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QUAGGA - The Easy Tutorial - Case Study 1 - Static Routing

Quagga Case 1 - St. Routing
Last Change : Jan 19 2011 french flagenglish flag

Tool
Install
Ergonomy
Forum


Details What is Quagga?
Prerequisites & Installation
How to use Quagga
Routers functionnalities comparison
Case Study 1 - Static routes
Case Study 2 - OSPF simple
Case Study 3 - OSPF advanced
Case Study 4 - BGP


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1. CASE PRINCIPLE 2. PICTURE 3. CONFIGURATIONS 4. SHOW COMMANDS
See a similar scenario with the Vyatta router.

1. CASE PRINCIPLE

In this first case study, we will see a very simple example where the routing is done with only static routes.

2. PICTURE

quagga cisco 2651 3750 static routing Functionalities tested:

Interface settings
Static routes
Telnet access

 
 
   
 
 
 
 
 
 
 
 

3. CONFIGURATIONS

You must set your Linux system correctly to launch Quagga successfully.
See the Quagga tutorial for assisstance.
LINUX CONFIGURATIONS

Check that the zebra daemon is activated:

#vim /etc/quagga/daemons
zebra=yes
bgpd=no
ospfd=no
ospf6d=no
ripd=no
ripngd=no
isisd=no

If you changed your daemons file, restart the quagga service:

#vim /etc/init.d/quagga restart
Stopping Quagga daemons (prio:0): ospfd zebra (bgpd) (ripd) (ripngd) (ospf6= d) (isisd).
Removing all routes made by zebra.
Nothing to flush.
Loading capability module if not yet done.
Starting Quagga daemons (prio:10): zebra.

Set the Quagga A hostname in the /etc/quagga/vtysh.conf file:

#vim /etc/quagga/vtysh.conf
!
! Sample
!
! service integrated-vtysh-config
hostname Quagga_A
username root nopassword
!

Set the Quagga B hostname in the /etc/quagga/vtysh.conf file:

#vim /etc/quagga/vtysh.conf
!
! Sample
!
! service integrated-vtysh-config
hostname Quagga_B
username root nopassword
!

Don't forget to activate the ip forwarding on the Quagga A router!
It is not necessary to activate ip forwarding on the Quagga B router because it has only one network interface.

ROUTERS CONFIGURATIONS

CISCO ROUTER 2651 IOS: 12.2-23a QUAGGA ROUTER A 0.99.6
interface FastEthernet0/1
  ip address 10.1.3.2 255.255.255.0
  no shutdown 		interface eth0
  ip address 10.1.3.1/24
  link-detect
interface FastEthernet0/0
  ip address 10.1.4.2 255.255.255.0
  no shutdown 		interface eth1
  ip address 10.1.1.1/24
  link-detect
hostname Cisco-2651
ip route 10.1.0.0 255.255.0.0 10.1.3.1
ip route 10.200.1.4 255.255.255.255 10.1.4.1
ip route 10.200.1.1 255.255.255.255 10.1.3.1
 ip route 10.1.0.0/16 10.1.3.2
ip route 10.200.1.4/32 10.1.3.2
ip route 10.200.1.1/32 10.1.1.2
line vty 0 4
  no login
 line vty
  no login
enable secret password enable password password

CISCO SWITCH L3 3750 IOS: 12.2-25.SEE2
QUAGGA ROUTER B 0.99.6
interface vlan 1
  ip address 10.1.1.2 255.255.255.0
  no shutdown 		interface eth0
  ip address 10.1.4.1/24
  link-detect
interface Loopback 1
  ip address 10.200.1.1 255.255.255.255
  		interface lo
  ip address 10.200.1.4/32
  link-detect
hostname 3750_L3 hostname quagga-router-b
ip route 0.0.0.0 0.0.0.0 10.1.1.1 ip route 0.0.0.0/0 10.1.4.2
line vty 0 4
  no login
 line vty 0 4
  no login
enable secret password
  		enable password password
 
ip routing
ip multicast-routing distributed
SEE THE ENTIRE CONFIGURATION OF THE DEVICES:

Quagga A
Quagga B
Cisco 2651
Cisco 3750 L3



4. SHOW COMMANDS

ROUTING TABLE

Quagga_A#show ip route

Codes:   K - kernel route, C - connected, S - static, R - RIP, O - OSPF,
    I - ISIS, B - BGP, > - selected route, * - FIB route
   
C>* 127.0.0.0/8 is directly connected, lo
C>* 10.1.3.0/24 is directly connected, eth0
C>* 10.1.1.0/24 is directly connected, eth1
S>* 10.1.0.0/16 [1/0] via 10.1.3.2, eth0
S>* 10.200.1.4/32 [1/0] via 10.1.3.2, eth0
S>* 10.200.1.1/32 [1/0] via 10.1.1.2, eth1
Quagga_A (Linux level)#route -n

Kernel IP routing table
Destination Gateway Genmask Indic Metric Ref Use Iface
10.200.1.1 10.1.1.2 255.255.255.255 UGH 0 0 0 eth1
10.200.1.4 10.1.3.2 255.255.255.255 UGH 0 0 0 eth0
10.1.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
10.1.3.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
10.1.0.0 10.1.3.2 255.255.0.0 UG 0 0 0 eth0
Cisco-2651#show 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 not set
       
  10.0.0.0/8 is variably subnetted, 5 subnets, 3 masks
C     10.1.3.0/24 is directly connected, FastEthernet0/1
S     10.1.0.0/16 [1/0] via 10.1.3.1
C     10.1.4.0/24 is directly connected, FastEthernet0/0
S     10.200.1.1/32 [1/0] via 10.1.3.1
S     10.200.1.4/32 [1/0] via 10.1.4.1
Quagga_B#show ip route

Codes:   K - kernel route, C - connected, S - static, R - RIP, O - OSPF,
    I - ISIS, B - BGP, > - selected route, * - FIB route
   
C>* 10.200.1.4/32 is directly connected, lo
C>* 127.0.0.0/8 is directly connected, lo
C>* 10.1.4.0/24 is directly connected, eth0
S>* 0.0.0.0/0 [1/0] via 10.1.4.2, eth0
Quagga_B (Linux level)#route -n

Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
10.1.4.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
0.0.0.0 10.1.4.2 0.0.0.0 UG 0 0 0 eth0
3750_L3#show 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 10.1.1.1 to network 0.0.0.0
       
  10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C     10.1.1.0/24 is directly connected, Vlan1
C     10.200.1.1/32 is directly connected, Loopback1
S* 0.0.0.0/0 [1/0] via 10.1.1.1

INTERFACES

Quagga_A#show interface eth0

Interface eth0 is up, line protocol detection is disabled
  index 3 metric 1 mtu 1500
  flags: <UP,BROADCAST,RUNNING,MULTICAST>
  HWaddr: 00:02:11:22:33:44
  inet 10.1.3.1/24 broadcast 10.1.3.255
  inet6 fe80::201:66ff:1122:3344/64
    46 input packets (0 multicast), 5838 bytes, 0 dropped
    0 input errors, 0 length, 0 overrun, 0 CRC, 0 frame
    0 fifo, 0 missed
    251 output packets, 45451 bytes, 0 dropped
    0 output errors, 0 aborted, 0 carrier, 0 fifo, 0 heartbeat
    0 window, 0 collisions
Cisco-2651#show interface FastEthernet 0/0

FastEthernet0/0 is up, line protocol is up
  Hardware is AmdFE, address is 0011.2211.3345 (bia 0011.2211.3345)
  Internet address is 10.1.4.2/24
  MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
    reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
  Full-duplex, 100Mb/s, 100BaseTX/FX
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:01:20, output 00:00:09, output hang never
  Last clearing of "show interface" counters never
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: fifo
  Output queue: 0/40 (size/max)
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
    477 packets input, 46396 bytes
    Received 303 broadcasts, 0 runts, 0 giants, 0 throttles
    0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
    0 watchdog
    0 input packets with dribble condition detected
    603 packets output, 58014 bytes, 0 underruns
    0 output errors, 0 collisions, 1 interface resets
    0 babbles, 0 late collision, 0 deferred
    0 lost carrier, 0 no carrier
    0 output buffer failures, 0 output buffers swapped out

SOFTWARE VERSIONS

Quagga_A#show version

Quagga 0.99.6 ().
Copyright 1996-2005 Kunihiro Ishiguro, et al.
Cisco-2651#show version

Cisco Internetwork Operating System Software
IOS (tm) C2600 Software (C2600-IS-M), Version 12.2(23a), RELEASE
SOFTWARE (fc2)
Copyright (c) 1986-2004 by cisco Systems, Inc.
Compiled Tue 30-Mar-04 15:04 by kellmill
Image text-base: 0x8000808C, data-base: 0x81118FD4
 
ROM: System Bootstrap, Version 12.2(6r), RELEASE SOFTWARE (fc1)
 
Cisco-2651 uptime is 1 hour, 21 minutes
System returned to ROM by reload
System image file is "flash:c2600-is-mz.122-23a.bin"
 
cisco 2651 (MPC860) processor (revision 0x00) with 60416K/5120K bytes of
memory.
Processor board ID JAD063356E5 (335158987)
M860 processor: part number 0, mask 49
Bridging software.
X.25 software, Version 3.0.0.
2 FastEthernet/IEEE 802.3 interface(s)
1 Serial network interface(s)
32K bytes of non-volatile configuration memory.
16384K bytes of processor board System flash (Read/Write)
 
Configuration register is 0x2102

QUAGGA DAEMONS PROCESSES

Quagga_A (Linux level)#ps -ef | grep quagga

UID PID PPID C STIME TTY TIME CMD
quagga 10525 1 0 11:36 ? 00:00:00 /usr/lib/quagga/zebra --daemon

LINUX IP FORWARDING

Quagga_A#show ip forwarding

IP forwarding is on
See explanations about Linux IP forwarding.

Quagga_B#show ip forwarding

IP forwarding is off
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