A key thing to understand with OSPF are the different Link State Advertisements (LSA’s) and what they mean to you network configuration and design. The following table tries to summarise the important details.[table id=17 /]LSA types 1 and 2 are found in all areas, and are never flooded outside of …

NOTE: This entry is to be completed! The BIG-IP combines the two encoded values and inserts them into the persistence cookie. For example, using the IP address and port 10.1.1.100:8080 as encoded above, the persistence value BIG-IP LTM encodes in the cookie is as follows: 1677787402.36895.0000 Note: …

The VTP password can be done in 3 places; privilege mode VLAN database global config mode VTP can be configured under the VLAN database; vlan database vtp domain CCIE exit VTP password can be configured in 3 places; privileged mode VLAN database global configuration mode

Frame relay is; High Performance WAN protocol Layer 2 Originally designed for use in ISDN links but now for a variety of others Packet Switched Types of Frame Relay Point-to-point; L2-L3 mapping not required as only one DLCI is allowed on P2P interface Broadcast capability is automatically enabled …

Versions commonly used;- SNMPv1 – RFC 1157 - SNMPv2c (an extension to SNMPv2 to allow for communities) – RFC 1901, RFC 1905, and RFC 1906 - SNMPv3 (provides mechnism to encrypt and authenticate) – RFCs 3413 to 3415 SNMP Framework is made up of- SNMP manager - SNMP agent - Management Information Base …

Use alias exec for Privileged Mode (any command you use at the router# prompt). Use alias configure for Global Configuration Mode (any command you use at the router(config)# prompt). Use alias interface for Interface Configuration Mode (any command you use at the router(config-if)# prompt).

Can be applied to either a router or switch CLI; router(config-if)# auto qos voip # enable and configure it on the interface router(config-if) or (config-fr-dlci)# auto qos voip [trust] [fr-atm] # configures the AutoQoS feature (untrusted by default) on routers console> (enable) set qos autoqos …

The modular QoS CLI (MQC). MQC step 1 allows us to create various classifications (class map) MQC step 2 allows us to create a policy (Policy Map) MQC step 3 apply a policy to an interface (inbound or outbound) (Service Policy) Class Maps; categories of traffic contains 3 major elements; case …

AutoQoS Enterprise not just focused on VoIP but also video and data traffic (up to 10 classes of traffic – Cisco Best practice). Typically for medium sized companies CLI; router(config-if) or (config-fr-dlci)# auto discovery qos [trust] #configures the discovery phase by gathering stats via NBAR …

Uses RSVP to revers bandwidth Service garantee is end-to-end Can perform CAC RSVP uses various mssage types to setup; PATH Message (from the initiator) RESV Messgage (back towards the sender) TEARDOWN Messgae (from either sender or reciever) There are 3 types of QoS services offered by RSVP, …