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Cisco Catalyst 2940 Series Supplementary Manual
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Cisco Catalyst 2940 Series Supplementary Manual

Cisco Catalyst 2940 Series Supplementary Manual

Smartports macros
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Cisco Catalyst 2940 Series Switches
Smartports Macros
March 8, 2004
Session Number
Presentation_ID
© 2003 Cisco Systems, Inc. All rights reserved.
1

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Summary of Contents for Cisco Catalyst 2940 Series

  • Page 1 Cisco Catalyst 2940 Series Switches Smartports Macros March 8, 2004 Session Number Presentation_ID © 2003 Cisco Systems, Inc. All rights reserved.
  • Page 2 ! Enable aggressive mode UDLD on all fiber uplinks udld aggressive ! Enable Rapid PVST+ and Loopguard spanning-tree mode rapid-pvst spanning-tree loopguard default spanning-tree extend system-id Presentation_ID 2 2 2 © 2003 Cisco Systems, Inc. All rights reserved.
  • Page 3 Enable 802.1w per VLAN Spanning Tree Allows quicker convergence times • spanning-tree loopguard default Helps prevent errant spanning tree loops • spanning-tree extend system-id Allows for VLAN IDs greater than 1024 Presentation_ID © 2003 Cisco Systems, Inc. All rights reserved. 3 3 3...
  • Page 4 ! Configure port as an edge network port spanning-tree portfast spanning-tree bpduguard enable ! Remark all inbound data packets with COS=0 mls qos cos override Presentation_ID © 2003 Cisco Systems, Inc. All rights reserved. 4 4 4...
  • Page 5 If port security is turned on, the default number of allowed MAC addresses is 1. For an IP phone, we need 3 – one for the workstation, one for the phone on the voice VLAN and one for the phone on the native VLAN for Cisco® Discovery Protocol.
  • Page 6 – without waiting for spanning tree (~3 sec) • spanning-tree bpduguard enable Disable the port if a switch or bridge is attached to this port. Inhibits errant network topologies and rogue switches. Presentation_ID © 2003 Cisco Systems, Inc. All rights reserved. 6 6 6...
  • Page 7 3 switchport port-security violation restrict switchport port-security aging time 2 switchport port-security aging type inactivity ! Enable qos to extend trust to attached Cisco phone mls qos trust device cisco-phone ! Configure port as an edge network port spanning-tree portfast...
  • Page 8 ! Configure qos to trust this interface mls qos trust cos ! 802.1w defines the link as pt-pt for rapid convergence spanning-tree link-type point-to-point Presentation_ID © 2003 Cisco Systems, Inc. All rights reserved. #commented out to show capability 8 8 8...

  • Page 9: Switchport Nonegotiate

    ISL on many switches. When the trunk is up and configured for 802.1q, the “switchport nonegotiate” can safely be entered • switchport trunk allowed VLAN This provides absolute control over which VLANs this switch will accept. Presentation_ID © 2003 Cisco Systems, Inc. All rights reserved. [data,voice,native] 9 9 9...
  • Page 10 Connected Uplink Switch for Cisco Switch Macro interface FastEthernet0/1 switchport trunk encapsulation dot1q switchport trunk native vlan switchport mode trunk mls qos trust cos auto qos voip trust macro description cisco-switch spanning-tree link-type point-to-point Presentation_ID © 2003 Cisco Systems, Inc. All rights reserved.
  • Page 11 ! Ensure fast access to the network when enabling the interface. ! Ensure that switch devices cannot become active on the interface. spanning-tree portfast spanning-tree bpduguard enable Presentation_ID © 2003 Cisco Systems, Inc. All rights reserved. #commented out to show capability...
  • Page 12 5 class CALL-CONTROL set cos 3 class MISSION-CRITICAL set cos 2 class MEDIA set cos 1 Presentation_ID © 2003 Cisco Systems, Inc. All rights reserved. interface FastEthernet0/1 no ip address no ip proxy-arp load-interval 30 full-duplex interface FastEthernet0/1.110 description Voice-VLAN encapsulation dot1Q ip address 10.6.9.129 255.255.255.192...
  • Page 13 Cisco Catalyst 2940 Series Global Macro Caveats • Example of global macro application Switch(config-if-range)# macro global apply cisco-global • vtp domain [smartports] There is a user interface to configure this. This is applied by using the ‘macro global apply cisco-global [smartports] <domain>...
  • Page 14 FastEthernet0/1 macro description cisco-desktop | cisco-desktop | cisco-phone • The command “switchport port-security maximum 1” listed in the cisco-desktop macro will NOT show up in the running config, and is a default condition. • VLAN’s should be pre-defined before any templates are applied because some templates will create VLAN’s, some will not.
  • Page 15 Cisco Catalyst 2940 Series Desktop with IP Phone Macro Application Caveats • Example of cisco-phone macro application: Switch(config)#interface range f0/1 - 48 Switch(config-if-range)#macro apply cisco-phone $AVID 2 $VVID 3 • The same warnings from IOS that were displayed for the desktop macro are not standard across all platforms.
  • Page 16 There is a plan for the commands shown on this slide to be incorporated in mid-2004. • VLANs should be predefined before any templates are applied because some templates will create VLANs, some will not. Presentation_ID © 2003 Cisco Systems, Inc. All rights reserved. VRANGE – This command is currently commented in the code but...
  • Page 17 There is a plan for the commands shown on this slide to be incorporated in mid-2004. • VLANs should be predefined before any templates are applied because some templates will create VLANs, some will not. Presentation_ID © 2003 Cisco Systems, Inc. All rights reserved. VRANGE – This command is currently commented in the code but...
  • Page 18 Presentation_ID Presentation_ID © 2003, Cisco Systems, Inc. All rights reserved. © 2003 Cisco Systems, Inc. All rights reserved.