May 2011
Intermediate to advanced
788 pages
23h 34m
English
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The IP Routing Table
To show the IP routing table, use the show ip route
command:
R2#sho ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is 11.0.0.1 to network 0.0.0.0
172.16.0.0/16 is variably subnetted, 6 subnets, 2 masks
D 172.16.200.0/23 is a summary, 00:56:18, Null0
C 172.16.200.0/24 is directly connected, Loopback2
C 172.16.201.0/24 is directly connected, Serial0/0
C 172.16.202.0/24 is directly connected, Loopback3
C 172.16.100.0/23 is directly connected, Loopback4
D 172.16.101.0/24 [90/2172416] via 11.0.0.1, 00:53:07, FastEthernet0/1
C 10.0.0.0/8 is directly connected, FastEthernet0/0
C 11.0.0.0/8 is directly connected, FastEthernet0/1
192.168.1.0/32 is subnetted, 1 subnets
D 192.168.1.11 [90/156160] via 11.0.0.1, 00:00:03, FastEthernet0/1
S* 0.0.0.0/0 [1/0] via 11.0.0.1
D 10.0.0.0/7 is a summary, 00:54:40, Null0The first block of information is shown every time the command is executed. In the interest of brevity, I will remove it from most of the examples in this book. This block is a key that explains the codes listed down the left side of the routing ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.