Mxwickra, this list is for IPv6 standardisation work. feel free to contact cisco support directly for your issues. the TAC for released software, or [EMAIL PROTECTED] for IPv6 beta/EFT software.
cheers, Ole > I would appreciate your help. > > I am new to IPv6 configuration on Cisco routers. My name is Mohan. I am a stundent > at Wichita State University. > We have a studnet Cisco lab. My project involves IPv6, IPv4 transition. > > I need some help with some IPv6 basics. I tried few times, but just could not get >the 'tunnels' to work. > > My configuration files follows. > > > > PROBLEM: > IPv6 Traffic does not go thru R7(IPv4) even with tunnels installed? > (for example, ping ipv6 from R3 to int s0/0 in R4 fails) > ======================================================================== > > > Network used (IOS 12.2(T), Cisco3640s) > > > s0/0 s1/0 s1/1 > s0/0 > <R4dual stack> -----serial-link--------<R7/IPv4 >only>-----------serial-link--------< R6-IPv6/IPv4 dual stack> > > | fa0/0 > > --------------------- > > | fa0/0 > > <R3-IPv6 only router> > > ======================================================================== > Interface Addresses > > IPv4 Address IPv6 Address > > > R4 int s0/0 193.30.60.1/24 3001::/64 eui-64 > > > R7 int s1/0 193.30.60.2/24 NA > int s1/1 156.27.0.2/16 NA > > > R6 int s0/0 156.27.0.1/16 3001::/64 eui-64 > int fa0/0 10.10.10.1/8 3002::/64 eui-64 > > > R3 int fa0/0 3002::/64 eui-64 > > > ========================================================== > > > Router R6 - dual stack router, runs RIP, RIPv6, connected to IPv6 only router > R3 and IPv4 only router R7 > ======================================================================= > > r6#sh run > Building configuration... > > Current configuration : 1564 bytes > ! > version 12.2 > > hostname r6 > ! > boot system flash:c3640-jk9s-mz.122-2.T.bin > > ipv6 unicast-routing > ! > interface Tunnel0 > no ip address > ipv6 address 3FFE:B00:C18:1::3/127 > tunnel source 10.10.10.1 > tunnel destination 20.20.20.1 > tunnel mode ipv6ip > ! > interface Tunnel1 > no ip address > no ip redirects > tunnel source Serial0/0 > tunnel mode ipv6ip auto-tunnel > ! > interface FastEthernet0/0 > ip address 10.10.10.1 255.0.0.0 > duplex auto > speed auto > ipv6 address 3002::/64 eui-64 > ipv6 rip Rip6 enable > ! > interface Serial0/0 > ip address 156.27.0.1 255.255.0.0 > ipv6 address 3001::/64 eui-64 > ipv6 rip Rip6 enable > ! > interface TokenRing0/0 > no ip address > shutdown > ring-speed 16 > ! > router rip > network 10.0.0.0 > network 156.27.0.0 > ! > ! > ipv6 router rip Rip6 > ! > end > > r6# > > ======================================================================= > > r6#sh ip rou > 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, 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 > > R 193.30.60.0/24 [120/1] via 156.27.0.2, 00:00:00, Serial0/0 > R 20.0.0.0/8 [120/2] via 156.27.0.2, 00:00:00, Serial0/0 > C 156.27.0.0/16 is directly connected, Serial0/0 > C 10.0.0.0/8 is directly connected, FastEthernet0/0 > > ====================================================================== > r6#sh ipv6 int brief > FastEthernet0/0 [up/up] > 3002::204:9AFF:FE8A:5641 > Serial0/0 [up/up] > 3001::4:9A8A:5641:3 > TokenRing0/0 [administratively down/down] > unassigned > Serial0/1 [administratively down/down] > unassigned > ATM2/0 [administratively down/down] > unassigned > Tunnel0 [up/up] > 3FFE:B00:C18:1::3 > Tunnel1 [up/up] > ::156.27.0.1 > ================================================================== > > r6#sh ipv6 int > FastEthernet0/0 is up, line protocol is up > IPv6 is enabled, link-local address is FE80::204:9AFF:FE8A:5641 > Global unicast address(es): > 3002::204:9AFF:FE8A:5641, subnet is 3002::/64 > Joined group address(es): > FF02::1 > FF02::2 > FF02::1:FF8A:5641 > FF02::9 > MTU is 1500 bytes > ICMP error messages limited to one every 500 milliseconds > ND reachable time is 30000 milliseconds > ND advertised reachable time is 0 milliseconds > ND advertised retransmit interval is 0 milliseconds > ND router advertisements are sent every 200 seconds > ND router advertisements live for 1800 seconds > Hosts use stateless autoconfig for addresses. > Serial0/0 is up, line protocol is up > IPv6 is enabled, link-local address is FE80::4:9A8A:5641:3 > Global unicast address(es): > 3001::4:9A8A:5641:3, subnet is 3001::/64 > Joined group address(es): > FF02::1 > FF02::2 > FF02::1:FF41:3 > FF02::9 > MTU is 1500 bytes > ICMP error messages limited to one every 500 milliseconds > ND reachable time is 30000 milliseconds > Hosts use stateless autoconfig for addresses. > Tunnel0 is up, line protocol is up > IPv6 is enabled, link-local address is FE80::A0A:A01 > Global unicast address(es): > 3FFE:B00:C18:1::3, subnet is 3FFE:B00:C18:1::3/127 > Joined group address(es): > FF02::1 > FF02::2 > FF02::1:FF41:A > FF02::1:FF00:3 > FF02::1:FFC8:D201 > FF02::1:FF0A:A01 > MTU is 1480 bytes > ICMP error messages limited to one every 500 milliseconds > ND reachable time is 30000 milliseconds > Hosts use stateless autoconfig for addresses. > Tunnel1 is up, line protocol is up > IPv6 is enabled, link-local address is FE80::9C1B:1 > Global unicast address(es): > ::156.27.0.1, subnet is ::/96 > Joined group address(es): > FF02::1 > FF02::2 > FF02::1:FF41:B > FF02::1:FF1B:1 > MTU is 1480 bytes > ICMP error messages limited to one every 500 milliseconds > ND reachable time is 30000 milliseconds > Hosts use stateless autoconfig for addresses. > r6# > > ================================================================== > > r6#sh ipv6 rou > IPv6 Routing Table - 9 entries > Codes: C - Connected, L - Local, S - Static, R - RIP, B - BGP > Timers: Uptime/Expires > > L ::156.27.0.1/128 [0/0] > via ::156.27.0.1, Tunnel1, 00:39:32/never > via ::, Tunnel1, 00:39:31/never > C ::156.27.0.1/96 [0/0] > via ::, Tunnel1, 00:39:31/never > L 3001::4:9A8A:5641:3/128 [0/0] > via ::, Serial0/0, 01:00:07/never > C 3001::/64 [0/0] > via ::, Serial0/0, 01:00:07/never > L 3002::204:9AFF:FE8A:5641/128 [0/0] > via ::, FastEthernet0/0, 01:00:07/never > C 3002::/64 [0/0] > via ::, FastEthernet0/0, 01:00:07/never > L 3FFE:B00:C18:1::3/128 [0/0] > via ::, Tunnel0, 00:04:02/never > C 3FFE:B00:C18:1::3/127 [0/0] > via ::, Tunnel0, 00:04:02/never > L FE80::/64 [0/0] > via ::, Null0, 01:00:07/never > r6# > > ============================================================================= > ============================================================================= > > Router R4 -dual stack router at the other end of IPv4 router > > r4#sh run > Building configuration... > > Current configuration : 1167 bytes > ! > version 12.2 > > hostname r4 > ! > ipv6 unicast-routing > ! > ! > interface Tunnel0 > no ip address > ipv6 address 3FFE:B00:C18:1::2/127 > tunnel source 20.20.20.1 > tunnel destination 10.10.10.1 > tunnel mode ipv6ip > ! > interface Tunnel1 > no ip address > no ip redirects > tunnel source Serial0/0 > tunnel mode ipv6ip auto-tunnel > ! > interface FastEthernet0/0 > ip address 20.20.20.1 255.0.0.0 > duplex auto > speed auto > ipv6 enable > ipv6 rip rip4 enable > ! > interface Serial0/0 > ip address 193.30.60.1 255.255.255.0 > ipv6 address 3001::/64 eui-64 > ipv6 rip rip4 enable > no fair-queue > ! > router rip > network 20.0.0.0 > network 193.30.60.0 > ! > ! > ipv6 router rip rip4 > ! > end > > r4# > ================================================================= > > r4# > r4#sh ipv6 rou > IPv6 Routing Table - 7 entries > Codes: C - Connected, L - Local, S - Static, R - RIP, B - BGP > Timers: Uptime/Expires > > L ::193.30.60.1/128 [0/0] > via ::193.30.60.1, Tunnel1, 00:42:54/never > via ::, Tunnel1, 00:42:53/never > C ::193.30.60.1/96 [0/0] > via ::, Tunnel1, 00:42:53/never > L 3001::4:9AE4:4B81:3/128 [0/0] > via ::, Serial0/0, 01:28:41/never > C 3001::/64 [0/0] > via ::, Serial0/0, 01:28:41/never > L 3FFE:B00:C18:1::2/128 [0/0] > via ::, Tunnel0, 00:08:50/never > C 3FFE:B00:C18:1::2/127 [0/0] > via ::, Tunnel0, 00:08:50/never > L FE80::/64 [0/0] > via ::, Null0, 01:47:39/never > r4# > > ====================================================================== > > r4# > r4#sh ipv6 neigh > r4#sh ipv6 int brief > FastEthernet0/0 [up/up] > FE80::204:9AFF:FEE4:4B81 > Serial0/0 [up/up] > 3001::4:9AE4:4B81:3 > TokenRing0/0 [administratively down/down] > unassigned > Tunnel0 [up/up] > 3FFE:B00:C18:1::2 > Tunnel1 [up/up] > ::193.30.60.1 > r4# > > ======================================================================= > > r4#sh ipv6 int > FastEthernet0/0 is up, line protocol is up > IPv6 is enabled, link-local address is FE80::204:9AFF:FEE4:4B81 > No global unicast address is configured > Joined group address(es): > FF02::1 > FF02::1:FFE4:4B81 > FF02::2 > FF02::9 > MTU is 1500 bytes > ICMP error messages limited to one every 500 milliseconds > ND reachable time is 30000 milliseconds > ND advertised reachable time is 0 milliseconds > ND advertised retransmit interval is 0 milliseconds > ND router advertisements are sent every 200 seconds > ND router advertisements live for 1800 seconds > Hosts use stateless autoconfig for addresses. > Serial0/0 is up, line protocol is up > IPv6 is enabled, link-local address is FE80::4:9AE4:4B81:3 > Global unicast address(es): > 3001::4:9AE4:4B81:3, subnet is 3001::/64 > Joined group address(es): > FF02::1 > FF02::1:FF81:3 > FF02::2 > FF02::9 > MTU is 1500 bytes > ICMP error messages limited to one every 500 milliseconds > ND reachable time is 30000 milliseconds > Hosts use stateless autoconfig for addresses. > Tunnel0 is up, line protocol is up > IPv6 is enabled, link-local address is FE80::1414:1401 > Global unicast address(es): > 3FFE:B00:C18:1::2, subnet is 3FFE:B00:C18:1::2/127 > Joined group address(es): > FF02::1 > FF02::2 > FF02::1:FF81:8 > FF02::1:FF00:2 > FF02::1:FFC8:C801 > FF02::1:FF14:1401 > MTU is 1480 bytes > ICMP error messages limited to one every 500 milliseconds > ND reachable time is 30000 milliseconds > Hosts use stateless autoconfig for addresses. > Tunnel1 is up, line protocol is up > IPv6 is enabled, link-local address is FE80::C11E:3C01 > Global unicast address(es): > ::193.30.60.1, subnet is ::/96 > Joined group address(es): > FF02::1 > FF02::2 > FF02::1:FF81:9 > FF02::1:FF1E:3C01 > MTU is 1480 bytes > ICMP error messages limited to one every 500 milliseconds > ND reachable time is 30000 milliseconds > Hosts use stateless autoconfig for addresses. > r4# > ======================================================================== > > r4#sh ipv6 rip > RIP process "rip4", port 521, multicast-group FF02::9, pid 112 > Administrative distance is 120. Routing table is 0 > Updates every 30 seconds, expire after 180 > Holddown lasts 180 seconds, garbage collect after 120 > Split horizon is on; poison reverse is off > Default routes are not generated > Periodic updates 221, trigger updates 0 > r4# > > > ========================================================================= > ========================================================================= > > r3#sh ipv6 rou > IPv6 Routing Table - 4 entries > Codes: C - Connected, L - Local, S - Static, R - RIP, B - BGP > Timers: Uptime/Expires > > R 3001::/64 [120/2] > via FE80::204:9AFF:FE8A:5641, FastEthernet0/0, 00:02:07/00:02:47 > L 3002::204:9AFF:FEE4:4B61/128 [0/0] > via ::, FastEthernet0/0, 02:50:48/never > C 3002::/64 [0/0] > via ::, FastEthernet0/0, 02:50:48/never > L FE80::/64 [0/0] > via ::, Null0, 02:50:48/never > > ================================================================== > > r3#ping ipv6 3001::4:9A8A:5641:3 > > Type escape sequence to abort. > Sending 5, 100-byte ICMP Echos to 3001::4:9A8A:5641:3, timeout is 2 seconds: > !!!!! > Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms > r3#ping ipv6 3001::4:9AE4:4B81:3 > > Type escape sequence to abort. > Sending 5, 100-byte ICMP Echos to 3001::4:9AE4:4B81:3, timeout is 2 seconds: > ..... > Success rate is 0 percent (0/5) > > ================================================================== > r3#sh run > Building configuration... > > Current configuration : 916 bytes > ! > version 12.2 > > hostname r3 > ! > ipv6 unicast-routing > ! > ! > interface FastEthernet0/0 > ip address 10.10.10.2 255.0.0.0 > duplex auto > speed auto > ipv6 address 3002::/64 eui-64 > ipv6 rip rip3 enable > ipv6 rip rip3 default-information originate > ! > ! > ipv6 router rip rip3 > ! > end > > ================================================================== > r3# > > r3#sh ipv6 neigh > IPv6 Address Age Link-layer Addr State Interface > 3002::204:9AFF:FE8A:5641 131 0004.9a8a.5641 STALE FastEthernet > 0/0 > FE80::204:9AFF:FE8A:5641 2 0004.9a8a.5641 STALE FastEthernet > 0/0 > > r3# > > ================================================================== > r3#sh ipv6 int > FastEthernet0/0 is up, line protocol is up > IPv6 is enabled, link-local address is FE80::204:9AFF:FEE4:4B61 > Global unicast address(es): > 3002::204:9AFF:FEE4:4B61, subnet is 3002::/64 > Joined group address(es): > FF02::1 > FF02::2 > FF02::1:FFE4:4B61 > FF02::9 > MTU is 1500 bytes > ICMP error messages limited to one every 500 milliseconds > ND reachable time is 30000 milliseconds > ND advertised reachable time is 0 milliseconds > ND advertised retransmit interval is 0 milliseconds > ND router advertisements are sent every 200 seconds > ND router advertisements live for 1800 seconds > Hosts use stateless autoconfig for addresses. > r3# > > ==================================================================== > ==================================================================== > > r7#sh run > Building configuration... > > version 12.2 > > hostname r7 > ! > ! > interface Serial1/0 > ip address 193.30.60.2 255.255.255.0 > clockrate 2000000 > ! > interface Serial1/1 > ip address 156.27.0.2 255.255.0.0 > clockrate 2000000 > ! > router rip > network 193.30.60.0 > network 156.27.0.0 > ! > end > > r7# -------------------------------------------------------------------- IETF IPng Working Group Mailing List IPng Home Page: http://playground.sun.com/ipng FTP archive: ftp://playground.sun.com/pub/ipng Direct all administrative requests to [EMAIL PROTECTED] --------------------------------------------------------------------
