Hi All,
here is my question ..,
in our company we 've 1 cisco 1721 router. It has only 1 serial
interface. Now campany has asked me to integrate it for another line.
It had one slot unutilised now has installed with another serial port.
company want to utilise both the link's bandwith in normal operatin.
It is not essentially necessary to bundle the bandwidth but only to get
both the serial interface been utilise and make the config such that
it routes to both the serial interface simultaniously .. i'm not a
cisco expert .
but i had some practical experience with which i analyse it is
possible.And company has installed another line onmy advise.( older
Leaseline =128 Kbps compressed; new 128 Kbps uncompressed)
here is the sh ver:--
Router>sh ver
Cisco Internetwork Operating System Software
IOS (tm) C1700 Software (C1700-Y-M), Version 12.2(4)YA2, EARLY
DEPLOYMENT RELEASE SOFTWARE (fc1)
Synched to technology version 12.2(5.4)T
TAC Support: http://www.cisco.com/tac
Copyright (c) 1986-2002 by cisco Systems, Inc.
Compiled Thu 11-Apr-02 21:54 by ealyon
Image text-base: 0x80008124, data-base: 0x807976DC
ROM: System Bootstrap, Version 12.2(7r)XM1, RELEASE SOFTWARE (fc1)
ROM: C1700 Software (C1700-Y-M), Version 12.2(4)YA2, EARLY DEPLOYMENT
RELEASE SOFTWARE (fc1)
Router uptime is 10 hours, 42 minutes
System returned to ROM by power-on
System image file is "flash:c1700-y-mz.122-4.YA2.bin"
cisco 1721 (MPC860P) processor (revision 0x100) with 29492K/3276K bytes of memory.
Processor board ID FOC0640007Q (381874126), with hardware revision 0000
MPC860P processor: part number 5, mask 2
Bridging software.
X.25 software, Version 3.0.0.
1 FastEthernet/IEEE 802.3 interface(s)
2 Serial(sync/async) network interface(s)
32K bytes of non-volatile configuration memory.
16384K bytes of processor board System flash (Read/Write)
Configuration register is 0x2102
here is the sh run :--
Router>en
Password:
Router#sh run
Building configuration...
Current configuration : 1956 bytes
!
version 12.2
service timestamps debug uptime
service timestamps log uptime
service password-encryption
!
hostname Router
!
enable secret Y YYYYYYYYYY
!
ip subnet-zero
ip name-server 202.54.9.1
ip name-server 202.54.1.30
!
!
!
!
interface FastEthernet0
ip address 192.168.100.254 255.255.255.0
ip nat inside
speed auto
full-duplex
!
interface Serial0
ip address fff.ee.dd.29 kkk.kkk.kkk.252
ip accounting output-packets
ip nat outside
!
interface Serial1
ip unnumbered FastEthernet0
!
ip nat pool search aaa.bbb.ccc.33 aaa.bbb.ccc.60 netmask kkk.kkk.kkk.224
ip nat inside source list 1 pool search overload
ip classless
ip route 0.0.0.0 0.0.0.0 Serial0
ip route 0.0.0.0 0.0.0.0 fff.ee.dd.30
ip route 0.0.0.0 0.0.0.0 aaa.bbb.ccc.60 50
ip route aaa.bbb.ccc.128 255.255.255.128 Null0
no ip http server
!
!
access-list 1 permit 192.168.100.0 0.0.0.255
!
line con 0
exec-timeout 0 0
password X XXXXXXXXXX
login
line aux 0
line vty 0 4
password X XXXXXXXXXX
login
!
no scheduler allocate
end
-----------
I was thinking weather we can user route-map insted and try routing
as per source ip address, since i 'd be basically getting two sets of
ip pool etc and two serial port to route for. So my logic was this:
create 2 different subnet in our office network so as to each subnet
should route to different serial interface via router. created
additional secondary interface at router to adjust another subnet. i
tryed with this :--
Router#sh run
Building configuration...
Current configuration : 1521 bytes
!
version 12.2
service timestamps debug uptime
service timestamps log uptime
service password-encryption
!
hostname Router
!
enable secret Y YYYYY
!
ip subnet-zero
ip name-server 202.54.9.1
ip name-server 202.54.1.30
!
!
!
!
interface FastEthernet0
ip address 192.168.100.254 255.255.255.0
ip address mmm.nnn.o.210 kkk.kkk.kkk.240 secondary
ip nat inside
speed auto
full-duplex
!
interface Serial0
ip address fff.ee.dd.29 kkk.kkk.kkk.252
ip accounting output-packets
ip nat outside
!
interface Serial1
ip unnumbered FastEthernet0
!
ip nat pool search aaa.bbb.ccc.33 aaa.bbb.ccc.60 netmask kkk.kkk.kkk.224
ip nat inside source list 1 pool search overload
ip classless
ip route 0.0.0.0 0.0.0.0 Serial0
ip route 0.0.0.0 0.0.0.0 Serial1
no ip http server
!
!
access-list 1 permit 192.168.100.0 0.0.0.255
access-list 102 permit ip aaa.bbb.ccc.32 0.0.0.31 any
access-list 103 permit ip mmm.nnn.o.208 0.0.0.15 any
route-map abc permit 10
match ip address 103
set ip next-hop tt.u.vvv.32
!
route-map abc permit 20
match ip address 102
set ip next-hop qqq.rr.ss.30
!
!
line con 0
exec-timeout 0 0
password X XXXXX
login
line aux 0
line vty 0 4
password X XXXXX
login
!
-------------
1>mmm.nnn.o.210 kkk.kkk.kkk.240-->S1 global IP
2>fff.ee.dd.29 kkk.kkk.kkk.252-->S0 global IP
3>aaa.bbb.ccc.33 aaa.bbb.ccc.60 netmask kkk.kkk.kkk.224----> ISP-1 ip pool
4>ip mmm.nnn.o.208 0.0.0.15-->ISp-2 ip pool
wildcard(mmm.nnn.o.208-mmm.nnn.o.223/24)ippool
5>tt.u.vvv.32-->ISP-2 router's ip connected to my router
6>qqq.rr.ss.30-->ISP-1 router's ip connected to my router
Since our ISP-2 prerequisie is to use ip unnumbered i just had to do
this.I made a secondary ip configured. made a separate
subnet. Tryed route that traffic from saperately via root-map.
But this and its slightly variant configuration whatever i did i found
that either all the trafic is routing from S0 or no traffic is routing
at all.
Do i 've to create equal metric distance for each route-map name.??
I WANT TO GET A WORKABLE CONFIGURATION THAT COULD TESTED FOR REALTIME.
I DON'T MIND IF TO ACHIVE THIS
I 'VE TO LEAVE MY NATTING STUFF.I DONOT WANT TO UTILISE IT FOR
FAILOVER ONLY.I DONOT WANT TO GO BEYONG STATIC ROUTING TO ACHIVE
THIS.BECAUSE OUR ROUTER IS A VERY SIMPLE ONE AND WON'T ACCEPT THAT.
[ the config is tailor made to hide specific info. if something is
suspecious feel free to ask .any help to achive this is regrated. ]
following links could be helpful:
http://www.cisco.com/pcgi-bin/Support/PSP/psp_view.pl?p=Internetworking:NAT
http://www.cisco.com/warp/public/732/Tech/ipservices/docs/algs.pdf
http://www.cisco.com/warp/public/cc/pd/iosw/ioft/ionetn/prodlit/1195_pp.pdf
http://www.experts-exchange.com/Hardware/Routers/Q_20830191.html#9970743
Thank you ..
regards..
humanfly |
