Part of researching for CCNA Examination good results is holding each one of these new commands straight within your head! And Enable’s facial area it, There are tons of commands you have to know as a way to go the CCNA Examination and earn that certification. Listed here’s an assessment of some important distance vector and static routing instructions you have to know, along with their suitable use and console output.
Bandwidth
IGRP makes a default assumption that any Serial interface operating IGRP is connected to a T1 line, which operates at 1544 KBPS. With equal-Price tag load-balancing enabled by default, this may be an undesirable assumption.
To change IGRPs assumption, use the bandwidth command within the serial interface in problem. Observe that this command isn't going to really impact the bandwidth accessible to the interface; https://www.washingtonpost.com/newssearch/?query=토토사이트 it simply modifications IGRPs assumption in the bandwidth.
R2#conf t
R2(config)#int s0
R2(config-if)#bandwidth 512
Distinct ip route *
This command clears your routing table of all non-static and non-linked routes. In the lab surroundings, its extremely useful mainly because it forces your routers running routing protocols to deliver and request updates, rather then waiting for the regularly scheduled updates.
R2#distinct ip route *
Debug ip igrp situations
Debug ip igrp situations means that you can see IGRP updates staying despatched and asked for. Below, the debug is operate and after that the routing table is cleared. The router straight away broadcasts update requests by means of the IGRP-enabled interfaces.
R2#debug ip igrp occasion
IGRP party debugging is on
06:02:fifty one: IGRP: broadcasting request on BRI0
06:02:fifty one: IGRP: broadcasting request on Serial0.123
Debug ip igrp transactions
To configure IGRP unequal-Expense load-sharing Along with the variance command, youve got to know the metric from the a lot less-fascinating routes. EIGRP keeps these in its topology table; IGRP has no these desk.
To find the metrics of routes not during the routing desk, operate debug ip igrp transactions. To power IGRP updates, the routing table beneath was cleared with apparent ip route *.
R2#debug ip igrp transactions
IGRP protocol debugging is on
06:05:33: IGRP: acquired update from 172.12.123.one on Serial0.123
06:05:33: subnet 172.twelve.123.0, metric 10476 (neighbor 8476)
06:05:33: network 1.0.0.0, metric 8976 (neighbor 501)
06:05:33: IGRP: edition is currently three
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 through Serial0.123 (172.12.123.2) – suppressing null update
06:05:34: IGRP: gained update from 172.twelve.12.1 on BRI0
06:05:34: subnet 172.twelve.thirteen.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
6:14:53: RIP: gained v2 update from 172.23.23.3 on Ethernet0
six:14:53: 1.0.0.0/8 by using 0.0.0.0 in 16 hops (inaccessible)
six:fourteen:fifty three: 1.one.1.1/32 via 0.0.0.0 in two hops
6:fourteen:fifty three: 172.twelve.0.0/16 by means of 0.0.0.0 in sixteen hops (inaccessible)
six:14:53: 172.twelve.twelve.two/32 by means of 0.0.0.0 in 2 hops
6:fourteen:fifty three: 172.12.13.0/thirty by way of 0.0.0.0 in 1 hops
six:14:53: 172.twelve.123.0/24 by means of 0.0.0.0 in one hops
6:fourteen:fifty three: 172.23.0.0/sixteen via 0.0.0.0 in 16 hops (inaccessible)
Operate debug ip rip to troubleshoot routing update issues, RIP authentication complications, also to perspective the routing update contents. Crystal clear ip route * was run to distinct the routing desk and to pressure a RIP update.
Ip route
R2(config)#ip route 1.1.one.one 255.255.255.255 172.twelve.123.1
OR
R2(config)#ip route one.1.one.one 255.255.255.255 serial0
To configure a static route to a offered spot IP 메이저사이트 tackle, utilize the ip route command. The place is accompanied by a subnet mask, and which might be accompanied by either another-hop IP tackle or perhaps the exit interface around the local 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.one
R2(config)#ip route 0.0.0.0 0.0.0.0 ethernet0
To configure a default static route, use both of these two instructions.
You could have any range for the 1st 0.0.0.0″, considering that the second list of zeroes is definitely the subnet mask. This means that any vacation spot will match this route assertion.
That’s a good critique to start with! I’ll be back tomorrow with Portion II of the CCNA Examination command evaluation!