Hi Andre,
I think you forgot to enable nat44 feature. `nat44 plugin enable` and
probably `nat44 forwarding enable`
On Thu, 16 Jun 2022 at 22:40, Andre Courchesne <courc...@net-forces.com>
wrote:
> I have this very simple config:
>
> startup.conf
> unix {
> nodaemon
> log /var/log/vpp/vpp.log
> full-coredump
> cli-listen /run/vpp/cli.sock
> gid vpp
> startup-config /etc/vpp/initial_setup.conf
> poll-sleep-usec 100
> }
>
> api-trace {
> on
> }
>
> api-segment {
> gid vpp
> }
>
> socksvr {
> default
> }
>
> cpu {
> }
>
> buffers {
> buffers-per-numa 512000
> default data-size 4096
> }
>
> dpdk {
> dev default {
> num-rx-queues 3
> num-tx-queues 3
> num-rx-desc 512
> num-tx-desc 512
> rss-queues 0,2,5-7
> }
>
> dev 0000:01:00.0 {
> name wanport
> }
> dev 0000:03:00.0 {
> name guestport
> }
> }
>
> plugins {
> plugin default { disable }
> plugin dpdk_plugin.so { enable }
> plugin acl_plugin.so { enable }
> plugin dhcp_plugin.so { enable }
> plugin dns_plugin.so { disable }
> plugin nat_plugin.so { enable }
> plugin nat44_plugin.so { enable }
> plugin cnat_plugin.so { enable }
> plugin ping_plugin.so { enable }
> }
>
> logging {
> default-log-level debug
> default-syslog-log-level debug
> }
>
> initial_setup.conf
> comment { configure wan port 0c:c4:7a:c8:fc:e4 }
> set int mac address wanport 0c:c4:7a:c8:fc:e4
> set dhcp client intfc wanport hostname vpprouter
> set int state wanport up
>
> comment { Add Linux VLAN interfaces }
> create sub-interfaces guestport 1000
>
> comment { Create loop0 -> untag traffic }
> loopback create-interface
> set int l2 bridge loop0 1 bvi
> set int ip address loop0 192.168.2.1/24
> set int state loop0 up
>
> comment { Loop interfaces for VLANs }
> comment { Create loop1 -> VLAN 1000 }
> loopback create-interface
> set int l2 bridge loop1 2 bvi
> set int ip address loop1 172.20.0.0/20
> set int state loop1 up
>
>
> comment { Add untag guest to loop0 }
> set int l2 bridge guestport 1
> set int state guestport up
>
> comment { Add VLAN 1000 guest to loop1 }
> set int l2 bridge guestport.1000 2
> set int l2 tag-rewrite guestport.1000 pop 1
> set int state guestport.1000 up
>
>
> comment { create tap interface for dhcp server and host-stack access
> (untag - loop0 - tap0) }
> create tap id 0 host-if-name eno3 host-ip4-addr 192.168.2.2/24
> host-ip4-gw 192.168.2.1
> set int l2 bridge tap0 1
> set int state tap0 up
>
> comment { tap interfaces for VLANs }
> comment { create tap interface for dhcp server and host-stack access
> (VLAN 1000 - loop1 - tap1) }
> create tap id 1 host-if-name eno3.1000 host-ip4-addr 172.20.0.2/20
> host-ip4-gw 172.20.0.1
> set int l2 bridge tap1 2
> set int state tap1 up
>
> comment { configure nat }
> nat44 add interface address wanport
> set interface nat44 in loop1 out wanport
>
> comment { Route ssh (TCP 22) to the untag Linux interface }
> nat44 add static mapping local 192.168.2.2 22 external wanport 22 tcp
>
>
> When starting vpp manually I get an error on NAT44:
>
> guestport.1000
> loop0
> loop1
> tap0
> tap1
> nat44 add interface address: add wanport address failed
>
>
> This same config works on CentOS with vpp 20.09 but failt with v22.06-rc1
>
> wanport did get an IP via DHCP.
>
> Any clues ?
>
> Andre Courchesne - Consultant
> http://net-forces.blogspot.ca <http://www.net-forces.com/>
> https://www.co2.click
> Twitter: @IndianaTux
> LinkedIn: http://www.linkedin.com/pub/andr%C3%A9-courchesne/0/b0b/688
>
> L'information contenue dans le présent document est la propriété de Andre
> Courchesne. Et est divulguée en toute confidentialité. Cette information ne
> doit pas être utilisée, divulguée à d'autres personnes ou reproduite sans
> le consentement écrit explicite de Andre Courchesne.
>
> The information contained in this document is confidential and property of
> Andre Courchesne. It shall not be used, disclosed to others or reproduced
> without the express written consent of Andre Courchesne.
>
>
>
>
--
Best regards
Stanislav Zaikin
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