Element of researching for CCNA Examination achievements is keeping these new commands straight with your head! And Permit’s encounter it, there are a lot of instructions you need to know to be able to pass the CCNA exam and earn that certification. In this article’s a review of some essential length vector and static routing instructions you need to know, in addition to their appropriate use and console output.
Bandwidth
IGRP tends to make a default assumption that any Serial interface managing IGRP is linked to a T1 line, which operates at 1544 KBPS. With equivalent-Price load-balancing enabled by default, This can be an undesirable assumption.
To change IGRPs assumption, make use of the bandwidth command within the serial interface in dilemma. Observe this command doesn't in fact have an impact on the bandwidth available to the interface; it merely variations IGRPs assumption in http://www.thefreedictionary.com/토토사이트 the bandwidth.
R2#conf t
R2(config)#int s0
R2(config-if)#bandwidth 512
Distinct ip route *
This command clears your routing desk of all non-static and non-connected routes. In a lab environment, its very helpful because it forces your routers operating routing protocols to mail and request updates, as an alternative to awaiting the on a regular basis scheduled updates.
R2#obvious ip route *
Debug ip igrp events
Debug ip igrp situations enables you to see IGRP updates remaining despatched and asked for. Listed here, the debug is operate and afterwards the routing table is cleared. The router immediately broadcasts update requests by means of the IGRP-enabled interfaces.
R2#debug ip igrp party
IGRP party debugging is on
06:02:fifty one: IGRP: broadcasting ask for on BRI0
06:02:51: IGRP: broadcasting request on Serial0.123
Debug ip igrp transactions
To configure IGRP unequal-Expense load-sharing with the variance command, youve got to understand the metric on the a lot less-appealing routes. EIGRP retains these in its topology table; IGRP has no these kinds of desk.
To get the metrics of routes not within the routing desk, operate debug ip igrp transactions. To pressure IGRP updates, the routing table down below was cleared with apparent ip route *.
R2#debug ip igrp transactions
IGRP protocol debugging is on
06:05:33: IGRP: obtained update from 172.12.123.one on Serial0.123
06:05:33: subnet 172.twelve.123.0, metric 10476 (neighbor 8476)
06:05:33: community 1.0.0.0, metric 8976 (neighbor 501)
06:05:33: IGRP: version is now 3
06:05:33: IGRP: sending update to 255.255.255.255 by using BRI0 (172.12.12.2)
06:05:33: community 1.0.0.0, metric=8976
06:05:33: IGRP: sending update to 255.255.255.255 by means of Serial0.123 (172.twelve.123.two) – suppressing null update
06:05:34: IGRP: been given update from 172.12.12.one on BRI0
06:05:34: subnet 172.12.13.0, metric 160250 (neighbor 8476)
06:05:34: community one.0.0.0, metric 158750 (neighbor 501)
Debug ip rip
R2#debug ip rip
IP protocol debugging is on
six:14:53: RIP: gained v2 update from 172.23.23.3 on Ethernet0
six:14:fifty three: one.0.0.0/8 by means of 0.0.0.0 in 16 hops (inaccessible)
6:fourteen:fifty three: one.one.one.1/32 by way of 0.0.0.0 in two hops
6:14:fifty three: 172.12.0.0/16 through 0.0.0.0 in sixteen hops (inaccessible)
6:fourteen:fifty three: 172.12.twelve.2/32 by using 0.0.0.0 in two hops
six:fourteen:fifty three: 172.twelve.13.0/30 via 0.0.0.0 in one hops
6:14:53: 172.12.123.0/24 through 0.0.0.0 in one hops
six:14:53: 172.23.0.0/sixteen via 0.0.0.0 in 16 hops (inaccessible)
Operate debug ip rip to troubleshoot routing update troubles, RIP authentication difficulties, and to view the routing update contents. Very clear ip route * was run to distinct the routing table and also to power a RIP update.
Ip route
R2(config)#ip route 1.one.one.1 255.255.255.255 172.12.123.1
OR
R2(config)#ip route 1.1.1.1 255.255.255.255 serial0
To configure a static route to a supplied place IP tackle, make use of the ip route command. The destination is accompanied by a subnet mask, and that could be accompanied by possibly the following-hop IP handle or even the exit 토토사이트 interface on the area router.
Ip route 0.0.0.0 0.0.0.0
R2(config)#ip route 0.0.0.0 0.0.0.0 172.12.123.1
R2(config)#ip route 0.0.0.0 0.0.0.0 ethernet0
To configure a default static route, use both of both of these commands.
You might have any amount for the 1st 0.0.0.0″, since the next set of zeroes could be the subnet mask. Which means any desired destination will match this route statement.
That’s a good assessment to get rolling with! I’ll be back again tomorrow with Portion II of the CCNA Examination command critique!