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dhcrelay listen at all ifs but should only on dedicated ifs

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IMMO WETZEL

dhcrelay listen at all ifs but should only on dedicated ifs

I´m running dhcrelay 4.3.5

My start line is
# dhcrelay -4 -d -iu br_TB104_TMN -id br_TB104_DUT 10.160.50.50
But dhcrelay is listen on all if´s like I specified nothing specific

Requesting: br_TB104_TMN as upstream: Y downstream: N
Requesting: br_TB104_DUT as upstream: N downstream: Y
Internet Systems Consortium DHCP Relay Agent 4.3.5
Copyright 2004-2016 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
Listening on LPF/docker0/02:42:38:0e:27:5a
Sending on LPF/docker0/02:42:38:0e:27:5a
Listening on LPF/br_TB991_DUT/42:b9:9b:1e:1c:c9
Sending on LPF/br_TB991_DUT/42:b9:9b:1e:1c:c9
Listening on LPF/br_TB104_DUT/42:b9:9b:1e:1c:c9
Sending on LPF/br_TB104_DUT/42:b9:9b:1e:1c:c9
Listening on LPF/br_TB104_TMN/7a:59:88:45:a6:23
Sending on LPF/br_TB104_TMN/7a:59:88:45:a6:23
Listening on LPF/br_TB104_TMN/7a:59:88:45:a6:23
Sending on LPF/br_TB104_TMN/7a:59:88:45:a6:23
.
A lot more coming here
.
Sending on Socket/fallback
Discarding packet received on ens19.2002.4090 interface that has no IPv4 address assigned.
Dropping request received on br_TB102_DUT
Discarding packet received on ens20.1002 interface that has no IPv4 address assigned.
.

Whats is wrong here with the start line ?

Mit freundlichen Grüßen / With kind regards

Immo Wetzel

ADTRAN GmbH
Siemensallee 1
17489 Greifswald
Germany

Phone: +49 3834 5352 823
Mobile: +49 151 147 29 225
Skype: immo_wetzel_adtran
[hidden email] PGP-Fingerprint: 7313 7E88 4E19 AACF 45E9 E74D EFF7 0480 F4CF 6426
http://www.adtran.com

Sitz der Gesellschaft: Berlin / Registered office: Berlin
Registergericht: Berlin / Commercial registry: Amtsgericht Charlottenburg, HRB 135656 B
Geschäftsführung / Managing Directors: Roger Shannon, James D. Wilson, Jr., Dr. Eduard Scheiterer

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Patrick Cervicek

Re: dhcrelay listen at all ifs but should only on dedicated ifs

It looks like your bridge interface has no IP address

Please provide:
brctl show
ip addr

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IMMO WETZEL

RE: dhcrelay listen at all ifs but should only on dedicated ifs

user@ testbed-router:~$ brctl show

bridge name bridge id STP enabled interfaces

br_TB102_DPU 8000.42b99b1e1cc9 no ens19.2002

ens19.2002.4090

br_TB102_TMN 8000.7a598845a623 no ens20.1002

br_TB103_DPU 8000.42b99b1e1cc9 no ens19.2003

ens19.2003.4090

br_TB103_TMN 8000.7a598845a623 no ens20.1003

br_TB104_DPU 8000.42b99b1e1cc9 no ens19.2004

ens19.2004.4090

br_TB104_TMN 8000.7a598845a623 no ens20.1004

br_TB105_DPU 8000.42b99b1e1cc9 no ens19.2005.4090

br_TB105_TMN 8000.7a598845a623 no ens20.1005

br_TB106_DPU 8000.42b99b1e1cc9 no ens19.2006.4090

br_TB106_TMN 8000.7a598845a623 no ens20.1006

br_TB133_DPU 8000.42b99b1e1cc9 no ens19.2033

ens19.2033.4090

br_TB133_TMN 8000.7a598845a623 no ens20.1033

br_TB134_DPU 8000.42b99b1e1cc9 no ens19.2034

ens19.2034.4090

br_TB134_TMN 8000.7a598845a623 no ens20.1034

br_TB260_1_DPU 8000.42b99b1e1cc9 no ens19.2097

ens19.2097.4090

br_TB260_2_DPU 8000.42b99b1e1cc9 no ens19.2113

ens19.2113.4090

br_TB260_3_DPU 8000.42b99b1e1cc9 no ens19.2129

ens19.2129.4090

br_TB260_4_DPU 8000.42b99b1e1cc9 no ens19.2145

ens19.2145.4090

br_TB260_TMN 8000.7a598845a623 no ens20.1160

br_TB991_DPU 8000.42b99b1e1cc9 no ens19.1991

ens19.1991.4090

br_TB991_TMN 8000.7a598845a623 no ens20.1001

docker0 8000.0242380e275a no

user@ testbed-router:~$ ip addr

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000

link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

inet 127.0.0.1/8 scope host lo

valid_lft forever preferred_lft forever

inet6 ::1/128 scope host

valid_lft forever preferred_lft forever

2: ens18: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000

link/ether 36:78:14:96:53:13 brd ff:ff:ff:ff:ff:ff

inet 10.160.8.83/23 brd 10.160.9.255 scope global ens18

valid_lft forever preferred_lft forever

inet6 fe80::3478:14ff:fe96:5313/64 scope link

valid_lft forever preferred_lft forever

3: ens19: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

4: ens20: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000

link/ether 7a:59:88:45:a6:23 brd ff:ff:ff:ff:ff:ff

inet6 fe80::7859:88ff:fe45:a623/64 scope link

valid_lft forever preferred_lft forever

5: ens20.1002@ens20: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB102_TMN state UP group default qlen 1000

link/ether 7a:59:88:45:a6:23 brd ff:ff:ff:ff:ff:ff

inet6 fe80::7859:88ff:fe45:a623/64 scope link

valid_lft forever preferred_lft forever

6: ens19.2002@ens19: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB102_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

7: ens20.1003@ens20: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB103_TMN state UP group default qlen 1000

link/ether 7a:59:88:45:a6:23 brd ff:ff:ff:ff:ff:ff

inet6 fe80::7859:88ff:fe45:a623/64 scope link

valid_lft forever preferred_lft forever

8: ens20.1004@ens20: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB104_TMN state UP group default qlen 1000

link/ether 7a:59:88:45:a6:23 brd ff:ff:ff:ff:ff:ff

inet6 fe80::7859:88ff:fe45:a623/64 scope link

valid_lft forever preferred_lft forever

9: br_TB102_DPU: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet 10.160.60.17/28 brd 10.160.60.31 scope global br_TB102_DPU

valid_lft forever preferred_lft forever

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

10: br_TB102_TMN: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 7a:59:88:45:a6:23 brd ff:ff:ff:ff:ff:ff

inet 10.160.50.17/28 brd 10.160.50.31 scope global br_TB102_TMN

valid_lft forever preferred_lft forever

inet6 fe80::7859:88ff:fe45:a623/64 scope link

valid_lft forever preferred_lft forever

11: br_TB103_TMN: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 7a:59:88:45:a6:23 brd ff:ff:ff:ff:ff:ff

inet 10.160.50.33/28 brd 10.160.50.47 scope global br_TB103_TMN

valid_lft forever preferred_lft forever

inet6 fe80::7859:88ff:fe45:a623/64 scope link

valid_lft forever preferred_lft forever

12: ens20.1005@ens20: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB105_TMN state UP group default qlen 1000

link/ether 7a:59:88:45:a6:23 brd ff:ff:ff:ff:ff:ff

inet6 fe80::7859:88ff:fe45:a623/64 scope link

valid_lft forever preferred_lft forever

13: ens19.2002.4090@ens19.2002: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB102_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

14: ens20.1006@ens20: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB106_TMN state UP group default qlen 1000

link/ether 7a:59:88:45:a6:23 brd ff:ff:ff:ff:ff:ff

inet6 fe80::7859:88ff:fe45:a623/64 scope link

valid_lft forever preferred_lft forever

15: ens19.2003@ens19: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB103_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

16: br_TB104_TMN: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 7a:59:88:45:a6:23 brd ff:ff:ff:ff:ff:ff

inet 10.160.50.49/28 brd 10.160.50.63 scope global br_TB104_TMN

valid_lft forever preferred_lft forever

inet6 fe80::7859:88ff:fe45:a623/64 scope link

valid_lft forever preferred_lft forever

17: ens20.1033@ens20: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB133_TMN state UP group default qlen 1000

link/ether 7a:59:88:45:a6:23 brd ff:ff:ff:ff:ff:ff

inet6 fe80::7859:88ff:fe45:a623/64 scope link

valid_lft forever preferred_lft forever

18: ens20.1034@ens20: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB134_TMN state UP group default qlen 1000

link/ether 7a:59:88:45:a6:23 brd ff:ff:ff:ff:ff:ff

inet6 fe80::7859:88ff:fe45:a623/64 scope link

valid_lft forever preferred_lft forever

19: ens20.1160@ens20: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB260_TMN state UP group default qlen 1000

link/ether 7a:59:88:45:a6:23 brd ff:ff:ff:ff:ff:ff

inet6 fe80::7859:88ff:fe45:a623/64 scope link

valid_lft forever preferred_lft forever

20: ens19.2003.4090@ens19.2003: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB103_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

21: ens19.2004@ens19: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB104_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

22: br_TB105_TMN: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 7a:59:88:45:a6:23 brd ff:ff:ff:ff:ff:ff

inet 10.160.50.65/28 brd 10.160.50.79 scope global br_TB105_TMN

valid_lft forever preferred_lft forever

inet6 fe80::7859:88ff:fe45:a623/64 scope link

valid_lft forever preferred_lft forever

23: ens20.1001@ens20: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB991_TMN state UP group default qlen 1000

link/ether 7a:59:88:45:a6:23 brd ff:ff:ff:ff:ff:ff

inet6 fe80::7859:88ff:fe45:a623/64 scope link

valid_lft forever preferred_lft forever

24: ens19.2004.4090@ens19.2004: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB104_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

25: ens19.2005@ens19: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

26: ens19.2005.4090@ens19.2005: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB105_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

27: ens19.2006@ens19: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

28: ens19.2006.4090@ens19.2006: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB106_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

29: ens19.2033@ens19: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB133_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

30: br_TB103_DPU: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet 10.160.60.33/28 brd 10.160.60.47 scope global br_TB103_DPU

valid_lft forever preferred_lft forever

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

31: ens19.2033.4090@ens19.2033: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB133_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

32: ens19.2034@ens19: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB134_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

33: br_TB106_TMN: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 7a:59:88:45:a6:23 brd ff:ff:ff:ff:ff:ff

inet 10.160.50.81/28 brd 10.160.50.95 scope global br_TB106_TMN

valid_lft forever preferred_lft forever

inet6 fe80::7859:88ff:fe45:a623/64 scope link

valid_lft forever preferred_lft forever

34: ens19.2034.4090@ens19.2034: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB134_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

35: br_TB133_TMN: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 7a:59:88:45:a6:23 brd ff:ff:ff:ff:ff:ff

inet 10.160.52.1/28 brd 10.160.52.15 scope global br_TB133_TMN

valid_lft forever preferred_lft forever

inet6 fe80::7859:88ff:fe45:a623/64 scope link

valid_lft forever preferred_lft forever

36: br_TB104_DPU: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet 10.160.60.49/28 brd 10.160.60.63 scope global br_TB104_DPU

valid_lft forever preferred_lft forever

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

37: ens19.2097@ens19: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB260_1_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

38: br_TB134_TMN: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 7a:59:88:45:a6:23 brd ff:ff:ff:ff:ff:ff

inet 10.160.52.17/28 brd 10.160.52.31 scope global br_TB134_TMN

valid_lft forever preferred_lft forever

inet6 fe80::7859:88ff:fe45:a623/64 scope link

valid_lft forever preferred_lft forever

39: br_TB260_TMN: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 7a:59:88:45:a6:23 brd ff:ff:ff:ff:ff:ff

inet 10.160.59.241/28 brd 10.160.59.255 scope global br_TB260_TMN

valid_lft forever preferred_lft forever

inet6 fe80::7859:88ff:fe45:a623/64 scope link

valid_lft forever preferred_lft forever

40: ens19.2097.4090@ens19.2097: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB260_1_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

41: ens19.2113@ens19: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB260_2_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

42: ens19.2113.4090@ens19.2113: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB260_2_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

43: ens19.2129@ens19: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB260_3_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

44: ens19.2129.4090@ens19.2129: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB260_3_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

45: ens19.2145@ens19: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB260_4_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

46: ens19.2145.4090@ens19.2145: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB260_4_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

47: ens19.1991@ens19: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB991_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

48: ens19.1991.4090@ens19.1991: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br_TB991_DPU state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

49: br_TB105_DPU: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet 10.160.60.65/28 brd 10.160.60.79 scope global br_TB105_DPU

valid_lft forever preferred_lft forever

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

50: br_TB106_DPU: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet 10.160.60.81/28 brd 10.160.60.95 scope global br_TB106_DPU

valid_lft forever preferred_lft forever

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

51: br_TB133_DPU: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet 10.160.62.1/28 brd 10.160.62.15 scope global br_TB133_DPU

valid_lft forever preferred_lft forever

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

52: br_TB991_TMN: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 7a:59:88:45:a6:23 brd ff:ff:ff:ff:ff:ff

inet 10.160.50.1/28 brd 10.160.50.15 scope global br_TB991_TMN

valid_lft forever preferred_lft forever

inet6 fe80::7859:88ff:fe45:a623/64 scope link

valid_lft forever preferred_lft forever

53: br_TB134_DPU: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet 10.160.62.17/28 brd 10.160.62.31 scope global br_TB134_DPU

valid_lft forever preferred_lft forever

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

54: br_TB260_1_DPU: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet 10.160.66.1/24 brd 10.160.66.255 scope global br_TB260_1_DPU

valid_lft forever preferred_lft forever

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

55: br_TB260_2_DPU: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet 10.160.67.1/24 brd 10.160.67.255 scope global br_TB260_2_DPU

valid_lft forever preferred_lft forever

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

56: br_TB260_3_DPU: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet 10.160.68.1/24 brd 10.160.68.255 scope global br_TB260_3_DPU

valid_lft forever preferred_lft forever

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

57: br_TB260_4_DPU: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet 10.160.69.1/24 brd 10.160.69.255 scope global br_TB260_4_DPU

valid_lft forever preferred_lft forever

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

58: br_TB991_DPU: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet 10.160.60.1/28 brd 10.160.60.15 scope global br_TB991_DPU

valid_lft forever preferred_lft forever

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

59: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default

link/ether 02:42:38:0e:27:5a brd ff:ff:ff:ff:ff:ff

inet 172.17.0.1/16 scope global docker0

valid_lft forever preferred_lft forever

inet6 fe80::42:38ff:fe0e:275a/64 scope link

valid_lft forever preferred_lft forever

user@testbed-router:~$

Immo Wetzel

From: dhcp-users [mailto:[hidden email]] On Behalf Of Patrick Cervicek
Sent: Thursday, January 11, 2018 12:23 AM
To: Users of ISC DHCP
Subject: Re: dhcrelay listen at all ifs but should only on dedicated ifs

It looks like your bridge interface has no IP address

Please provide:
brctl show
ip addr

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Patrick Cervicek

Re: dhcrelay listen at all ifs but should only on dedicated ifs

In reply to this post by IMMO WETZEL

> My start line is
> # dhcrelay -4 -d -iu br_TB104_TMN -id br_TB104_DUT 10.160.50.50
> But dhcrelay is listen on all if´s like I specified nothing specific

Your provided output shows, that br_TB104_TMN has an IP address, but
interface br_TB104_DUT does not. Please configure an IP address for
br_TB104_DUT and try again.

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IMMO WETZEL

Re: dhcrelay listen at all ifs but should only on dedicated ifs

Just checked the mail I sent before. There is an IP on that bridge too

36: br_TB104_DPU: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

link/ether 42:b9:9b:1e:1c:c9 brd ff:ff:ff:ff:ff:ff

inet 10.160.60.49/28 brd 10.160.60.63 scope global br_TB104_DPU

valid_lft forever preferred_lft forever

inet6 fe80::40b9:9bff:fe1e:1cc9/64 scope link

valid_lft forever preferred_lft forever

Sent from Mobile

-------- Original message --------

From: Patrick Cervicek

Date:11/01/2018 17:50 (GMT+01:00)

To: Users of ISC DHCP

Subject: Re: dhcrelay listen at all ifs but should only on dedicated ifs

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IMMO WETZEL

Re: dhcrelay listen at all ifs but should only on dedicated ifs

In reply to this post by Patrick Cervicek

Sorry to confused you... In the first mail I replaced dpu with dut....

So dut=dpu

Sent from Mobile

-------- Original message --------

From: Patrick Cervicek

Date:11/01/2018 17:50 (GMT+01:00)

To: Users of ISC DHCP

Subject: Re: dhcrelay listen at all ifs but should only on dedicated ifs

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Patrick Cervicek

Re: dhcrelay listen at all ifs but should only on dedicated ifs

In reply to this post by IMMO WETZEL

> Just checked the mail I sent before. There is an IP on that bridge too
>
>
> 36: br_TB104_DPU: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue
^^^^^^^^^^^^^

>> My start line is
>> # dhcrelay -4 -d -iu br_TB104_TMN -id br_TB104_DUT 10.160.50.50
^^^^^^^^^^^^^^^

So then you are using a non existent interface in your startline
Plase use br_TB104_DPU, NOT br_TB104_DUT

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Patrick Cervicek

Re: dhcrelay listen at all ifs but should only on dedicated ifs

In reply to this post by IMMO WETZEL

> I´m running dhcrelay 4.3.5
>
> My start line is
> # dhcrelay -4 -d -iu br_TB104_TMN -id br_TB104_DUT 10.160.50.50
> But dhcrelay is listen on all if´s like I specified nothing specific
>

> Listening on LPF/br_TB104_DUT/42:b9:9b:1e:1c:c9
> Sending on LPF/br_TB104_DUT/42:b9:9b:1e:1c:c9

> Listening on LPF/br_TB104_TMN/7a:59:88:45:a6:23
> Sending on LPF/br_TB104_TMN/7a:59:88:45:a6:23
> Listening on LPF/br_TB104_TMN/7a:59:88:45:a6:23
> Sending on LPF/br_TB104_TMN/7a:59:88:45:a6:23

It is confusing to me, that br_TB104_TMN is producing 4 lines, and
br_TB104_DUT is producing 2 lines.

Please start with the corrected startline and provide the output again.

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IMMO WETZEL

RE: dhcrelay listen at all ifs but should only on dedicated ifs

correct start line is and was

dhcrelay -4 -d -iu br_TB104_TMN -id br_TB104_DPU 10.160.50.50

I just tried to hide our product.. ;-)

don't know why we do see it twice

From: dhcp-users [[hidden email]] on behalf of Patrick Cervicek [[hidden email]]
Sent: Thursday, January 11, 2018 18:19
To: Users of ISC DHCP
Subject: Re: dhcrelay listen at all ifs but should only on dedicated ifs

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