Please find config and diagram again. On Tue, Sep 1, 2009 at 9:04 PM, Bryan Bartik <[email protected]> wrote:
> Taqdir, > > Send us the configs of all devices Taqdir. > > > On Tue, Sep 1, 2009 at 9:28 AM, Taqdir Singh <[email protected]>wrote: > >> *R2#ping 172.16.10.1* >> >> Type escape sequence to abort. >> Sending 5, 100-byte ICMP Echos to 172.16.10.1, timeout is 2 seconds: >> !!!!! >> Success rate is 100 percent (5/5), round-trip min/avg/max = 8/56/132 ms >> *R2#sh ip route* >> Default gateway is not set >> >> Host Gateway Last Use Total Uses Interface >> ICMP redirect cache is empty >> *R2#sh ip int brief* >> Interface IP-Address OK? Method >> Status Protocol >> Serial0/0 unassigned YES unset administratively >> down down >> Serial0/1 unassigned YES unset administratively >> down down >> Serial0/2 unassigned YES manual administratively >> down down >> Serial0/3 172.32.1.2 YES manual >> up up >> R2# >> >> >> >> On Tue, Sep 1, 2009 at 7:59 PM, Bryan Bartik <[email protected]>wrote: >> >>> Taqdir >>> >>> Give us a "sho ip int brief" on R2... >>> >>> On Tue, Sep 1, 2009 at 7:00 AM, Taqdir Singh >>> <[email protected]>wrote: >>> >>>> Please note , I am sitting on* router R2* and I am pinging from there >>>> to loopback 172.16.10.1 which on router R0. >>>> >>>> *On router R2 - I have disabled ip routing*. then how come I am able to >>>> ping loopback on router R0* even if there is no route in R2*? >>>> >>>> On Tue, Sep 1, 2009 at 6:15 PM, cyrus riobah <[email protected]>wrote: >>>> >>>>> Its never possible to be able to ping over a serial link (in fact a >>>>> network on different subnets) without the routing involved. >>>>> >>>>> With the output of sh ip route on your R0, the statement ""S* >>>>> 0.0.0.0/0 is directly connected, Serial0/0"" indicates that this is s >>>>> static route readily configured to R0 hence makes it to ping anything >>>>> connected to R0. >>>>> >>>>> Possibly, check all your router for a static route, S* indicates its >>>>> existence. >>>>> >>>>> Regards >>>>> >>>>> Cyrus >>>>> >>>>> CCNP,CCDA,ARFE,WAAS,AWLANFE,XF >>>>> >>>>> On 9/1/09, Taqdir Singh <[email protected]> wrote: >>>>> > Please see my attached diagram. >>>>> > Just curious to know , how ping is successfull sitting on router R2 >>>>> to >>>>> > destination 172.16.10.1 though on R2 I have disabled ip routing and >>>>> even >>>>> > there is no default-gateway configured. >>>>> > >>>>> > Other curious thing I want to know - If i configure any loopback >>>>> interface >>>>> > on router R2.. and then try to ping 172.16.10.1 it is unsuccessfull. >>>>> > >>>>> > Could any1 please help whats going on here on router R2 ? >>>>> > >>>>> > R0#sh ip ro >>>>> > Codes: C - connected, S - static, 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 >>>>> > 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 0.0.0.0 to network 0.0.0.0 >>>>> > >>>>> > 172.16.0.0/24 is subnetted, 1 subnets >>>>> > C 172.16.10.0 is directly connected, Loopback0 >>>>> > 10.0.0.0/24 is subnetted, 1 subnets >>>>> > C 10.1.1.0 is directly connected, Serial0/0 >>>>> > S* 0.0.0.0/0 is directly connected, Serial0/0 >>>>> > R0#echo reply rcvd, src 172.16.10.1, dst 172.32. >>>>> > R0# >>>>> > ================ >>>>> > >>>>> > R1#sh ip ro >>>>> > Codes: C - connected, S - static, 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 >>>>> > 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 >>>>> > >>>>> > 172.16.0.0/24 is subnetted, 1 subnets >>>>> > S 172.16.10.0 is directly connected, Serial0/1 >>>>> > 172.32.0.0/24 is subnetted, 1 subnets >>>>> > C 172.32.1.0 is directly connected, Serial0/2 >>>>> > 10.0.0.0/24 is subnetted, 1 subnets >>>>> > C 10.1.1.0 is directly connected, Serial0/1 >>>>> > R1# >>>>> > ===================== >>>>> > >>>>> > R2#sh ip ro >>>>> > Default gateway is not set >>>>> > >>>>> > Host Gateway Last Use Total Uses >>>>> Interface >>>>> > ICMP redirect cache is empty >>>>> > R2#ping 172.16.10.1 >>>>> > >>>>> > Type escape sequence to abort. >>>>> > Sending 5, 100-byte ICMP Echos to 172.16.10.1, timeout is 2 seconds: >>>>> > !!!!! >>>>> > Success rate is 100 percent (5/5), round-trip min/avg/max = 12/48/136 >>>>> ms >>>>> > R2# >>>>> > >>>>> > >>>>> > -- >>>>> > Taqdir Singh >>>>> > CCNP- (R), CCNA >>>>> > 09911709496 >>>>> > >>>>> > Do today what others won't so you can live tomorrow as others can't >>>>> > >>>>> >>>> >>>> >>>> >>>> -- >>>> Taqdir Singh >>>> CCNP- (R), CCNA >>>> 09911709496 >>>> >>>> Do today what others won't so you can live tomorrow as others can't >>>> >>>> _______________________________________________ >>>> For more information regarding industry leading CCIE Lab training, >>>> please visit www.ipexpert.com >>>> >>>> >>> >>> >>> -- >>> Bryan Bartik >>> CCIE #23707 (R&S), CCNP >>> Sr. Support Engineer - IPexpert, Inc. >>> URL: http://www.IPexpert.com <http://www.ipexpert.com/> >>> >> >> >> >> -- >> Taqdir Singh >> CCNP- (R), CCNA >> 09911709496 >> >> Do today what others won't so you can live tomorrow as others can't >> > > > > -- > Bryan Bartik > CCIE #23707 (R&S), CCNP > Sr. Support Engineer - IPexpert, Inc. > URL: http://www.IPexpert.com <http://www.ipexpert.com/> > -- Taqdir Singh CCNP- (R), CCNA 09911709496 Do today what others won't so you can live tomorrow as others can't
R0#sh run Building configuration... Current configuration : 790 bytes ! version 12.4 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R0 ! boot-start-marker boot-end-marker ! ! no aaa new-model memory-size iomem 5 ! ! ip cef ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface Loopback0 ip address 172.16.10.1 255.255.255.0 ! interface Serial0/0 ip address 10.1.1.1 255.255.255.0 serial restart-delay 0 ! interface Serial0/1 no ip address shutdown serial restart-delay 0 ! interface Serial0/2 no ip address shutdown serial restart-delay 0 ! interface Serial0/3 no ip address shutdown serial restart-delay 0 ! ip http server no ip http secure-server ip route 0.0.0.0 0.0.0.0 Serial0/0 ! ! ! ! ! ! control-plane ! ! ! ! ! ! ! ! ! ! line con 0 line aux 0 line vty 0 4 ! ! end R0#
R1#sh run Building configuration... Current configuration : 752 bytes ! version 12.4 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R1 ! boot-start-marker boot-end-marker ! ! no aaa new-model memory-size iomem 5 ! ! ip cef ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface Serial0/0 no ip address shutdown serial restart-delay 0 ! interface Serial0/1 ip address 10.1.1.2 255.255.255.0 serial restart-delay 0 ! interface Serial0/2 ip address 172.32.1.1 255.255.255.0 serial restart-delay 0 ! interface Serial0/3 no ip address shutdown serial restart-delay 0 ! ip http server no ip http secure-server ip route 172.16.10.0 255.255.255.0 Serial0/1 ! ! ! ! ! ! control-plane ! ! ! ! ! ! ! ! ! ! line con 0 line aux 0 line vty 0 4 ! ! end R1#
R2#sh run Building configuration... Current configuration : 803 bytes ! version 12.4 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R2 ! boot-start-marker boot-end-marker ! ! no aaa new-model memory-size iomem 5 no ip routing ! ! no ip cef ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface Serial0/0 no ip address no ip route-cache shutdown serial restart-delay 0 ! interface Serial0/1 no ip address no ip route-cache shutdown serial restart-delay 0 ! interface Serial0/2 ip address 172.18.10.1 255.255.255.0 no ip route-cache serial restart-delay 0 ! interface Serial0/3 ip address 172.32.1.2 255.255.255.0 no ip route-cache serial restart-delay 0 ! ip http server no ip http secure-server ! ! ! ! ! ! control-plane ! ! ! ! ! ! ! ! ! ! line con 0 line aux 0 line vty 0 4 ! ! end R2#
<<attachment: routing problem.jpg>>
_______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com
