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--- linux:networking [2024/02/16 09:40] – [Linux IP Command] bstafford
+++ linux:networking [2026/03/21 01:04] (current) – [Show Network Data] bstafford
@@ Line 2: / Line 2: @@
 [[https://www.cyberciti.biz/faq/linux-ip-command-examples-usage-syntax/|here]]
+===== Show Subnet Data =====
+<code>sudo apt install sipcalc</code>
+<code>sipcalc 192.168.1.0/24 -a</code>
 ===== Show Network Data =====
-Use <code>nmcli device show</code>
+Use [[https://www.tecmint.com/configure-network-connections-using-nmcli-tool-in-linux/|nmcli]] <code>nmcli device show</code>
 or
 <code>#!/bin/bash
@@ Line 10: / Line 13: @@
 INTERFACE=ens34
-echo "           Interface: $INTERFACE"
+echo "         Interface: $INTERFACE"
-ip -4 addr show $INTERFACE | grep inet | awk -F " " '{print "                IPv4: " $2}'
+ip -4 addr show $INTERFACE | grep inet | awk -F " " '{print "              IPv4: " $2}'
-ip route | grep default | awk -F " " '{print "             Gateway: " $3}'
+ip route | grep default | grep "metric 100" | awk -F " " '{print "           Gateway: " $3}'
-resolvectl -i $INTERFACE status --no-pager | awk '/DNS Server/,0'</code>
+resolvectl -i $INTERFACE status --no-pager | awk '/DNS Server/,0'
+nmcli connection show Wired\ connection\ 1 | grep -i dhcp_server_identifier | awk -F " " '{print "       DHCP Server: " $4}'</code>
+Get DHCP Server
+<code>nmcli connection show --active
+nmcli connection show "<active-connection-name>" | grep -i dhcp_server_identifier</code>
 ====== Ubuntu 20.04 Static IP ======
 set the following in ''/etc/netplan/50-static-ip''