An Introduction to HyperFlex

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An Introduction to HyperFlex Cisco was founded in 1984 and has since grown to become a leader in networking, data center, and collaboration. They made an attempt to enter into the storage space with the purchase of Whiptail, a solid state memory storage solution in 2013. Rebranded as Cisco UCS Invicta, this solution was unsuccessful and was discontinued in 2015. Later in 2015, Cisco established OEM agreements with Springpath, a hyperconvergence software company. In rather effective…

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EVPN Route Targets

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EVPN Route Targets A new keyword is added to the existing route-target configuration to specify the route targets to be used when doing EVPN-VXLAN related processing. The base (existing) route target configuration does not affect EVPN-VXLAN related processing. You can have the same RT values for both base and vxlan routes MAC/IP Advertisement Route and IP Prefix Route is supported. The l2vpn evpn address-family can be configured and neighbors can exchange EVPN NLRI. The l2vpn-evpn-prefix-advertisement…

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RFC-EVPN Route Types

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Route Type Description RFC Route Type Explained 0 Reserved RFC 7432 1 Ethernet Auto-Discovery (A-D) route RFC 7432 EVPN Type 1 Explained 2 MAC/IP advertisement route RFC 7432 EVPN Type 2 Explained 3 Inclusive Multicast Route RFC 7432 EVPN Type 3 Explained 4 Ethernet Segment Route RFC 7432 EVPN Type 4 Explained 5 IP Prefix Route draft-ietf-bess-evpn-prefix-advertisement-04 EVPN Type 5 Explained 6 Selective Multicast Ethernet Tag Route draft-ietf-bess-evpn-igmp-mld-proxy-00 EVPN Type 6 Explained 7 IGMP Join…

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EVPN advertisements is Type 2

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The most common type of EVPN advertisements is Type 2 messages. These messages are MAC address advertisements. Each VTEP advertises any MAC address learned in its MAC and IP Neighbor table into BGP as a Type 2 EVPN advertisement. Then BGP transfers all these messages across all routing members so that every VTEP knows which MAC address is owned by which other VTEP. VXLAN routing has full VRF support, so that allows you to create…

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Resetting Your IX Codec Password

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Resetting Your IX Codec Password This section contains the following information about managing and troubleshooting password issues on the Cisco TelePresence IX System: Note You must be in the Cisco TelePresence room to read the newly requested passcode that shows on the main display. At each point where the pwrecovery account requires input, the program will wait up to 60 seconds. If nothing is entered, the system will inform you that the entry took too…

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Cisco 9900 Series IP Phones Factory Reset Method

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Unplug any PoE Ethernet cable or power supply With the phone completely powered off, press and hold the # button While still depressing the # button, connect power brick or PoE Ethernet The two top LEDs will be amber The mute light will stay red Immediately let go of the # button (lights will not change or you have failed) Immediately type the sequence 123 456 789 *0# without mistyping Only now will the red mute light go out The phone will boot up in FACTORY RESET…

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Nexsus 7K module Trouble-shooting Commands

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Powering On or Off Specific Module : config # poweroff module 5 # for power off config # no poweroff module 5 # for poweron module   power redundancy-mode power redundancy-mode {combined | insrc-redundant | ps-redundant | redundant} no power redundancy-mode {combined | insrc-redundant | ps-redundant | redundant} show diagnostic result module 18 show module tac-pac bootflash:tech.txt show tech module 1 show tech gold show hardware internal errors module 1 | diff – issue this…

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SNMP Configuration for Vmware Esxi 5/6

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How to enable SNMP on ESXi 5 / 5.5 / 6 There are a few steps involved in getting SNMP functional on ESXi. They go something like this. Set the SNMP community string Enable the SNMP service Add necessary firewall rules Enable the added firewall rule Restart the SNMP daemon esxcli system snmp set –communities PUBLIC esxcli system snmp set –enable true esxcli network firewall ruleset set –ruleset-id snmp –allowed-all true esxcli network firewall ruleset…

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