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Which data link layer encapsulation protocol is used by default for serial connections between two Cisco routers?
HDLC
Which command sets the encapsulation on a Serial interface back to the Cisco default?
encapsulation hdlc
What is the default encapsulation type on a synchronous serial interface?
HDLC
Briefly explain why the serial interfaces of the router do not have MAC addresses?
Serial interfaces do not pass any MAC information because the information is formed using WAN encapsulation (PPP. HDLC, Frame Relay).
What are serial interfaces on a router typically used to connect?
a serial interface on a router is basically used for WAN communications. we generally connect to other routers through internet using serial interface. In a lab scenario we generally emulate WAN connections by connecting the serial interfaces of the routers using a cable called DCE/DTE cable.
What must be configured to establish a serial link between two routers that are directly connected?
To establish a serial link between two directly connected routers, you must configure the appropriate interface settings on both routers, including the serial interface type and IP addressing. This involves enabling the serial interfaces and assigning them IP addresses within the same subnet. Additionally, you may need to set the encapsulation type (e.g., HDLC or PPP) and ensure that clock rates are configured if one router is designated as the DCE device. Finally, verify the link with commands like ping or show ip interface brief to ensure connectivity.
What is difference between serial interface and Ethernet interface?
The FastEthernet interface of R1 is disabled. One of the default routes is configured incorrectly. A routing protocol is not configured on both routers. The default gateway has not been configured on both routers.
What cable would you use to connect two Cisco 2600 series routers?
To connect two Cisco 2600 series routers directly, you would typically use a crossover Ethernet cable if they are connected through their Ethernet interfaces. If connecting through serial interfaces, a serial cable (such as a DTE to DCE cable) would be appropriate. Ensure that the correct interface types are used for the connection type you are employing.
Which is faster 1.544 mbps or 1g?
Most serial interfaces use a default bandwidth value of 1.544mbps in EIGRP. Selvan S Chennai
What is a Cisco 2600?
The Cisco 2600 series routers are used to tie networks together, usually at the Access level.Each 2600 router has 1 or 2 Ethernet or Token Ring LAN interfaces, a Console and Aux port, and 2 WIC (WAN Interface Card) slots and an NM (Network Module) slot.WIC cards can be used to give the router 1 or 2 Serial WAN connections each, or things like ADSL interfaces, T1 cards, etc.NM modules can be used to give the router things like 2 extra WIC slots, 1 or 4 Ethernet ports, 4 slow serial WAN ports, 16 or 32 serial ports for controlling other routers, and many more.2600 series routers are also obsolete and no longer sold.
What steps does PPP go through when the other end of serial link is configured with PPP encapsulation?
- When both ends of a serial WAN link are configured to run the PPP encapsulation method they establish a session based on the 3 steps below:Step 1- Link establishment and configuration negotiation- In this phase LCP opens the connection between the two interfaces and negotiates configuration options. this phase is done once the receiving router sends a configuration-acknowledgment frame back to the router who first initiates the connection...Step 2- Link quality determination (optional)- In this phase LCP tests the link between the routers to determine if the quality is sufficient to bring up the network layer protocol.Step3- Network Layer Protocol configuration negotiation- After step 2 ends, the appropriate NCP can separately configure the network layer protocols, and bring the protocol up and down at any given time. If LCP closes the link between the routers it will inform the network layer protocol so that it can take action in regards to the interfaces.- TERMS -PPP = Point-to-Point ProtocolLCP = Link Control ProtocolNCP = Network Control Protocols- hope this helps :)- miirii
What are the two main types of IDE interfaces?
The main types are Serial and Parallel.
