From: David Prall (dcp@dcptech.com)
Date: Tue Dec 18 2007 - 14:26:44 ART
They are on seperate subnets. 2001:0:0:1::/64 and 2001:0:0:2::/64
You could either readdress one side, so they are on the same subnet and it
is then connected for both. Or you could use an IGP routing protocol, which
will use the Link Local addresses for advertisements.
David
-- http://dcp.dcptech.com> -----Original Message----- > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On > Behalf Of suri tk > Sent: Tuesday, December 18, 2007 12:03 PM > To: ccielab@groupstudy.com > Subject: Simple IPv6 question > > Hi All, > > > > I have a very simple IPv6 question. > > > > I have two routers connected back-to-back on a serial link. > > > > router1 (serial3/1) ------------------------------------( serial0/0/0) > router2 > > > > But i am not able to ping the global unicast address from one side to > on the other. > > > > I think its something elementary, but not able to figure out what ?. > > > > Please help me to understand this. > > > > Thanks, > > Surendra > > > > ============================================================== > =============== > ========= > > > > router1#sh run int ser 3/1 > > > > interface Serial3/1 > > no ip address > > ipv6 address 2001:0:0:1::/64 eui-64 > > ipv6 enable > > > > > > router1#sh ipv6 route > > IPv6 Routing Table - 5 entries > > Codes: C - Connected, L - Local, S - Static, R - RIP, B - BGP > > U - Per-user Static route > > I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS > summary > > O - OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF > ext 2 > > ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2 > > D - EIGRP, EX - EIGRP external > > C 2001:0:0:1::/64 [0/0] > > via ::, Serial3/1 > > L 2001::1:212:43FF:FEC9:A620/128 [0/0] > > via ::, Serial3/1 > > L FF00::/8 [0/0] > > via ::, Null0 > > > > > > > > router2#sh run int ser 0/0/0 > > interface Serial0/0/0 > > no ip address > > ipv6 address 2001:0:0:2::/64 eui-64 > > ipv6 enable > > no fair-queue > > clock rate 64000 > > end > > > > router2#sh ipv6 route > > IPv6 Routing Table - 3 entries > > Codes: C - Connected, L - Local, S - Static, R - RIP, B - BGP > > U - Per-user Static route, M - MIPv6 > > I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS > summary > > O - OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF > ext 2 > > ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2 > > D - EIGRP, EX - EIGRP external > > C 2001:0:0:2::/64 [0/0] > > via ::, Serial0/0/0 > > L 2001::2:213:C4FF:FEDC:4CB0/128 [0/0] > > via ::, Serial0/0/0 > > L FF00::/8 [0/0] > > via ::, Null0 > > router2#ping ipv6 2001::1:212:43FF:FEC9:A620 > > > > Type escape sequence to abort. > > Sending 5, 100-byte ICMP Echos to 2001::1:212:43FF:FEC9:A620, timeout > is 2 seconds: > > > > ..... > > Success rate is 0 percent (0/5) > > router2# > > > > _________________________________________________________________ > Post free property ads on Yello Classifieds now! www.yello.in > http://ss1.richmedia.in/recurl.asp?pid=220 > > ______________________________________________________________ > _________ > Subscription information may be found at: > http://www.groupstudy.com/list/CCIELab.html
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