Security Know how to use extended access-lists in distribute-lists, see Brian McGahan @INE article. Know how to use extended access-lists instead of prefix-lists, see Brian Dennis @ INE article. Know your binary…
Category: Quick Notes
Quick Notes
R&S Quick Notes – QOS
QOS Class class-default need “fair-queue” if “bandwidth” was not specified. When using “ip rsvp bandwidth” on a sub-interfaces, it is also required to be configured on the main interface. When using multiple…
R&S Quick Notes – Multicast & IPv6
Multicast BSR is also commonly referred to as PIMv2. Pay special attention to when using Frame-Relay non-broadcast types. Multicast will not work. Tunnels might be needed. BSR – when multiple c-RP announces…
R&S Quick Notes – BGP
BGP When using Communities, don’t forget “neighbor send-community” Know your attributes and the direction which applied, when to used what. “aggregate address” needs a more specific prefix in the BGP table for…
R&S Quick Notes – IGP’s
RIP Know your filters: Offset-list, Distribute-lists, distance command. With filters read carefully: “between 25 & 45″ or “from 25 to 45″. Know your prefix-lists or alternatively using ACL’s instead. “passive interface” command,…
R&S Quick Notes – Frame-Relay/PPP
Frame-Relay DHCP on a frame interface : “frame-relay interface-dlci 555 protocol ip 166.166.166.2″ When asked to disable INARP, be sure to do so on physical interfaces any multipoint sub-interfaces. If you see…
R&S Quick Notes – Switching
With the insane amount of theory to go through before the big day comes, it is only normal for a couple of items to get lost in the masses. On top of…
CCNA Quick Notes – Routing
1.How do OSPF-enabled routers build adjacencies and exchange their routing tables? OSPF-enabled routers build adjacencies by sending Hello packets out through all OSPF-enabled interfaces. If these routers share a command link and…
CCNA Quick Notes – Internetworking
1.What are the three layers of the Cisco Hierarchical Model? The three layers of the Cisco Hierarchical Model are:1 The access layer The distribution layer The core layer 2.In the Cisco Hierarchical…