Basic knowledge of Cisco3600 series routers

Source: Internet
Author: User
Tags sub command

The basic knowledge of Cisco3600 series routers is similar to that of various router configurations. The following describes the basic knowledge of Cisco3600 series routers, although there is no detailed introduction to the basic knowledge of Cisco3600 series routers, it will be rewarded after reading it.

Can the metric value be modified or adjusted?

Add a positive offset. The complete structure of this command is as follows: You can use the OFFSET-list router sub command to add a positive OFFSET for the network input and output metric values in the access table. Offset-list {in | out} offset [access-list] no offset-list {in | out} offset [access-list].

If the value of the parameter LIST is 0, the OFFSET parameter is added to all measurement values. If the value of OFFSET is 0, there is no effect. For IGRP, the offset value is only added to the latency. This sub-command also applies to the RIP and hello routing protocols.

Cisco3600 you can clear this OFFSET by using the no offset-LIST command with the appropriate parameter. In the following example, a router using IGRP adds an offset of 10 to the latency of all output metric values: the following example shows how to add the same offset to Access Table 121: offset-list out 10 121.

Which of the following information does a vro need to know when searching for a route?

All routers need the following information to find routes for packets:
◆ Destination Address: the target host for sending packets.
◆ Determine the neighboring station: specify who is directly connected to the router interface.
◆ Route discovery: Find the networks that the neighboring sites know.
◆ Route Selection: Provides the Optimal Path to the destination based on the information learned from the neighboring station.
◆ Keep route information: the router saves a route table, which stores all the route information it knows.

Is the routing protocols supported by Cisco routers compatible with those of other manufacturers?

All routing protocols supported by Cisco routers are compatible with the same protocols implemented by other manufacturers, except for IGRP and VPN. IGRP and VPN are Cisco's patented products.

What are the descriptions of the table items in the RIP route table?

Each table item in the RIP route table provides certain information, including the destination address, the next hop address to the destination, and the measurement value. This metric value indicates the number of hops to the target terminal ). Other information can also be included. Router question supplement:

Cisco3600 series routers currently Support WAN Interface Card WIC-2T and WIC-2A/S?

Cisco3600 series routers support both WIC-2T and WIC-2A/S wan interface cards in 12.007XK and later versions. However, you must note that only the Fast Ethernet hybrid network module can support these two wan interface cards. The network modules supporting these two interface cards are as follows: NM-1FE2W, NM-2FE2W, NM-1FE1R2W, NM-2W. But Ethernet hybrid network modules are not supported, as shown below: NM-1E2W, NM-2E2W, NM1E1R2W.

What is the maximum difference/synchronization rate supported by the NM4A/S, NM8A/S network module, and WIC2A/s wan Interface Card of the Cisco3600 series routers? These network modules and WAN interface cards support both asynchronous and synchronous interfaces. The maximum asynchronous rate is 115.2 Kbps, and the maximum synchronous rate is Kbps.

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