Hi Sorry having a bit of a problem reading your diagram but is the destination on the wire or is routed via box B have you tried a tcpdump on B to see what it sees ? A On Mon, Sep 20, 2004 at 03:40:39AM +0100, filipe abrantes wrote: > hi and thanks for replying, > > #ip r g 3030::254 > 3030::254 via 3030::254 dev eth0 src 2020::2 metric 0 > cache mtu 1500 advmss 1440 > > > > Alexander Samad wrote: > what do you get when you try > > > ip r g 3030::254 > > A > > On Mon, Sep 20, 2004 at 02:57:17AM +0100, filipe abrantes wrote: > * sorry for the other schema, it came out a mess. I hope > this one is > understandable. > > hi: > > I have this 2 boxes set up like this: > > > 2020::2/128 > 2020::254/128 3030::254/128 > 192.168.0.2/24 192.168.0.254/24 > > 192.168.30.254/24 > > +-------+ eth0 > eth3 > +-------+ > | |======================= | > | eth1 > | A > | | B > | ---- > | > | | > | > > +------- > + +------ > -+ > > > > A > > # ip r l > 192.168.30.254 dev eth0 scope link > 192.168.0.0/24 dev eth0 scope link > 169.254.0.0/16 dev lo scope link > 127.0.0.0/8 dev lo scope link > > # ip -6 r l > 2020::254 dev eth0 metric 1024 mtu 1500 advmss 1440 > 3030::254 dev eth0 metric 1024 mtu 1500 advmss 1440 > (...plus link local and multicast routes) > > > B > > # ip r l > 127.0.0.1 dev lo scope link > 192.168.0.0/24 dev eth3 proto kernel scope link src > 192.168.0.254 > 192.168.30.0/24 dev eth1 proto kernel scope link src > 192.168.30.254 > > # ip -6 r l > 2020::2 dev eth3 metric 1024 mtu 1500 advmss 1440 > metric10 64 > (...plus link local and multicast routes) > > # cat /proc/sys/net/ipv4/ip_forward > 1 > #cat /proc/sys/net/ipv6/conf/all/forwarding > 1 > > > The problem is that i can ping 192.168.30.254 from A, but i > can't ping > 3030::254 from A, anyone has a clue why this happens? Is > there any > feature i need to turn on or anything misconfigured? Why > does it work > for IPv4 but not for IPv6? > > > A -> B > > # ping 192.168.30.254 > PING 192.168.30.254 (192.168.30.254) 56(84) bytes of data. > 64 bytes from 192.168.30.254: icmp_seq=0 ttl=64 time=0.175 > ms > 64 bytes from 192.168.30.254: icmp_seq=1 ttl=64 time=0.122 > ms > > #ping6 3030::254 > PING 3030::254(3030::254) 56 data bytes > From ::1 icmp_seq=0 Destination unreachable: Address > unreachable > From ::1 icmp_seq=1 Destination unreachable: Address > unreachable > > > Regards > > Filipe Abrantes > _______________________________________________ > LARTC mailing list / _L_A_R_T_C_@_m_a_i_l_m_a_n_._d_s_9_a_._n_l > _h_t_t_p_:_/_/_m_a_i_l_m_a_n_._d_s_9_a_._n_l_/_m_a_i_l_m_a_n_/_l_i_s_t_i_n_f_o_/_l_a_r_t_c HOWTO: _h_t_t_p_:_/ > _/_l_a_r_t_c_._o_r_g_/ > > _______________________________________________ > LARTC mailing list / _L_A_R_T_C_@_m_a_i_l_m_a_n_._d_s_9_a_._n_l > _h_t_t_p_:_/_/_m_a_i_l_m_a_n_._d_s_9_a_._n_l_/_m_a_i_l_m_a_n_/_l_i_s_t_i_n_f_o_/_l_a_r_t_c HOWTO: _h_t_t_p_:_/ > _/_l_a_r_t_c_._o_r_g_/ > >
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