doc: Added python-ipaddr dependancy

Added python-ipaddr apt requirement to documentation.
Added clarification to install systemd service section
as commands assume are in frr directory.

Signed-off-by: Will McLendon <wimclend@gmail.com>

diff --git a/doc/Building_FRR_on_Ubuntu1604.md b/doc/Building_FRR_on_Ubuntu1604.md
index b33fb602539cd7041e3e9e01b19db5867fc81269..bdd0a962496f827e4e052b01d5bfe38fcdcee09c 100644 (file)
--- a/doc/Building_FRR_on_Ubuntu1604.md
+++ b/doc/Building_FRR_on_Ubuntu1604.md
@@ -14,7 +14,7 @@ Add packages:
 
     apt-get install git autoconf automake libtool make gawk libreadline-dev \
        texinfo dejagnu pkg-config libpam0g-dev libjson-c-dev bison flex \
-       python-pytest libc-ares-dev python3-dev libsystemd-dev
+       python-pytest libc-ares-dev python3-dev libsystemd-dev python-ipaddr
 
 Get FRR, compile it and install it (from Git)
 ---------------------------------------------
@@ -113,7 +113,7 @@ Add the following lines to `/etc/modules-load.d/modules.conf`:
 **Reboot** or use `sysctl -p` to apply the same config to the running system
 
 
-### Install the systemd service
+### Install the systemd service (if rebooted from last step, change directory back to frr directory)
 
     sudo install -m 644 tools/frr.service /etc/systemd/system/frr.service
     sudo install -m 644 tools/etc/default/frr /etc/default/frr