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# Show vxlan tunnel

root@zdcpe1cpe01gw01-201812032302:/opt# vppctl show vxlan tunnel
[0] src 10.5.0.104 dst 10.5.0.21 vni 104 sw_if_index 4 encap_fib_index 0 fib_entry_index 9 decap_next l2


# show ip address used by vpp interface

root@zdcpe1cpe01gw01-201812032302:/opt# vppctl show int addr
GigabitEthernet0/4/0 (up):
10.5.0.104/24
GigabitEthernet0/6/0 (up):
10.2.0.4/24
local0 (dn):
loop0 (up):
l2 bridge bd_id 10 bvi shg 2
192.168.1.254/24
tap-0 (up):
l2 bridge bd_id 10 shg 0
vxlan_tunnel0 (up):
l2 bridge bd_id 10 shg 1


#Show interface mac address

Show interface mac address 
root@zdcpe1cpe01brgemu01-201812282326:~# vppctl show hardware-interfaces 
Name Idx Link Hardware
GigabitEthernet0/4/0 1 up GigabitEthernet0/4/0
Ethernet address fa:16:3e:85:fa:ab
Red Hat Virtio
carrier up full duplex speed 10000 mtu 9216 
rx queues 1, rx desc 256, tx queues 1, tx desc 256

tx frames ok 65
tx bytes ok 21778
rx frames ok 327
rx bytes ok 41230
extended stats:
rx good packets 327
tx good packets 65
rx good bytes 41230
tx good bytes 21778
rx q0packets 327
rx q0bytes 41230
tx q0packets 65
tx q0bytes 21778
rx q0 good packets 327
rx q0 good bytes 41230
rx q0 multicast packets 262
rx q0 broadcast packets 2
rx q0 undersize packets 1
rx q0 size 65 127 packets 269
rx q0 size 128 255 packets 1
rx q0 size 256 511 packets 56
tx q0 good packets 65
tx q0 good bytes 21778
tx q0 undersize packets 1
tx q0 size 65 127 packets 5
tx q0 size 256 511 packets 58
tx q0 size 1024 1518 packets 1
local0 0 down local0
local
tap-0 2 up tap-0
Ethernet address 02:fe:bd:f2:7b:71
tap-1 3 up tap-1
Ethernet address 02:fe:36:99:a5:5c


 #service managed by systemd 

root@zdcpe1cpe01gw01-201812032302:/opt# systemctl | grep dhcp
isc-dhcp-server.service loaded active running ISC DHCP IPv4 server
root@zdcpe1cpe01gw01-201812032302:/opt# systemctl status isc-dhcp-server.service
? isc-dhcp-server.service - ISC DHCP IPv4 server
Loaded: loaded (/etc/systemd/system/isc-dhcp-server.service; enabled; vendor preset: enabled)
Active: active (running) since Mon 2018-12-03 23:07:48 UTC; 5h 8min ago
Docs: man:dhcpd(8)
Main PID: 1477 (dhcpd)
Tasks: 1
Memory: 9.1M
CPU: 683ms
CGroup: /system.slice/isc-dhcp-server.service
??1477 dhcpd -user dhcpd -group dhcpd -f -4 -pf /run/dhcp-server/dhcpd.pid -cf /etc/dhcp/dhcpd.conf

Dec 04 04:16:07 zdcpe1cpe01gw01-201812032302 dhcpd[1477]: DHCPREQUEST for 192.168.1.2 from 86:65:56:0c:1b:34 via lstack
Dec 04 04:16:08 zdcpe1cpe01gw01-201812032302 dhcpd[1477]: ns1.example.org: host unknown.
Dec 04 04:16:08 zdcpe1cpe01gw01-201812032302 dhcpd[1477]: ns2.example.org: host unknown.
Dec 04 04:16:08 zdcpe1cpe01gw01-201812032302 dhcpd[1477]: DHCPACK on 192.168.1.2 to 86:65:56:0c:1b:34 (zdcpe1cpe01brgemu01-201812011854) via lstack
Dec 04 04:16:26 zdcpe1cpe01gw01-201812032302 dhcpd[1477]: reuse_lease: lease age 19 (secs) under 25% threshold, reply with unaltered, existing lease
Dec 04 04:16:26 zdcpe1cpe01gw01-201812032302 dhcpd[1477]: DHCPREQUEST for 192.168.1.2 from 86:65:56:0c:1b:34 (zdcpe1cpe01brgemu01-201812011854) via lstack
Dec 04 04:16:26 zdcpe1cpe01gw01-201812032302 dhcpd[1477]: DHCPACK on 192.168.1.2 to 86:65:56:0c:1b:34 via lstack
Dec 04 04:16:29 zdcpe1cpe01gw01-201812032302 dhcpd[1477]: reuse_lease: lease age 22 (secs) under 25% threshold, reply with unaltered, existing lease
Dec 04 04:16:29 zdcpe1cpe01gw01-201812032302 dhcpd[1477]: DHCPREQUEST for 192.168.1.2 from 86:65:56:0c:1b:34 via lstack
Dec 04 04:16:29 zdcpe1cpe01gw01-201812032302 dhcpd[1477]: DHCPACK on 192.168.1.2 to 86:65:56:0c:1b:34 via lstack
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