SRX

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  • 1.  Active Router Advertissement IPV6 SRX : repond ping: sendmsg: No route to host

    Posted 03-08-2016 10:45

    Hello, how we activate the advertissement router on a juniper on connect to ipv6 ?

    Freebsd connect to advertissement is

     

    on the file /etc/sysctl.conf

     

    net.inet6.ip6.accept_rtadv=1
     
     
    My ipv6 : 2001:41d0:13:4cc6:3e61:4ff:fe95:adc5
    My subnet : /64
    My gateway : 2001:41d0:13:4cff:ff:ff:ff:ff
     
    ping Gateway :
    root@gw-1> ping 2001:41d0:13:4cff:ff:ff:ff:ff
    PING6(56=40+8+8 bytes) 2001:41d0:13:4cc6:3e61:4ff:fe95:adc5 --> 2001:41d0:13:4cff:ff:ff:ff:ff
    ping: sendmsg: No route to host
    ping6: wrote 2001:41d0:13:4cff:ff:ff:ff:ff 16 chars, ret=-1
    ping: sendmsg: No route to host
    ping6: wrote 2001:41d0:13:4cff:ff:ff:ff:ff 16 chars, ret=-1
    ping: sendmsg: No route to host
    ping6: wrote 2001:41d0:13:4cff:ff:ff:ff:ff 16 chars, ret=-1
    ping: sendmsg: No route to host
    ping6: wrote 2001:41d0:13:4cff:ff:ff:ff:ff 16 chars, ret=-1
    ^C
    --- 2001:41d0:13:4cff:ff:ff:ff:ff ping6 statistics ---
    4 packets transmitted, 0 packets received, 100% packet loss
     
     
     
    my interface
    ge-0/0/5.0 up up
     
    inet6 2001:41d0:13:4cc6:3e61:4ff:fe95:adc5/64
    fe80::3e61:4ff:fe95:adc5/64
     
    and log to routing advertissement ...
    Mar 8 20:28:10 trace_on: Tracing to "/var/log/ipv6-nd-trace" started
    Mar 8 20:28:10.484154 ipv6_ra_iflchange(Router-Advertisement): ifl 0x150cbb8 ifl ge-0/0/5.0 75 change 0, intf 0x1574000
    Mar 8 20:28:10.494631 ipv6_ra_ifachange(Router-Advertisement): ifa 0x1510b7c 2001:41d0:13:4cc6:3e61:4ff:fe95:adc5 ifl ge-0/0/5.0 75 change 0, intf 0x1574000
    Mar 8 20:28:10.494762 -- nochange/add
    Mar 8 20:28:10.496084 ipv6_ra_ifachange(Router-Advertisement): ifa 0x151071c fe80::3e61:4ff:fe95:adc5 ifl ge-0/0/5.0 75 change 0, intf 0x1574000
    Mar 8 20:28:10.496214 -- nochange/add
    Mar 8 20:28:10.499382 ipv6_ra_ifachange(Router-Advertisement): ifa 0x1510834 (null) ifl sp-0/0/0.0 78 change 0, intf 0x0
    Mar 8 20:28:10.499516 -- nochange/add
    Mar 8 20:28:10.500481 background dispatch running job ipv6_ra_delete_interface_config_job for task Router-Advertisement
    Mar 8 20:28:10.500652 task_job_delete: delete background job ipv6_ra_delete_interface_config_job for task Router-Advertisement
    Mar 8 20:28:10.500762 background dispatch completed job ipv6_ra_delete_interface_config_job for task Router-Advertisement
    Mar 8 20:31:27.150104 task_job_create_foreground: create job ipv6 ra for task Router-Advertisement
    Mar 8 20:31:27.150348 foreground dispatch running job ipv6 ra for task Router-Advertisement
    Mar 8 20:31:27.150487 ipv6_ra_send_advertisement: sending advertisement for ifl 75 to ff02::1
    Mar 8 20:31:27.150597 (229204) sending advertisement for ifl 75
    Mar 8 20:31:27.151628 ifa 0x1510b7c 2001:41d0:13:4cc6:3e61:4ff:fe95:adc5/64
    Mar 8 20:31:27.152071 --> sent 56 bytes
    Mar 8 20:31:27.152241 task_timer_reset: reset Router-Advertisement_ipv6ra
    Mar 8 20:31:27.152355 task_timer_set_oneshot_latest: timer Router-Advertisement_ipv6ra interval set to 8:52.857000
    Mar 8 20:31:27.152450 foreground dispatch completed job ipv6 ra for task Router-Advertisement
    Mar 8 20:40:20.008710 task_job_create_foreground: create job ipv6 ra for task Router-Advertisement
    Mar 8 20:40:20.008952 foreground dispatch running job ipv6 ra for task Router-Advertisement
    Mar 8 20:40:20.009216 ipv6_ra_send_advertisement: sending advertisement for ifl 75 to ff02::1
    Mar 8 20:40:20.009343 (229737) sending advertisement for ifl 75
    Mar 8 20:40:20.009733 ifa 0x1510b7c 2001:41d0:13:4cc6:3e61:4ff:fe95:adc5/64
    Mar 8 20:40:20.010133 --> sent 56 bytes
    Mar 8 20:40:20.010300 task_timer_reset: reset Router-Advertisement_ipv6ra
    Mar 8 20:40:20.010419 task_timer_set_oneshot_latest: timer Router-Advertisement_ipv6ra interval set to 5:18.149000
    Mar 8 20:40:20.010515 foreground dispatch completed job ipv6 ra for task Router-Advertisement
    Mar 8 20:45:38.158509 task_job_create_foreground: create job ipv6 ra for task Router-Advertisement
    Mar 8 20:45:38.158751 foreground dispatch running job ipv6 ra for task Router-Advertisement
    Mar 8 20:45:38.158889 ipv6_ra_send_advertisement: sending advertisement for ifl 75 to ff02::1
    Mar 8 20:45:38.159000 (230055) sending advertisement for ifl 75
    Mar 8 20:45:38.159377 ifa 0x1510b7c 2001:41d0:13:4cc6:3e61:4ff:fe95:adc5/64
    Mar 8 20:45:38.159775 --> sent 56 bytes
    Mar 8 20:45:38.159964 task_timer_reset: reset Router-Advertisement_ipv6ra
    Mar 8 20:45:38.160083 task_timer_set_oneshot_latest: timer Router-Advertisement_ipv6ra interval set to 6:59.472000
    Mar 8 20:45:38.160181 foreground dispatch completed job ipv6 ra for task Router-Advertisement
    Mar 8 20:52:37.632643 task_job_create_foreground: create job ipv6 ra for task Router-Advertisement
    Mar 8 20:52:37.632888 foreground dispatch running job ipv6 ra for task Router-Advertisement
    Mar 8 20:52:37.633031 ipv6_ra_send_advertisement: sending advertisement for ifl 75 to ff02::1
    Mar 8 20:52:37.633142 (230474) sending advertisement for ifl 75
    Mar 8 20:52:37.633598 ifa 0x1510b7c 2001:41d0:13:4cc6:3e61:4ff:fe95:adc5/64
    Mar 8 20:52:37.634003 --> sent 56 bytes
    Mar 8 20:52:37.634171 task_timer_reset: reset Router-Advertisement_ipv6ra
    Mar 8 20:52:37.634289 task_timer_set_oneshot_latest: timer Router-Advertisement_ipv6ra interval set to 9:56.912000
    Mar 8 20:52:37.634386 foreground dispatch completed job ipv6 ra for task Router-Advertisement
    Mar 8 21:02:34.546343 task_job_create_foreground: create job ipv6 ra for task Router-Advertisement
    Mar 8 21:02:34.546589 foreground dispatch running job ipv6 ra for task Router-Advertisement
    Mar 8 21:02:34.546731 ipv6_ra_send_advertisement: sending advertisement for ifl 75 to ff02::1
    Mar 8 21:02:34.546841 (231071) sending advertisement for ifl 75
    Mar 8 21:02:34.547225 ifa 0x1510b7c 2001:41d0:13:4cc6:3e61:4ff:fe95:adc5/64
    Mar 8 21:02:34.547626 --> sent 56 bytes
    Mar 8 21:02:34.547797 task_timer_reset: reset Router-Advertisement_ipv6ra
    Mar 8 21:02:34.547913 task_timer_set_oneshot_latest: timer Router-Advertisement_ipv6ra interval set to 8:36.598000
    Mar 8 21:02:34.548012 foreground dispatch completed job ipv6 ra for task Router-Advertisement
     
    and neighbors ipv6 i'm probleme show ipv6 : 2001:41d0:13:4cc6:3e61:4ff:fe95:adc5
     
    root@gw-1> show ipv6 neighbors
    IPv6 Address Linklayer Address State Exp Rtr Secure Interface
    fe80::207:7dff:fe75:1140 00:07:7d:75:11:40 stale 75 yes no ge-0/0/5.0
    fe80::207:7dff:fe75:1780 00:07:7d:75:17:80 stale 13 yes no ge-0/0/5.0
     
    root@gw-1> show ipv6 router-advertisement
    Interface: ge-0/0/5.0
    Advertisements sent: 11, last sent 00:04:17 ago
    Solicits received: 0
    Advertisements received: 0
     
     
    Show route Inet6
    inet6.0: 4 destinations, 4 routes (4 active, 0 holddown, 0 hidden)
    + = Active Route, - = Last Active, * = Both

    2001:41d0:13:4cc6::/64 *[Direct/0] 00:03:12
    > via ge-0/0/5.0
     
    2001:41d0:13:4cc6:3e61:4ff:fe95:adc5/128 *[Local/0] 00:03:12
    Local via ge-0/0/5.0

    fe80::/64 *[Direct/0] 00:03:12
    > via ge-0/0/5.0

    fe80::3e61:4ff:fe95:adc5/128 *[Local/0] 00:03:12
    Local via ge-0/0/5.0
     
    please help me.

     



  • 2.  RE: Active Router Advertissement IPV6 SRX : repond ping: sendmsg: No route to host

    Posted 03-08-2016 21:26

    Hi !

    Find here a working example of IPv6 RA including 2 VRRP groups for IPv6 (address changed)

     

    interfaces {

    ge-0/0/6 {
    unit 0 {
    family inet {
    address 1.123.226.1/25 {
    vrrp-group 26 {
    virtual-address 1.123.226.100;
    priority 250;
    preempt {
    hold-time 60;
    }
    accept-data;
    }
    }
    address 1.123.225.2/25 {
    vrrp-group 25 {
    virtual-address 1.123.225.100;
    preempt {
    hold-time 60;
    }
    accept-data;
    }
    }
    }
    family inet6 {
    address aaaa:e380:8111::2/48 {
    vrrp-inet6-group 125 {
    virtual-inet6-address aaaa:e380:8111::100;
    virtual-link-local-address fe80::8111:100;
    preempt {
    hold-time 60;
    }
    accept-data;
    }
    }
    address fe80::8111:2/64;
    address aaaa:e380:8222::2/48 {
    vrrp-inet6-group 126 {
    virtual-inet6-address aaaa:e380:8222::100;
    virtual-link-local-address fe80::8111:200;
    priority 250;
    preempt {
    hold-time 60;
    }
    accept-data;
    }}}}}}

    #########################

    Note that you can only have one link local address on the interface and one link local VIP per vrrp group

     

    ###################### here the normal Router advertisment with SLAAC #######################

    protocols {
    router-advertisement {
    interface ge-0/0/6.0 {
    max-advertisement-interval 4;
    virtual-router-only;
    prefix aaaa:e380:8111::/48;
    prefix aaaa:e380:8222::/48;
    }
    }

    ######################### here the RA if you do NOT want SLAAC  ###################

    protocols {
    router-advertisement {
    interface ge-0/0/5.0 {
    max-advertisement-interval 4;
    virtual-router-only;                                     
    prefix aaaa:e380:8111::/48 {
    no-on-link;
    no-autonomous;
    }
    prefix aaaa:e380:8222::/48 {
    no-on-link;
    no-autonomous;
    }
    }
    }

     

    the virtual-router only statement means that only the VRRP master is sending out the RA

     

    Hope that helps

     

    regards

    alexander



  • 3.  RE: Active Router Advertissement IPV6 SRX : repond ping: sendmsg: No route to host
    Best Answer

    Posted 03-12-2016 16:56

    thank you , but my problem was resolved my gateway is found on a network above the give / 64 I had change now the problem is resolved thank you anyway