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
_______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com
