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DHCP server does not reply

DHCP does not allocate address ( No available addresses )

in "SELECTING" state

show dhcp server binding routing-instance vDHCP_SERVER

The Relay is working: goes to 10.10.10.0 then 10.10.20.0 then 10.10.30.0

Code Block

title	show binding

{master:0}
jkriker@qfx5110-18-DHCPSERVER> show dhcp server binding routing-instance vDHCP_SERVER
IP address        Session Id  Hardware address   Expires     State      Interface
10.10.0.101       1586        00:11:01:00:00:03  262         BOUND      xe-0/0/1.0
10.10.0.100       1587        00:11:01:00:00:04  262         BOUND      xe-0/0/1.0
10.10.10.12       1597        00:11:01:00:00:06  265         SELECTING  xe-0/0/1.0
10.10.10.11       1596        00:11:01:00:00:09  265         SELECTING  xe-0/0/1.0



{master:0}
jkriker@qfx5110-18-DHCPSERVER> show dhcp server binding routing-instance vDHCP_SERVER
IP address        Session Id  Hardware address   Expires     State      Interface
10.10.0.101       1586        00:11:01:00:00:03  235         BOUND      xe-0/0/1.0
10.10.0.100       1587        00:11:01:00:00:04  235         BOUND      xe-0/0/1.0
10.10.20.23       1618        00:11:01:00:00:06  143         SELECTING  xe-0/0/1.0
10.10.20.22       1617        00:11:01:00:00:07  143         SELECTING  xe-0/0/1.0
10.10.20.21       1616        00:11:01:00:00:08  142         SELECTING  xe-0/0/1.0
10.10.20.24       1619        00:11:01:00:00:09  145         SELECTING  xe-0/0/1.0


{master:0}
jkriker@qfx5110-18-DHCPSERVER> show dhcp server binding routing-instance vDHCP_SERVER
IP address        Session Id  Hardware address   Expires     State      Interface
10.10.0.101       1586        00:11:01:00:00:03  184         BOUND      xe-0/0/1.0
10.10.0.100       1587        00:11:01:00:00:04  184         BOUND      xe-0/0/1.0
10.10.30.32       1632        00:11:01:00:00:05  274         SELECTING  xe-0/0/1.0
10.10.20.23       1618        00:11:01:00:00:06  92          SELECTING  xe-0/0/1.0
10.10.30.34       1634        00:11:01:00:00:06  278         SELECTING  xe-0/0/1.0
10.10.20.22       1617        00:11:01:00:00:07  92          SELECTING  xe-0/0/1.0
10.10.30.33       1633        00:11:01:00:00:07  278         SELECTING  xe-0/0/1.0
10.10.20.21       1616        00:11:01:00:00:08  91          SELECTING  xe-0/0/1.0
10.10.20.24       1619        00:11:01:00:00:09  94          SELECTING  xe-0/0/1.0
10.10.30.31       1636        00:11:01:00:00:0a  284         SELECTING  xe-0/0/1.0

No available addresses 42

Code Block

title	statistics

jkriker@qfx5110-18-DHCPSERVER> op sdss
Packets dropped:
    Total                      48
    No available addresses     42
    Send error                 6

Offer Delay:
    DELAYED                    0
    INPROGRESS                 0
    TOTAL                      0

Messages received:
    BOOTREQUEST                138
    DHCPDECLINE                0
    DHCPDISCOVER               73
    DHCPINFORM                 0
    DHCPRELEASE                23
    DHCPREQUEST                42
    DHCPLEASEQUERY             0
    DHCPBULKLEASEQUERY         0

Messages sent:
    BOOTREPLY                  67
    DHCPOFFER                  25
    DHCPACK                    42
    DHCPNAK                    0
    DHCPFORCERENEW             0
    DHCPLEASEUNASSIGNED        0
    DHCPLEASEUNKNOWN           0
    DHCPLEASEACTIVE            0
    DHCPLEASEQUERYDONE         0

No route to host

Nov 6 17:55:48.010390 DH_SVC_SENDMSG_FAILURE: sendmsg() from 10.10.3.2 to port 67 at 10.10.10.2 via interface 564 and outgoing routing instance vDHCP_SERVER failed: No route to host
Nov 6 17:55:48.010423 [MSTR][NOTE] [default:vDHCP_SERVER][SVR][INET][xe-0/0/11.0][SID=415] jdhcpd_local_server_pdu_send: Failed to send packet to 10.10.10.2

>> Solution:

routing-options {
static {
route 10.10.10.0/24 next-hop 10.10.3.1;
route 10.10.20.0/24 next-hop 10.10.3.1;
route 10.10.30.0/24 next-hop 10.10.3.1;
}
}

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