12.07.2015 Views

BROCADE IP PRIMER

BROCADE IP PRIMER

BROCADE IP PRIMER

SHOW MORE
SHOW LESS
  • No tags were found...

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Chapter 7: Link Aggregation (Trunks)Exp. Expired; this indicates whether or not the negotiated link aggregation settingshave expired; these settings expire when the interface does not receivean LACPDU before the timer runs out; this can be either “Exp” (meaning thatthe settings have expired, and the interface has changed to default), or “No”(meaning that the settings have not expired)Ope. Operational; this can be either “Ope” (everything is normal), “Ina” (Inactive;the link is down or has stopped sending LACPDUs), or “Blo” (Blocked; theremote port is either not configured with LACP or cannot join a trunk group; besure that both interfaces are configured with the same key, if a custom key isusedSummary• A trunk can bind two or more links together to provide redundancy andgreater bandwidth• A static trunk is configured once; if changes are necessary, the trunkmust be removed and recreated• A dynamic trunk allows the trunk to be resized (ports added or takenaway) without removing and recreating• Dynamic (LACP) trunks use LACPDUs (Layer 2 frames) to negotiate thetrunk• Layer 2 traffic is load balanced using the Destination MAC address• Layer 3 traffic is load balanced using the Source <strong>IP</strong> address, Destination<strong>IP</strong> address, Source MAC address, Destination MAC address and protocol(<strong>IP</strong>, TCP, UDP, etc.)• A switch trunk is a aggregated link between two switches• A server trunk is a aggregated link from a switch to a server or hostChapter Review Questions1. On a stackable switch, what's the largest trunk you can create?a. Two-portb. Four-portc. Eight-portd. Six-port2. I'm using a stackable switch, and I'd like to create a four-port trunk. Whichport can I start with (without generating an error)?a. 3b. 6c. 9d. 2166 Brocade <strong>IP</strong> Primer

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!