Monthly Archive: April 2015

Stateless DHCPv6 (config)#ipv6 dhcp pool ( name ) (config-dhcpv6)#dns-server ( address ) (config-dhcpv6)#domain-name ( name ) the following command to configure the VLAN (#) interface to operate as a DHCPv6 server using the pool name (config-if)#ipv6 dhcp server ( pool name…
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Stateless Address Autoconfiguration (SLAAC) is a form of IPv6 configuration in which an IPv6 gateway device can assign IPv6 addresses to clients from its own prefix. Unlike Dynamic Host Configuration Protocol version 6 (DHCPv6), SLAAC does not support more granular…
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StackWise-capable switch has a stack member number of 1 and a priority of 1. When a new switch is added to an existing stack, the member number will change to the lowest available number in the stack. The bridge ID…
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Basic Configuration : The following command to configure the switch interface with voice ( vlan # ) (config-if)#switchport voice vlan ( # ) The following command from global con  guration mode to enable QoS for the switch: (config)#mls qos The…
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Configuration example : (config)#spanning-tree mode mst  (config)#spanning-tree mst configuration (config-mst)#instance 1 vlan ( # ) (config-mst)#name  ( name ) (config-mst)#revision ( # ) (config-mst)#exit You can adjust the priority of the instance by using : (config)#spanning-tree mst (#) priority ( #…
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(config)#router eigrp ( name ) the following command to configure a unicast IPv4 address family that uses an AS (config-router)#address-family ipv4 unicast autonomous-system ( as ) the following commands to configure the IPv4 address family to advertise the network (config-router-af)#network …
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Phase 1 With phase 1 we use NHRP so that spokes can register themselves with the hub. The hub is the only router that is using a multipoint GRE interface, all spokes will be using regular point-to-point GRE tunnel interfaces. This…
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IPSec can provide four important services: Confidentiality, data integrity, authentication, and anti-replay protection. Each service can be described in the following ways: • Confidentiality is attained through packet encryption, which prevents packets from being read if they are intercepted. •…
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The primary difference between DMVPN Phase I and DMVPN Phase II is that, in DMVPN Phase II, spoke routers are able to create dynamic tunnels with other spoke routers, whereas in DMVPN Phase I, they are not. The primary benefit…
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