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Bug 1399057

Summary:	Not able to specify src IP when adding static routes using nmcli
Product:	Red Hat Enterprise Linux 7	Reporter:	Fani Orestiadou <forestia>
Component:	NetworkManager	Assignee:	sushil kulkarni <sukulkar>
Status:	CLOSED DUPLICATE	QA Contact:	Desktop QE <desktop-qa-list>
Severity:	medium	Docs Contact:
Priority:	unspecified
Version:	7.2	CC:	atragler, bgalvani, fgiudici, lrintel, rkhan, sukulkar, thaller
Target Milestone:	rc
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2016-11-28 09:58:22 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Fani Orestiadou 2016-11-28 07:59:11 UTC

Description of problem:
There is no command to specify a src IP when you try to add static routes via nmcli, in comparison with ip route commands. 

Version-Release number of selected component (if applicable):
All versions

In customer's environment:
NetworkManager-1.0.6-29.el7_2.x86_64
3.10.0-327.18.2.el7.x86_64

How reproducible:

 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| Example with ip route commands |
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         172.25.0.1      0.0.0.0         UG    100    0        0 eno16780032
169.254.105.0   0.0.0.0         255.255.255.0   U     100    0        0 eno33559296
172.25.0.0      0.0.0.0         255.255.254.0   U     100    0        0 eno16780032

# ip route add 169.254.248.0/21 via 169.254.105.254 dev eno33559296 src 169.254.105.14
[root@camel ~]# ip route
default via 172.25.0.1 dev eno16780032  proto static  metric 100
169.254.105.0/24 dev eno33559296  proto kernel  scope link  src 169.254.105.14  metric 100
169.254.248.0/21 via 169.254.105.254 dev eno33559296  src 169.254.105.14
                                                        ^^^^^
172.25.0.0/23 dev eno16780032  proto kernel  scope link  src 172.25.1.155  metric 100

# ping c301bckrab
PING c301bckrab (169.254.251.5) 56(84) bytes of data.
64 bytes from c301bckrab (169.254.251.5): icmp_seq=1 ttl=127 time=0.224 ms
64 bytes from c301bckrab (169.254.251.5): icmp_seq=2 ttl=127 time=0.266 ms
64 bytes from c301bckrab (169.254.251.5): icmp_seq=3 ttl=127 time=0.316 ms
64 bytes from c301bckrab (169.254.251.5): icmp_seq=4 ttl=127 time=0.286 ms
64 bytes from c301bckrab (169.254.251.5): icmp_seq=5 ttl=127 time=0.283 ms
64 bytes from c301bckrab (169.254.251.5): icmp_seq=6 ttl=127 time=0.260 ms
64 bytes from c301bckrab (169.254.251.5): icmp_seq=7 ttl=127 time=0.261 ms
^C
--- c301bckrab ping statistics ---
7 packets transmitted, 7 received, 0% packet loss, time 6000ms
rtt min/avg/max/mdev = 0.224/0.270/0.316/0.034 ms

 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| Example with nmcli commands |
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~

# nmcli connection modify bck +ipv4.routes "169.254.248.0/21 169.254.105.254"


[root@camel ~]# nmcli connection up bck
Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/2)
[root@camel ~]# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         172.25.0.1      0.0.0.0         UG    100    0        0 eno16780032
169.254.105.0   0.0.0.0         255.255.255.0   U     100    0        0 eno33559296
169.254.248.0   169.254.105.254 255.255.248.0   UG    100    0        0 eno33559296
172.25.0.0      0.0.0.0         255.255.254.0   U     100    0        0 eno16780032

[root@camel ~]# ip route
default via 172.25.0.1 dev eno16780032  proto static  metric 100
169.254.105.0/24 dev eno33559296  proto kernel  scope link  src 169.254.105.14  metric 100
169.254.248.0/21 via 169.254.105.254 dev eno33559296  proto static  metric 100
172.25.0.0/23 dev eno16780032  proto kernel  scope link  src 172.25.1.155  metric 100

[root@camel ~]# ping c301bckrab
PING c301bckrab (169.254.251.5) 56(84) bytes of data.
^C
--- c301bckrab ping statistics ---
5 packets transmitted, 0 received, 100% packet loss, time 3999ms


From tcpdumps, when the src IP is not specified, there not even ICMP requests going out of the interface.

Actual results: Without specifying the src IP in the static route, hosts from reaching network are not pinging.


Expected results: Would be nice to have that feature in nmcli commands.


Additional info: Let me know in case you need any addition info.

Thank you

Comment 1 Thomas Haller 2016-11-28 09:58:22 UTC

This is a missing feature. Closing as DUPLICATE.

Please reopen if you disagree this to be a duplicate.
Or better: if you have anything to add, let's discuss it over at bug 1373698.


Thanks.

*** This bug has been marked as a duplicate of bug 1373698 ***

Comment 2 Fani Orestiadou 2016-11-28 10:08:26 UTC

Hello, 

Sorry, it seems i missed the already opened bug. 
Thank you for info.

Have a nice day.