTARTED AT 12:53:52 NZDT SUN DEC 14 2008
SYSTEM IMAGE FILE IS "FLASH:/C3750-IPBASEK9-MZ.122-44.SE.BIN"
WNISW01-3#CONF T
^
% INVALID INPUT DETECTED AT '^' MARKER.
WNISW01-3# EXIT / Q [ COMMAND TO COME OUT FROM THE MEMBER MODE TO STACK MASTER ]
• WNISW01#
NOTE: ONLY THE SHOW AND DEBUG COMMANDS ARE AVAILABLE IN A CLI SESSION TO A SPECIFIC STACK MEMBER.
Prepared by: iTawy Team 2015
DISPLAYING INFORMATION ABOUT THE SWITCH STACK
COMMANDS TO DISPLAY THE CONFIGURATION CHANGES THAT YOU SAVE AFTER YOU RESET A SPECIFIC STACK MEMBER OR THE SWITCH STACK.
WNISW01#SH SWITCH DETAIL
SWITCH/STACK MAC ADDRESS : 0013.60E6.B880
H/W CURRENT
SWITCH# ROLE MAC ADDRESS PRIORITY VERSION STATE
----------------------------------------------------------
*1 MASTER 0013.60E6.B880 15 0 READY
2 MEMBER 0013.7FDB.4300 1 0 READY
3 MEMBER 001A.A25F.9D00 1 0 READY
4 MEMBER 001C.0E3E.BD00 1 0 READY
STACK PORT STATUS NEIGHBORS
SWITCH# PORT 1 PORT 2 PORT 1 PORT 2
--------------------------------------------------------
1 OK OK 2 4
2 OK OK 3 1
3 OK OK 4 2
4 OK OK 1 3
Prepared by: iTawy Team 2015
CISCO CATALYST 3750-E MODELS
PoE and data only options
Any 3750-E model can be connected with another through StackWise Plus
3750-E models can be combined in a stack with existing 3750 models in a mixed stack
24 10/100/1000T Ports + 2x 10GE
48 10/100/1000T Ports + 2x 10GE
24 10/100/1000T Ports w/POE + 2x 10GE
48 10/100/1000T Ports w/POE + 2x 10GE
Prepared by: iTawy Team 2015
FEATURES
Ease of Use and Deployment
Cisco EnergyWise
Availability and Scalability
>Superior Redundancy for Fault Backup
>High-Performance IP Routing
>Integrated Cisco IOS Software Features for Bandwidth Optimization
>Scalable Stacking
QoS and Control
>Advanced QoS
>Granular Rate Limiting
Network Security
>Networkwide Security Features
Manageability
>Superior Manageability
>Cisco Network Assistant Software
>Smartports
Easy Web Setup
CiscoWorks Support
Prepared by: iTawy Team 2015
contact
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Prepared by: iTawy Team 2015
THANKS …
Prepared by: iTawy Team 2015

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Cisco stack wise technology

  • 2. OBJECTIVE  Understanding Switch Stacks  Stack Master  Switch Stack Management Connectivity  Stack Member Numbers / Priority Values  Assigning Stack Member Information  Cisco Catalyst 3750-E Models  Feature Prepared by: iTawy Team 2015
  • 3. UNDERSTANDING SWITCH STACKS A SWITCH STACK IS A SET OF UP TO NINE CATALYST 3750 SWITCHES CONNECTED THROUGH THEIR STACKWISE PORTS. ONE OF THE SWITCHES CONTROLS THE OPERATION OF THE STACK AND IS CALLED THE STACK MASTER. THE STACK MASTER AND THE OTHER SWITCHES IN THE STACK ARE STACK MEMBERS. THE STACK MEMBERS USE THE CISCO STACKWISE TECHNOLOGY TO BEHAVE AND WORK TOGETHER AS A UNIFIED SYSTEM. LAYER 2 AND LAYER 3 PROTOCOLS PRESENT THE ENTIRE SWITCH STACK AS A SINGLE ENTITY TO THE NETWORK. YOU MANAGE THE SWITCH STACK THROUGH A SINGLE IP ADDRESS. Prepared by: iTawy Team 2015
  • 4. STACK MASTER • STACK CREATED BY CONNECTING SWITCHES USING CISCO PROPRIETARY STACKING CABLE • ONE SWITCH BECOMES STACK MASTER • ALL SWITCHES HAVE THE ABILITY TO BE STACK MASTER – NO SPECIAL HARDWARE/SOFTWARE REQUIRED • DURING FORMATION OF STACK, STACK MASTER IS ELECTED • THE STACK MASTER CAN BE SELECTED BY ASSIGNING A USER-CONFIGURABLE PRIORITY • A SWITCH STACK IS IDENTIFIED IN THE NETWORK BY ITS BRIDGE ID AND, ITS ROUTER MAC ADDRESS. • THE BRIDGE ID AND ROUTER MAC ADDRESS ARE DETERMINED BY THE MAC ADDRESS OF THE STACK MASTER. • EVERY STACK MEMBER IS UNIQUELY IDENTIFIED BY ITS OWN STACK MEMBER NUMBER. • THE SWITCH WITH THE HIGHEST PRIORITY VALUE BECOMES THE STACK MASTER. • A SWITCH RUNNING THE EMI SOFTWARE IS THE STACK MASTER. • THE STACK MASTER CONTAINS THE SAVED AND RUNNING CONFIGURATION FILES FOR THE SWITCH STACK. Prepared by: iTawy Team 2015
  • 5. SWITCH STACK MEMBERSHIP A SWITCH STACK HAS UP TO NINE STACK MEMBERS CONNECTED THROUGH THEIR STACKWISE PORTS. A SWITCH STACK ALWAYS HAS ONE STACK MASTER. CREATING A SWITCH STACK FROM TWO STANDALONE SWITCHES A STANDALONE SWITCH IS A SWITCH STACK WITH ONE STACK MEMBER THAT ALSO OPERATES AS THE STACK MASTER. YOU CAN CONNECT ONE STANDALONE SWITCH TO ANOTHER TO CREATE A SWITCH STACK CONTAINING TWO STACK MEMBERS, WITH ONE OF THEM BEING THE STACK MASTER. Prepared by: iTawy Team 2015
  • 6. ADDING A STANDALONE SWITCH TO A SWITCH STACK YOU CAN CONNECT STANDALONE SWITCHES TO AN EXISTING SWITCH STACK TO INCREASE THE STACK MEMBERSHIP. TIPS: AFTER ADDING OR REMOVING STACK MEMBERS, MAKE SURE THAT THE SWITCH STACK IS OPERATING AT FULL BANDWIDTH (32 GBPS). MAKE SURE THE SWITCHES THAT YOU ADD TO OR REMOVE FROM THE SWITCH STACK ARE POWERED OFF. Prepared by: iTawy Team 2015
  • 7. STACK MASTER ELECTION AND RE- ELECTION THE STACK MASTER IS ELECTED OR RE-ELECTED BASED ON ONE OF THESE FACTORS AND IN THE ORDER LISTED: • A. STACK MASTER ELECTION IS BASED ON THE STACK MEMBER PRIORITY VALUE • B. STACK MASTER ELECTION SPECIFICALLY DETERMINED BY THE CONFIGURATION FILE • C. STACK MASTER ELECTION SPECIFICALLY DETERMINED BY THE CRYPTOGRAPHIC EMI SOFTWARE • D. STACK MASTER ELECTION SPECIFICALLY DETERMINED BY THE EMI SOFTWARE • E. STACK MASTER ELECTION SPECIFICALLY DETERMINED BY THE CRYPTOGRAPHIC SMI SOFTWARE • F. STACK MASTER ELECTION SPECIFICALLY DETERMINED BY THE MAC ADDRESS TIPS: ASSUMING THAT BOTH STACK MEMBERS HAVE THE SAME PRIORITY VALUE, CONFIGURATION FILE, AND SOFTWARE IMAGE, RESTART BOTH STACK MEMBERS AT THE SAME TIME, THE STACK MEMBER WITH THE LOWER MAC ADDRESS IS ELECTED STACK MASTER. Prepared by: iTawy Team 2015
  • 8. A STACK MASTER RETAINS ITS ROLE UNLESS ONE OF THESE EVENTS OCCURS: THE SWITCH STACK IS RESET. THE STACK MASTER IS REMOVED FROM THE SWITCH STACK. THE STACK MASTER IS RESET OR POWERED OFF. THE STACK MASTER HAS FAILED. Prepared by: iTawy Team 2015
  • 9. SWITCH STACK CONFIGURATION FILES • THE CONFIGURATION FILES RECORD SYSTEM-LEVEL (GLOBAL) CONFIGURATION SETTINGS—SUCH AS IP, STP, VLAN, AND SNMP SETTINGS—THAT APPLY TO ALL STACK MEMBERS STACK MEMBER INTERFACE-SPECIFIC CONFIGURATION SETTINGS, WHICH ARE SPECIFIC FOR EACH STACK MEMBER NOTE: WE RECOMMEND THAT ALL STACK MEMBERS ARE INSTALLED WITH CISCO IOS RELEASE 12.1(14)EA1 OR LATER TO ENSURE THAT THE INTERFACE-SPECIFIC SETTINGS OF THE STACK MASTER ARE SAVED, IN CASE THE STACK MASTER IS REPLACED WITHOUT SAVING THE RUNNING CONFIGURATION TO THE STARTUP CONFIGURATION. IF A STACK MEMBER FAILS AND YOU REPLACE WITH IT WITH AN IDENTICAL MODEL, THE REPLACEMENT SWITCH AUTOMATICALLY USES THE SAME INTERFACE-SPECIFIC CONFIGURATION AS THE FAILED SWITCH. HENCE, YOU DO NOT NEED TO RECONFIGURE THE INTERFACE SETTINGS. THE REPLACEMENT SWITCH MUST HAVE THE SAME STACK MEMBER NUMBER AS THE FAILED SWITCH. Prepared by: iTawy Team 2015
  • 10. SWITCH STACK MANAGEMENT CONNECTIVITY YOU MANAGE THE SWITCH STACK AND THE STACK MEMBER INTERFACES THROUGH THE STACK MASTER. YOU CAN USE CLUSTER MANAGEMENT SUITE (CMS), THE CLI, AND SNMP AND CISCOWORKS NETWORK MANAGEMENT APPLICATIONS. YOU CANNOT MANAGE STACK MEMBERS ON AN INDIVIDUAL SWITCH BASIS. • CONNECTIVITY TO THE SWITCH STACK THROUGH AN IP ADDRESS THE SWITCH STACK IS MANAGED THROUGH A SINGLE IP ADDRESS. THE IP ADDRESS IS A SYSTEM-LEVEL SETTING AND IS NOT SPECIFIC TO THE STACK MASTER OR TO ANY OTHER STACK MEMBER. NOTE: STACK MEMBERS RETAIN THEIR IP ADDRESSES WHEN YOU REMOVE THEM FROM A SWITCH STACK. TO AVOID A CONFLICT CHANGE THE IP ADDRESS OF THE SWITCH THAT YOU REMOVED FROM THE SWITCH STACK. • CONNECTIVITY TO THE SWITCH STACK THROUGH AN SSH SESSION A SWITCH RUNNING THE CRYPTOGRAPHIC VERSION OF THE SMI OR EMI SOFTWARE IS THE STACK MASTER. NOTE: ENCRYPTION FEATURES ARE UNAVAILABLE IF THE STACK MASTER IS RUNNING THE NONCRYPTOGRAPHIC VERSION OF THE SMI OR EMI SOFTWARE. Prepared by: iTawy Team 2015
  • 11. • CONNECTIVITY TO THE SWITCH STACK THROUGH CONSOLE PORTS YOU CAN CONNECT TO THE STACK MASTER THROUGH THE CONSOLE PORT OF ONE OR MORE STACK MEMBERS. NOTE: WE RECOMMEND USING ONLY ONE CLI SESSION WHEN MANAGING THE SWITCH STACK. • CONNECTIVITY TO SPECIFIC STACK MEMBERS IF YOU WANT TO CONFIGURE A SPECIFIC STACK MEMBER PORT, YOU MUST INCLUDE THE STACK MEMBER NUMBER IN THE CLI COMMAND INTERFACE NOTATION. FOR EXAMPLE, SWITCH-2# IS THE PROMPT IN PRIVILEGED EXEC MODE FOR STACK MEMBER 2, AND THE SYSTEM PROMPT FOR THE STACK MASTER IS SWITCH. ONLY THE SHOW AND DEBUG COMMANDS ARE AVAILABLE IN A CLI SESSION TO A SPECIFIC STACK MEMBER. Prepared by: iTawy Team 2015
  • 12. STACK MEMBER NUMBERS / PRIORITY VALUES • STACK MEMBER NUMBERS THE STACK MEMBER NUMBER (1 TO 9) IDENTIFIES EACH MEMBER IN THE SWITCH STACK. THE MEMBER NUMBER ALSO DETERMINES THE INTERFACE-LEVEL CONFIGURATION THAT A STACK MEMBER USES. YOU CAN DISPLAY THE STACK MEMBER NUMBER BY USING THE SHOW SWITCH USER EXEC COMMAND. NOTE: IF YOU MANUALLY CHANGE THE NUMBER OF A STACK MEMBER AND NO INTERFACE-LEVEL CONFIGURATION IS ASSOCIATED WITH THAT NEW MEMBER NUMBER, THAT STACK MEMBER RESETS TO ITS DEFAULT CONFIGURATION. • STACK MEMBER PRIORITY VALUES A HIGHER PRIORITY VALUE FOR A STACK MEMBER INCREASES ITS LIKELIHOOD TO BE ELECTED STACK MASTER AND TO RETAIN ITS STACK MEMBER NUMBER. THE PRIORITY VALUE CAN BE 1 TO 15. THE DEFAULT PRIORITY VALUE IS 1. YOU CAN DISPLAY THE STACK MEMBER PRIORITY VALUE BY USING THE SHOW SWITCH USER EXEC COMMAND. NOTE: WE RECOMMEND ASSIGNING THE HIGHEST PRIORITY VALUE TO THE SWITCH THAT YOU PREFER TO BE THE STACK MASTER. THIS ENSURES THAT THE SWITCH IS RE-ELECTED AS STACK MASTER IF A RE-ELECTION OCCURS. Prepared by: iTawy Team 2015
  • 13. ASSIGNING STACK MEMBER INFORMATION CONFIGURATION INFORMATION: DEFAULT SWITCH STACK CONFIGURATION ASSIGNING A STACK MEMBER NUMBER (OPTIONAL) SETTING THE STACK MEMBER PRIORITY VALUE (OPTIONAL) ACCESSING THE CLI OF A SPECIFIC STACK MEMBER (OPTIONAL) DEFAULT SWITCH STACK CONFIGURATION FEATURE DEFAULT SETTING STACK MEMBER NUMBER 1 STACK MEMBER PRIORITY VALUE 1 Prepared by: iTawy Team 2015
  • 14. ASSIGNING A STACK MEMBER NUMBER Command Purpose Step 1 configure terminal Enter global configuration mode. Step 2 switch current-stack-member-number renumber new-stack-member-number Specify the current stack member number and the new stack member number for the stack member. The stack member number range is 1 to 9. You can display the current stack member number by using the show switch user EXEC command. Step 3 end Return to privileged EXEC mode. Step 4 reload slot stack-member-number Reset the stack member, and apply this configuration change. Step 5 show switch Verify the stack member number. Note: This task is available only from the stack master. In global configuration mode Prepared by: iTawy Team 2015
  • 15. SETTING THE STACK MEMBER PRIORITY VALUE Command Purpose Step 1 configure terminal Enter global configuration mode. Step 2 switch stack-member- number priority priority- number Specify the stack member number and the priority for the stack member. The stack member number range is 1 to 9. The priority value range is 1 to 15. You can display the current priority value by using the show switch user EXEC command. The new priority value takes effect immediately but does not affect the current stack master. The new priority value helps determine which stack member is elected as the new stack master when the current stack master or switch stack resets. Step 3 end Return to privileged EXEC mode. Step 4 show switch stack- member-number Verify the stack member priority value. Note: This task is available only from the stack master. In global configuration mode Prepared by: iTawy Team 2015
  • 16. ACCESSING THE CLI OF A SPECIFIC STACK MEMBER YOU CAN ACCESS ALL OR SPECIFIC STACK MEMBERS BY USING THE REMOTE COMMAND {ALL | STACK-MEMBER-NUMBER} PRIVILEGED EXEC COMMAND. THE STACK MEMBER NUMBER RANGE IS 1 TO 9. YOU CAN ACCESS SPECIFIC STACK MEMBERS BY USING THE SESSION STACK-MEMBER-NUMBER PRIVILEGED EXEC COMMAND. THE STACK MEMBER NUMBER RANGE IS 1 TO 9. THE STACK MEMBER NUMBER IS APPENDED TO THE SYSTEM PROMPT. NOTE: THIS TASK IS AVAILABLE ONLY FROM THE STACK MASTER. THIS TASK IS ONLY FOR DEBUGGING PURPOSES. Prepared by: iTawy Team 2015
  • 17. FOR EXAMPLE: WNISW01#SESSION ? <1-9> SWITCH NUMBER WNISW01#SESSION 3 WNISW01-3#SH VER WNISW01-3 UPTIME IS 9 WEEKS, 3 DAYS, 20 HOURS, 7 MINUTES SYSTEM RETURNED TO ROM BY POWER-ON SYSTEM RESTARTED AT 12:53:52 NZDT SUN DEC 14 2008 SYSTEM IMAGE FILE IS "FLASH:/C3750-IPBASEK9-MZ.122-44.SE.BIN" WNISW01-3#CONF T ^ % INVALID INPUT DETECTED AT '^' MARKER. WNISW01-3# EXIT / Q [ COMMAND TO COME OUT FROM THE MEMBER MODE TO STACK MASTER ] • WNISW01# NOTE: ONLY THE SHOW AND DEBUG COMMANDS ARE AVAILABLE IN A CLI SESSION TO A SPECIFIC STACK MEMBER. Prepared by: iTawy Team 2015
  • 18. DISPLAYING INFORMATION ABOUT THE SWITCH STACK COMMANDS TO DISPLAY THE CONFIGURATION CHANGES THAT YOU SAVE AFTER YOU RESET A SPECIFIC STACK MEMBER OR THE SWITCH STACK. WNISW01#SH SWITCH DETAIL SWITCH/STACK MAC ADDRESS : 0013.60E6.B880 H/W CURRENT SWITCH# ROLE MAC ADDRESS PRIORITY VERSION STATE ---------------------------------------------------------- *1 MASTER 0013.60E6.B880 15 0 READY 2 MEMBER 0013.7FDB.4300 1 0 READY 3 MEMBER 001A.A25F.9D00 1 0 READY 4 MEMBER 001C.0E3E.BD00 1 0 READY STACK PORT STATUS NEIGHBORS SWITCH# PORT 1 PORT 2 PORT 1 PORT 2 -------------------------------------------------------- 1 OK OK 2 4 2 OK OK 3 1 3 OK OK 4 2 4 OK OK 1 3 Prepared by: iTawy Team 2015
  • 19. CISCO CATALYST 3750-E MODELS PoE and data only options Any 3750-E model can be connected with another through StackWise Plus 3750-E models can be combined in a stack with existing 3750 models in a mixed stack 24 10/100/1000T Ports + 2x 10GE 48 10/100/1000T Ports + 2x 10GE 24 10/100/1000T Ports w/POE + 2x 10GE 48 10/100/1000T Ports w/POE + 2x 10GE Prepared by: iTawy Team 2015
  • 20. FEATURES Ease of Use and Deployment Cisco EnergyWise Availability and Scalability >Superior Redundancy for Fault Backup >High-Performance IP Routing >Integrated Cisco IOS Software Features for Bandwidth Optimization >Scalable Stacking QoS and Control >Advanced QoS >Granular Rate Limiting Network Security >Networkwide Security Features Manageability >Superior Manageability >Cisco Network Assistant Software >Smartports Easy Web Setup CiscoWorks Support Prepared by: iTawy Team 2015
  • 22. THANKS … Prepared by: iTawy Team 2015