How to remove a screwed up route?

[Lee Brown]

On Thu, Feb 15, 2018 at 9:47 AM, Scott Ellentuch <tuctboh at gmail.com> wrote:

> Hi,
>
> I did a very foolish thing....
>
> route add -net 61.177.172.137 gw 127.0.0.1
>
>
> 1) Thats not a net, thats a host
> 2) Thats my Linux's syntax, not what I expected
>
> So now I have the following in my netstat -rn
>
> 61.0.0.1&0x7f000001 MY.GW.IP.HERE       UGSc        1        0   fxp0
>
>
> And I don't know the right magic to delete it.
>
> Thanks, Tuc
>
>
> ‌
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What version of FreeBSD?  That command did not work on my 11.1-RELEASE-p6
system.


root at apron:~ # route add -net 1.2.3.4 gw 127.0.0.1
route: bad address: gw


Here's what worked for me.  Just use route del with the same parameters


root at apron:~ # route add -net 1.2.3.4 127.0.0.1
add net 1.2.3.4: gateway 127.0.0.1
root at apron:~ # netstat -nr
Routing tables

Internet:
Destination        Gateway            Flags     Netif Expire
default            10.1.10.1          UGS        bge0
1.2.3.4/32         127.0.0.1          UGS         lo0
10.0.0.0/8         10.1.10.1          UGS        bge0
10.1.10.0/24       link#1             U          bge0
10.1.10.175        link#1             UHS         lo0
127.0.0.1          link#2             UH          lo0

Internet6:
Destination                       Gateway                       Flags
Netif Expire
::/96                             ::1                           UGRS
lo0
::1                               link#2                        UH
lo0
::ffff:0.0.0.0/96                 ::1                           UGRS
lo0
fe80::/10                         ::1                           UGRS
lo0
fe80::%lo0/64                     link#2                        U
lo0
fe80::1%lo0                       link#2                        UHS
lo0
ff02::/16                         ::1                           UGRS
lo0

root at apron:~ # route del -net 1.2.3.4 127.0.0.1
del net 1.2.3.4: gateway 127.0.0.1
root at apron:~ # netstat -nr
Routing tables

Internet:
Destination        Gateway            Flags     Netif Expire
default            10.1.10.1          UGS        bge0
10.0.0.0/8         10.1.10.1          UGS        bge0
10.1.10.0/24       link#1             U          bge0
10.1.10.175        link#1             UHS         lo0
127.0.0.1          link#2             UH          lo0

Internet6:
Destination                       Gateway                       Flags
Netif Expire
::/96                             ::1                           UGRS
lo0
::1                               link#2                        UH
lo0
::ffff:0.0.0.0/96                 ::1                           UGRS
lo0
fe80::/10                         ::1                           UGRS
lo0
fe80::%lo0/64                     link#2                        U
lo0
fe80::1%lo0                       link#2                        UHS
lo0
ff02::/16                         ::1                           UGRS
lo0
root at apron:~ # uname -a
FreeBSD apron.ad.nyingma.org 11.1-RELEASE-p6 FreeBSD 11.1-RELEASE-p6 #0
r328506M: Sat Jan 27 23:09:57 PST 2018
root at apron.ad.nyingma.org:/usr/obj/usr/src/sys/GENERIC
amd64