Instant Access 15 1
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CH A P T E R 2 Instant Access (IA) Note • Prerequisites for Instant Access, page 2-1 • Restrictions for Instant Access, page 2-2 • Information About Instant Access, page 2-6 • Default Settings for Instant Access, page 2-6 • How to Configure Instant Access, page 2-7 • For complete syntax and usage information for the commands used in this chapter, see these publications: http://www.cisco.com/en/US/products/ps11846/prod_command_reference_list.html • Cisco IOS Release 15.1SY supports only Ethernet interfaces. Cisco IOS Release 15.1SY does not support any WAN features or commands. Prerequisites for Instant Access • An IA parent—A VSS-mode Catalyst 6800 switch or a VSS-mode Catalyst 6500 switch equipped with a Supervisor Engine 2T and one or more WS-X6904-40G-2T switching modules, configured to support 10GE links. • IA clients—Catalyst 6800ia access switches See this publication for more information: http://www.cisco.com/en/US/prod/collateral/switches/ps10902/ps715/ps13198/data_sheet_c78-72 8230.html • See this publication for more information about Instant Access: http://www.cisco.com/en/US/prod/collateral/switches/ps10902/ps715/ps13198/white_paper_c11-7 28265.html Supervisor Engine 2T Software Configuration Guide, Release 15.1SY 2-1 Chapter 2 Instant Access (IA) Restrictions for Instant Access • For image download during ISSU upgrade, remove ip tftp source-interface config on IA Parent, and add a static route to copy image through mgmt intf. Restrictions for Instant Access • The IA parent must operate in VSS mode. Note • • You can enable VSS mode on a single chassis to support IA clients. • The VSS Quad-Sup SSO (VS4O) feature is supported with IA clients from Release 15.1(2)SY2. The IA parent-client connection is supported on links between WS-X6904-40G-2T switching module 10GE ports and Catalyst 6800ia access switch 10GE ports. – You can use up to 6 IA client 10GE ports in the IA parent-client link. See this document for information about WS-X6904-40G-2T switching module port configuration: http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps708/white_paper_c11-696669 .html – IA client 10-Gigabit Ethernet ports require no configuration. – UDLD, LLDP, and CDP are not supported on the A parent-client link. – Instant Access does not use STP on the IA parent-client connection. – Use only XL based modules for scale FEX QoS configuration to prevent issues with TCAM (ternary content-addressable memory) utilization. When QoS policy is configured on 1500 FEX host ports, the first 511 interfaces share the TCAM utilization. But, remaining ports will start using new TCAM entries for each interface and will exhaust non-XL TCAM utilization. • IA client maximum values: • IA client ports do not support these features: Value Description: Maximum Value Maximum IA client ports 1008 ports across 21 Catalyst 6800ia access switches Maximum IA client stacks 12 (defined by IA client FEX number 1–12 range.) Maximum Catalyst 6800ia access switches 3 per IA client stack • An IA client stack acts as single switch unit. • Instant access only supports connection with stacking cables to form a stack. • With an IA client that has multiple Catalyst 6800ia access switches, the switches in the stack assign incrementing switch numbers to themselves (automatic stacking capability). • If you add Catalyst 6800ia access switches to a configured IA client, the additional switches assign incrementing switch numbers to themselves. • The IA client configuration does not persist if the access switch number changes. Supervisor Engine 2T Software Configuration Guide, Release 15.1SY 2-2 Chapter 2 Instant Access (IA) Restrictions for Instant Access Value Description: Maximum Value Maximum number of VLANs per IA client stack You can set upto 1,000 VLANs, we recommend to set not more than 20 VLANs per FEX. Maximum Number of Port Channels 512 – Configuring EtherChannels with combination of FEX Ports from different FEX-IDs or combination of FEX ports with IA parent switch linecard ports is not supported. However, FEX host port channel from the same FEX is supported. – FEX host port EtherChannel load balancing is not supported. – Port debounce timer – UDLR tunnel ARP and IGMP proxy – Uni-Directional Link Routing (UDLR) – IEEE 802.1Q tunneling – VLAN Mapping – VLAN Translation – IEEE 802.1Q custom ethertypes – L2PT - Layer 2 protocol tunneling – L2PT - Layer 2 protocol tunneling on trunk ports – 802.1ad tunnelling – Port security on 802.1Q tunnel ports – Private VLANs (PVLAN) – VACL capture – Per-VLAN load balancing for Advanced QinQ service mapping – Cisco TrustSec NDAC (Network Device Admission Control) – Cisco TrustSec security association protocol (SAP) for MACSec encryption – Cisco TrustSec confidentiality and integrity with MACsec (IEEE 802.1AE) – Cisco TrustSec identity port mapping – Network edge authentication topology (NEAT) – AutoQoS – MQC queuing policy support – Priority queueing (PQ) – QoS aggregated DSCP values for WRED – QoS aggregated precedence values for WRED – Class based weighted fair queuing (CBWFQ) – Class-based shaping – DiffServ-compliant dWRED – Diffserv-compliant WRED – Selective packet discard (SPD) Supervisor Engine 2T Software Configuration Guide, Release 15.1SY 2-3 Chapter 2 Instant Access (IA) Restrictions for Instant Access – Strict priority low latency queueing (LLQ) – Weighted fair queueing (WFQ) – Weighted RED (WRED) – QoS policer rate increase to 256G – Ethernet over MPLS (EoMPLS) - IEEE 802.1q Tag Stacking – H-VPLS N-PE redundancy for QinQ access – Connectivity fault management (CFM) – Ethernet connectivity fault management (E-CFM) – Ethernet local management interface (LMI) at provider edge (PE) – Ethernet operations, administration, and Maintenance (OAM) – Ethernet-OAM 3.0: CFM over BD, Untagged – IEEE 802.1ag - D8.1 standard Compliant CFM, Y.1731 multicast LBM / AIS / RDI / LCK, IP SLA for Ethernet – IEEE 802.1ag Compliant CFM (D8.1) • To use an IA client port as a SPAN destination, add the IA client port VLAN to the SPAN allowed VLAN list with the switchport trunk allowed vlan command. • When FEX IA parent-client link portchannel is configured as SPAN source in Tx direction or both directions, the SPAN destination should not be on the same FEX. This is applicable for both stacked and standalone FEX. • To enable formation of ISIS adjacencies on IA client ports, configure an explicit connectionless network service (CLNS) MTU size on the IA client and peer ports. The maximum MTU value that can be configured for CLNS is 9216. The CLNS MTU size should be the same on both sides of the ISIS link. This example shows how to configure the default MTU size on an IA client port: Router# configure terminal Router(config)# interface interface Gig118/1/0/1 Router(config-if)# ip router isis Router(config-if)# clns mtu 1497 Supervisor Engine 2T Software Configuration Guide, Release 15.1SY 2-4 Chapter 2 Instant Access (IA) Restrictions for Instant Access • IA client port QoS: – Configure ingress QoS on the IA parent port-channel interface. – The egress QoS configuration on IA client ports is not configurable. – Port architecture (Rx/Tx): 1p3q3t 1p3q3t strict-priority egress queue (queue 1) CoS Not supported DSCP 32, 33, 40–47 Tail-drop 100% (nonconfigurable) WRED-drop Not supported 1p3q3t standard egress queue 2 (high priority) Threshold 1 CoS Not supported DSCP 16–23, 26–31, 34–39 Tail-drop Disabled; 100% WRED-drop Not supported Thresholds 2 CoS Not supported DSCP 24 Tail-drop Disabled; 100% WRED-drop Not supported Thresholds 3 CoS Not supported DSCP 48-63 Tail-drop Disabled; 100% WRED-drop Not supported 1p3q3t standard egress queue 3 (medium priority) Threshold 1 CoS Not supported DSCP 25 Tail-drop Disabled; 70% WRED-drop Not supported Threshold 2 CoS Not supported DSCP None. Tail-drop Disabled; 100% WRED-drop Not supported Thresholds 3 CoS Not supported DSCP 0–7 Tail-drop Disabled; 100% WRED-drop Not supported Supervisor Engine 2T Software Configuration Guide, Release 15.1SY 2-5 Chapter 2 Instant Access (IA) Information About Instant Access 1p3q3t standard egress queue 4 (lowest priority) Threshold 1 CoS Not supported DSCP 8, 9, 11, 13, 15 Tail-drop Disabled; 70% WRED-drop Not supported Threshold 2 CoS Not supported DSCP 10, 12, 14 Tail-drop Disabled; 100% WRED-drop Not supported Threshold 3 CoS Not supported DSCP None. Tail-drop Disabled; 100% WRED-drop Not supported Information About Instant Access The Instant Access (IA) feature supports multiple Catalyst 6800ia access switches that function as clients of the IA parent switch. The IA parent and client switches form a single extended switch with a single management domain, managed by the IA parent. The IA parent uses the Satellite Discovery Protocol (SDP) and the Satellite Registration Protocol (SRP) to automatically discover IA clients when they connect and monitor the IA client-parent link. The IA parent upgrades the IA client software image if it is not the same as the parent. The IA parent features are applied to IA client traffic. The IA clients do not perform any local packet forwarding. All traffic originating from IA client ports are sent to the IA parent, which makes all the switching and forwarding decisions. These online diagnostic tests support Instant Access clients: • TestFexModeLoopback, page 1-4 • TestFexFabricLinkStatus, page 1-39 Default Settings for Instant Access By default, these configurations are present on each interface: switchport switchport trunk allowed vlan 1 switchport mode dynamic auto Supervisor Engine 2T Software Configuration Guide, Release 15.1SY 2-6 Chapter 2 Instant Access (IA) How to Configure Instant Access How to Configure Instant Access • Configure Instant Access Staggered Initialization Mode, page 2-7 • Enable IA Client Preprovisioning, page 2-7 • Configure Instant Access Port-Channel Interfaces, page 2-8 • Configure Instant Access Channel Groups, page 2-8 • Identify Connected IA Client Stack Modules, page 2-9 • Renumbering FEX Switch-ID, page 2-10 • Configure IA Clients, page 2-12 • Display or Clear SDP and SRP Traffic, page 2-13 • Configure Optional Parameters for an IA Client, page 2-13 Configure Instant Access Staggered Initialization Mode Instant Access staggered initialization mode avoids any excessively high CPU utilization that might occur if multiple IA clients attempt to initialize simultaneously. To configure Instant Access staggered initialization mode, perform this task: Command Purpose Router(config)# fex stagger delay_value Configures Instant Access staggered initialization mode. The delay_value can be 0 through 500. Note The recommended delay_value is 120. This example shows how to configure Instant Access staggered mode: Router# configure terminal Router(config)# fex stagger 120 Enable IA Client Preprovisioning To allow IA client port configuration before the IA client is connected, perform this task: Command Purpose Router# module provision create fex fex_number type {C6800IA-48FPD | C6800IA-48TD | C6800IA-48FPDR} [slot switch_number] Enables IA client port configuration before the IA client is connected. Enter the slot switch_number keyword and argument to enable configuration of a specific IA client stack member or an additional stack member before it is added to the IA client stack. Supervisor Engine 2T Software Configuration Guide, Release 15.1SY 2-7 Chapter 2 Instant Access (IA) How to Configure Instant Access Configure Instant Access Port-Channel Interfaces To create a port channel interface to support IA clients, perform this task: Command Purpose Step 1 Router(config)# interface port-channel group_number Creates the port channel interface. There can be up to a maximum of 512 port-channel interfaces (12 port-channel interfaces can be used to support IA clients). If desired, you can configure the group_number to match the IA client FEX number. Note Step 2 Router(config-if)# switchport Configures the port channel interface for Layer 2 switching. Step 3 Router(config-if)# switchport mode fex-fabric Configures the port channel interface to support IA clients. Step 4 Router(config-if)# fex associate fex_number Configures the IA client FEX number. • The valid value range is 101–199. • Maximum of 12 IA client FEX numbers. This example shows how to create port channel interface 1 and configure it to support IA FEX number 118: Router# configure terminal Router(config)# interface port-channel 118 Router(config-if)# switchport Router(config-if)# switchport mode fex-fabric Router(config-if)# fex associate 118 Configure Instant Access Channel Groups To configure channel groups to support IA clients, perform this task for the 10 Gigabit Ethernet LAN ports that connect to IA clients: Command Purpose Step 1 Router(config)# interface range first_10ge_port, last_10ge_port Selects the ports to configure. Step 2 Router(config-if)# switchport Configures the port channel interface for Layer 2 switching. Step 3 Router(config-if)# switchport mode fex-fabric Configures the port channel interface to support IA clients. Step 4 Router(config-if)# channel-group group_number mode on Configures the LAN port in an IA Client port channel and configures the mode as on. Note More links can be added to the channel group at any time. Supervisor Engine 2T Software Configuration Guide, Release 15.1SY 2-8 Chapter 2 Instant Access (IA) How to Configure Instant Access This example shows how to configure 10 Gigabit Ethernet ports 1/2/5 and 2/2/5 into port channel 118 with mode on: Router# configure terminal Router(config)# interface range tengigabitethernet 1/2/5, 2/2/5 Router(config-if)# switchport Router(config-if)# switchport mode fex-fabric Router(config-if)# channel-group 118 mode on Router(config-if)# end This example shows how to verify the IA configuration when the IA client is connected: Router# show fex 118 detail FEX: 118 Description: FEX0118 state: online FEX version: version_string Extender Model: C6800IA-48TD, Extender Serial: serial_number FCP ready: yes Image Version Check: enforced Fabric Portchannel Ports: 2 Fabric port for control traffic: Te1/2/5 Fabric interface state: Po20 - Interface Up. Te1/2/5 - Interface Up. state: bound Te2/2/5 - Interface Up. state: bound Identify Connected IA Client Stack Modules • Identify IA Client Stack Modules by Serial Number, page 2-9 • Identify IA Client Modules by Beacon LED, page 2-9 Identify IA Client Stack Modules by Serial Number This example shows how to identify IA client stack modules by serial number: Router# show interface fex Fabric Fabric Port FEX FEX FEX Port State Uplink Model Serial --------------------------------------------------------------------101 Te1/2/5 bound Te1/0/1 C6800IA-48FPD FHH1707P00S 101 Te1/2/13 bound Te2/0/1 C6800IA-48FPD FHH1707P00S 101 Te2/2/5 bound Te1/0/2 C6800IA-48FPD FHH1707P00S 101 Te2/2/13 bound Te2/0/2 C6800IA-48FPD FHH1707P00S 102 Te1/2/6 bound Te1/0/2 C6800IA-48TD FOC1709Z2V9 102 Te2/2/17 bound Te2/0/2 C6800IA-48TD FOC1709Z2V9 Identify IA Client Modules by Beacon LED Router(config)# hw-module fex <> slot <> led beacon This example shows how to activate the beacon LED on IA client 118, slot 1: Router(config)# hw-module fex 118 slot 1 led beacon This example shows how to verify the beacon LED on IA client 118, slot 1: Router(config)# show hw-module fex led beacon C6K FEX BLUE BEACON CONFIG ---------------------------------hw-module fex 118 slot 1 led beacon Supervisor Engine 2T Software Configuration Guide, Release 15.1SY 2-9 Chapter 2 Instant Access (IA) How to Configure Instant Access Renumbering FEX Switch-ID The renumbering of IA clients can be managed using switch-id allocation from controller, after stack boot up. Also, a priority can be assigned to the FEX members to take over as the master switch. The following conditions must exist for successful execution of FEX switch-id allocation: – For renumbering, the source slot should be online and the target slot should be offline. – If the source slot FEX type is different than target slot FEX type, the interface configurations will be lost if you proceed with renumbering. – Same target slot cannot be used for renumbering multiple source slots. – Same source slot cannot be renumbered to multiple target slot. – You can enter multiple renumbering entries along with different swapping scenarios. – When priority is modified for a member IA, the whole stack will reload. – During In Service Software Upgrade (ISSU) process, switch-id renumbering or priority changes are not allowed. To renumber FEX switch-id and assign priority, perform this task: Command Purpose Step 1 Switch# module provision update fex fex_id Enters into switch renumber sub-mode. Step 2 Switch(exec-fex-update)# renumber source_slot to Renumbers source_slot to target_slot target_slot Step 3 Switch(exec-fex-update)# priority source_slot value number Step 4 Switch(exec-fex-update)# commit Note Assigns the mentioned priority number to the source_slot. Commits all entries entered under exec-fex-update sub-mode. After the commit operation, you will be prompted whether you want to release the old source-vslot or not. This confirmation will not be asked only in a switch-id swap scenario (for example, renumber 1 to 2 and renumber 2 to 1) because both renumbering are done in a single commit operation. To renumber FEX switch-id when scale is set to maximum FEX slots, perform this task: Command Step 1 Switch# module provision update fex fex_id temp-vslot-allow enable Purpose When maximum vslots are already allocated, temp-vslot-allow will enable the temporary vslot module to come online. Step 2 Switch# module provision update fex fex_id Enters into switch renumber sub-mode. Step 3 Switch(exec-fex-update)# renumber source_slot to target_slot Renumbers source_slot to target_slot Step 4 Switch(exec-fex-update)# priority source_slot value Assigns the mentioned priority number to the source_slot. number Supervisor Engine 2T Software Configuration Guide, Release 15.1SY 2-10 Chapter 2 Instant Access (IA) How to Configure Instant Access Command Purpose Step 5 Switch(exec-fex-update)# commit Commits all entries entered under exec-fex-update sub-mode. Step 6 Switch# module provision update fex fex_id Disables the temporary vslot module to go offline. temp-vslot-allow disable Note After the commit operation, you will be prompted whether you want to release the old source-vslot or not. This confirmation will not be asked only in a switch-id swap scenario (for example, renumber 1 to 2 and renumber 2 to 1) because both renumbering are done in a single commit operation. Example: Renumbering FEX switch-id and setting priority Switch# module provision update fex 101 Switch(exec-fex-update) renumber 3 to 4 Switch(exec-fex-update) priority 2 value 1 %FEX 101 will reload upon commit. Are you sure you want to proceed? [no]: yes Switch(exec-fex-update)#commit %Do you want to release FEX 101 module 3 source interface configs(vslot) after module offline? [no]: yes %FEX 101 All modules will reload. Are you sure you want to proceed? [no]: yes Example: Identifying if temporary vslot is online This example shows how to identify when a particular temporary FEX vslot is online: Switch# show fex system platform usage FEX id usage details Fex-ids inuse: 150 Fex-ids online: 150 Total Used Free ----------42 1 41 FEX slot usage details FEX-id Switch-id Vslot Pslot Status --------------------------150 3 51 2 In-use 150 3 52 3 In-use 150 3 53 5 Reserved 150 3 55 4 In-use 150 3 92 1 Temp-In-use Total Used Reserved Temp-Use/Free Free --------------- ------------- ---47 3 1 1/4 42 Current Temp vslot allowed FEXs: 150 Current Temp VSLOT usage: -----------------------FEX 150 module 1 FEX ports usage details FEX-id Switch-id Ports -----------------150 3 192 Total Used Free Supervisor Engine 2T Software Configuration Guide, Release 15.1SY 2-11 Chapter 2 Instant Access (IA) How to Configure Instant Access ----2016 ---192 ---1824 Stack members usage details FEX-id Switch-id Used Free Example: Identifying FEX IDs where temp-vslot-allow command is enabled This example verifies the active entries under sub-mode and also the FEX IDs on which "temp-vslot-allow" is enabled. Switch(exec-fex-update)#show Current module renumber mappings for FEX 101 -------------------------------------------renumber 1 to 2 Current module Priority mappings for FEX 101 -------------------------------------------priority 1 value 15 Temp vslots allowed:YES Current Temp vslot allowed FEXs:101 Switch(exec-fex-update)# Configure IA Clients The configuration for IA clients can be entered on the IA parent before or after the IA clients are connected. IA client 10-Gigabit Ethernet ports require no configuration. IA client Gigabit Ethernet ports use this format: gigabitethernet/fex_number/access_switch_number/0/port_number – fex_number—The IA client FEX number: —Maximum of 12 IA FEX numbers. —The valid value range is 101–199. – access_switch_number—The access switch number: —The valid values are 1, 2, or 3. —Multiple-switch stacks assign incrementing switch numbers to themselves. —See the “Identify Connected IA Client Stack Modules” section on page 2-9. – The third interface parameter is always zero. – The port_number valid value range is 1–48. Note • IA client configuration does not persist if the access switch number changes. • The interface-range configuration mode supports IA clients ports (see “How to Configure a Range of Interfaces” section on page 10-2) Supervisor Engine 2T Software Configuration Guide, Release 15.1SY 2-12 Chapter 2 Instant Access (IA) How to Configure Instant Access Display or Clear SDP and SRP Traffic To display the counters that record the SDP packet traffic on IA client 118, enter the following command: Router# 130 129 130 129 Note show fex SDP pkts SDP pkts SDP pkts SDP pkts 118 protocol | incl SDP sent received sent received The command displays a sent and received value for each link in the IA channel group. To clear the protocol counters, enter the clear fex fex_number {sdp | srp} command. Configure Optional Parameters for an IA Client • Enter the IA Client Configuration Mode, page 2-13 • Configure a Description, page 2-13 • Configure the Custom Location Type Feature, page 2-13 • Configure MTU, page 2-14 Enter the IA Client Configuration Mode To enter the IA client configuration mode, perform this task: Command Router(config)# fex Router(config-fex)# Purpose fex_number Enters IA client configuration mode. Note Sets the IA client description to FEX0fex_number. Configure a Description To configure a description for the IA client or for each module in the IA client stack, perform this task: Command Purpose Router(config-fex)# [module module_number] description description_string Configures a description for the IA FEX number or for a module in the IA client stack. Configure the Custom Location Type Feature You can configure the custom location type feature for the IA client in IA client configuration mode. See these publications for information about the location command: http://www.cisco.com/en/US/docs/ios-xml/ios/cether/command/ce-cr-book.html http://www.cisco.com/en/US/docs/ios-xml/ios/cether/command/ce-e1.html Supervisor Engine 2T Software Configuration Guide, Release 15.1SY 2-13 Chapter 2 Instant Access (IA) How to Configure Instant Access Note The location commands support the optional fex-location keyword for IA clients. Configure MTU You can configure MTU on the IA FEX using the mtu command in fex config mode. In an IA client stack, the configured MTU value is applied to all the host members in the stack. To configure MTU for an IA client, perform this task: Command Purpose Router# configure terminal Enters the global configuration mode. Router(config)# fex 110 Enters IA client configuration mode. Router(config-fex)# mtu 2000 Resets the MTU value for the FEX system. All the FEX ports will be set to use the new MTU value. The default MTU value for a FEX host port is 9216. Note For Cisco Catalyst C6840 series switch, the maximum supported MTU for native interface is 9154.The default MTU value is 1500. If the MTU of peer (Catalyst 6880 or Sup2T) is configured higher than 9154, the packet will not be processed. When using existing configuration from a Catalyst 6880 or Sup2T, ensure that the MTU is reset or removed. Exits the global configuration mode. Router# end Note Reload the FEX for the MTU change to take effect. If you want to avoid reloading the FEX, you can configure an explicit connectionless network service (CLNS) MTU size on the IA client and peer ports as shown in the following example: Router# configure terminal Router(config)# interface interface Gig118/1/0/1 Router(config-if)# ip router isis Router(config-if)# clns mtu 1497 Supervisor Engine 2T Software Configuration Guide, Release 15.1SY 2-14
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File Type : PDF File Type Extension : pdf MIME Type : application/pdf PDF Version : 1.6 Linearized : No Language : en Page Mode : UseOutlines Page Count : 14 Access Level : Customer,Guest,Partner Secondary Concept : Content Type : cisco.com#US#postSales Ia Path : cisco.com#Products#Cisco Products#Switches#Campus LAN Switches - Core and Distribution#Cisco Catalyst 6500 Series Switches Auto Play : Modify Date : 2016:10:01 00:32:57-07:00 Entitlement Expression : contains( "0,1,2,3,4,7" , $profileField[3] ) Title : Instant Access Doc Type : TSD Products Configuration Guide Chapter Secondary Doctype : Document Id : 1462179665135250 Down Loadable : View Able : Producer : Acrobat Elements 10.0.0 (Windows); modified using iText 2.1.7 by 1T3XT Description : IA Staggered Initialization Mode, IA Client Preprovisioning, IA Port-Channel Interfaces, IA Channel Groups, Connected IA Client Stack Modules, IA Clients, SDP and SRP Traffic, IA Staggered Initialization Fire Wall : Alfresco Doc Version : Creator : FrameMaker 11.0 Country : US Alfresco Trace ID : Concept : Cisco Catalyst 6500 Series Switches Date : 2016-10-01T00:15:52.946-07:00 Author : ctsadmin-wem-p.gen Create Date : 2013:11:19 04:52:42ZEXIF Metadata provided by EXIF.tools