VPP is not crashing anymore. I didn't change anything.
VPP is caching DNS queries
[P] DNS query: id 18
no-recur recur-des no-trunc non-auth
2 queries, 0 answers, 0 name-servers, 0 add'l recs
Queries:
Name: www.apple.com: type A
Name: www.apple.com: type AAAA
But LAN device is not able to resolve any url
LAN device is at 10.155.6.202
dig @10.155.6.1 www.apple.com
; <<>> DiG 9.10.6 <<>> @10.155.6.1 www.apple.com
; (1 server found)
;; global options: +cmd
;; connection timed out; no servers could be reached
On Wed, Aug 14, 2019 at 4:41 PM carlito nueno via Lists.Fd.Io
<carlitonueno=gmail....@lists.fd.io> wrote:
>
> Hi all,
>
> I am trying to use DNS server and on "ping google.com" VPP is crashing
>
> Aug 13 21:31:10 test1-vpp vnet[853]: unknown input `add_del 8.8.8.8
> Aug 13 21:31:28 test1-vpp vnet[853]: dns cache: add / del / clear required..
> Aug 13 21:31:36 test1-vpp vnet[853]:
> vl_api_dns_resolve_name_reply_t_handler:2556: ip4 address 23.75.7.244
> Aug 13 21:32:24 test1-vpp vnet[853]: dns cache: add / del / clear required..
> Aug 13 21:34:43 test1-vpp vnet[853]: resolve_event:247: name server
> 8.8.8.8 backfire
>
> When I try to restart it, it just hangs
>
> Aug 13 21:35:16 test1-vpp vnet[853]: unix_signal_handler:170: received
> signal SIGCONT, PC 0x7f9bf5ff7e20
> Aug 13 21:35:16 test1-vpp vnet[853]: received SIGTERM, exiting...
> Aug 13 21:35:16 test1-vpp systemd[1]: Stopping vector packet
> processing engine...
> Aug 13 21:35:16 test1-vpp vnet[853]: unix_signal_handler:170: received
> signal SIGCONT, PC 0x7f9bf5ff7e20
>
> vpp.conf
>
> set int state wan0 up
> set dhcp client intfc wan0 hostname vpp
>
> loopback create
> set int l2 bridge loop5 6 bvi
> set int ip address loop5 10.155.6.1/24
> set int state loop5 up
>
> set int l2 bridge lan0 6
> set int state lan0 up
>
> create tap id 5 host-ip4-addr 10.155.6.2/24 host-if-name lstack
> host-ip4-gw 10.155.6.1
> set int l2 bridge tap5 6
> set int state tap5 up
>
> nat44 add interface address wan0
> set interface nat44 in loop5 in out wan0
>
> nat44 add identity mapping external wan0 udp 53053
> bin dns_name_server_add_del 8.8.8.8
> bin dns_name_server_add_del 8.8.8.4
> bin dns_enable_disable
>
> DHCP server settings
> OPTION: 6 ( 4) DNS server 10.155.6.1
> OPTION: 3 ( 4) Routers 10.155.6.1
>
> Thanks!
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