Cisco DHCP on Vlans: Unterschied zwischen den Versionen

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Zeile 4: Zeile 4:
 
interface Vlan1
 
interface Vlan1
 
  ip address 192.168.240.154 255.255.248.0
 
  ip address 192.168.240.154 255.255.248.0
 +
!       
 +
interface Vlan10
 +
ip address 192.168.10.1 255.255.255.0
 
!         
 
!         
 
interface Vlan20
 
interface Vlan20
Zeile 11: Zeile 14:
 
  ip address 192.168.30.1 255.255.255.0
 
  ip address 192.168.30.1 255.255.255.0
 
!         
 
!         
−
interface Vlan40
 
−
ip address 192.168.40.1 255.255.255.0
 
−
! 
 
 
</pre>
 
</pre>
 +
 
=DHCP Pools anlegen=
 
=DHCP Pools anlegen=
 
*switch-gelb#configure terminal  
 
*switch-gelb#configure terminal  
Zeile 23: Zeile 24:
 
*switch-gelb(config)#ip dhcp excluded-address 192.168.40.1 192.168.40.50
 
*switch-gelb(config)#ip dhcp excluded-address 192.168.40.1 192.168.40.50
 
==DHCP konfiguren==
 
==DHCP konfiguren==
−
*switch-gelb(config)#ip dhcp pool dpool20
+
*switch-gelb(config)#ip dhcp pool dpool10
 +
*switch-gelb(dhcp-config)#network 192.168.10.0 255.255.255.0
 +
*switch-gelb(dhcp-config)#default-router 192.168.10.1
 +
*switch-gelb(dhcp-config)#dns-server 192.168.240.200
 +
*switch-gelb(dhcp-config)#domain-name office.xinux.org
 +
*switch-gelb(dhcp-config)#ip dhcp pool dpool20
 
*switch-gelb(dhcp-config)#network 192.168.20.0 255.255.255.0
 
*switch-gelb(dhcp-config)#network 192.168.20.0 255.255.255.0
 
*switch-gelb(dhcp-config)#default-router 192.168.20.1
 
*switch-gelb(dhcp-config)#default-router 192.168.20.1
 
*switch-gelb(dhcp-config)#dns-server 192.168.240.200
 
*switch-gelb(dhcp-config)#dns-server 192.168.240.200
−
*switch-gelb(dhcp-config)#work.xinux.org
+
*switch-gelb(dhcp-config)#domain-name work.xinux.org
−
*switch-gelb(dhcp-config)#ip dhcp pool dpool30
+
*switch-gelb(dhcp-config)#ip dhcp pool dpool30  
 
*switch-gelb(dhcp-config)#network 192.168.30.0 255.255.255.0
 
*switch-gelb(dhcp-config)#network 192.168.30.0 255.255.255.0
−
*switch-gelb(dhcp-config)#default-router 192.168.30.1
+
*switch-gelb(dhcp-config)#default-router 192.168.30.1  
−
*switch-gelb(dhcp-config)#dns-server 192.168.240.200
 
−
*switch-gelb(dhcp-config)#office.xinux.org
 
−
*switch-gelb(dhcp-config)#ip dhcp pool dpool40
 
−
*switch-gelb(dhcp-config)#network 192.168.40.0 255.255.255.0
 
−
*switch-gelb(dhcp-config)#default-router 192.168.40.1  
 
 
*switch-gelb(dhcp-config)#dns-server 192.168.240.200  
 
*switch-gelb(dhcp-config)#dns-server 192.168.240.200  
 
*switch-gelb(dhcp-config)#domain-name labor.xinux.org
 
*switch-gelb(dhcp-config)#domain-name labor.xinux.org
 +
 +
=Dhcp in der Running Konfig=
 +
*switch-gelb#show running-config 
 +
<pre>
 +
...
 +
ip dhcp pool dpool10
 +
  network 192.168.10.0 255.255.255.0
 +
  default-router 192.168.10.1
 +
  domain-name office.xinux.org
 +
  dns-server 192.168.240.200
 +
!
 +
ip dhcp pool dpool20
 +
  network 192.168.20.0 255.255.255.0
 +
  default-router 192.168.20.1
 +
  dns-server 192.168.240.200
 +
  domain-name work.xinux.org
 +
!
 +
ip dhcp pool dpool30
 +
  network 192.168.30.0 255.255.255.0
 +
  default-router 192.168.30.1
 +
  dns-server 192.168.240.200
 +
  domain-name labor.xinux.org
 +
!
 +
...
 +
</pre>
 +
 
=Dhcp Pools anzeigen=
 
=Dhcp Pools anzeigen=
 
*switch-gelb#show ip dhcp pool  
 
*switch-gelb#show ip dhcp pool  
 
<pre>
 
<pre>
−
Pool dpool20 :
+
 
 +
Pool dpool10 :
 
  Utilization mark (high/low)    : 100 / 0
 
  Utilization mark (high/low)    : 100 / 0
 
  Subnet size (first/next)      : 0 / 0  
 
  Subnet size (first/next)      : 0 / 0  
 
  Total addresses                : 254
 
  Total addresses                : 254
−
  Leased addresses              : 2
+
  Leased addresses              : 0
−
  Excluded addresses            : 50
+
  Excluded addresses            : 0
 
  Pending event                  : none
 
  Pending event                  : none
 
  1 subnet is currently in the pool :
 
  1 subnet is currently in the pool :
 
  Current index        IP address range                    Leased/Excluded/Total
 
  Current index        IP address range                    Leased/Excluded/Total
−
  192.168.20.53        192.168.20.1    - 192.168.20.254    2     / 50    / 254   
+
  192.168.10.1        192.168.10.1    - 192.168.10.254    0     / 0    / 254   
  
−
Pool dpool30 :
+
Pool dpool20 :
 
  Utilization mark (high/low)    : 100 / 0
 
  Utilization mark (high/low)    : 100 / 0
 
  Subnet size (first/next)      : 0 / 0  
 
  Subnet size (first/next)      : 0 / 0  
 
  Total addresses                : 254
 
  Total addresses                : 254
−
  Leased addresses              : 0
+
  Leased addresses              : 2
 
  Excluded addresses            : 50
 
  Excluded addresses            : 50
 
  Pending event                  : none
 
  Pending event                  : none
 
  1 subnet is currently in the pool :
 
  1 subnet is currently in the pool :
 
  Current index        IP address range                    Leased/Excluded/Total
 
  Current index        IP address range                    Leased/Excluded/Total
−
  192.168.30.1        192.168.30.1    - 192.168.30.254    0     / 50    / 254   
+
  192.168.20.53        192.168.20.1    - 192.168.20.254    2     / 50    / 254   
  
−
Pool dpool40 :
+
Pool dpool30 :
 
  Utilization mark (high/low)    : 100 / 0
 
  Utilization mark (high/low)    : 100 / 0
 
  Subnet size (first/next)      : 0 / 0  
 
  Subnet size (first/next)      : 0 / 0  
 
  Total addresses                : 254
 
  Total addresses                : 254
−
  Leased addresses              : 0
+
  Leased addresses              : 2
 
  Excluded addresses            : 50
 
  Excluded addresses            : 50
 
  Pending event                  : none
 
  Pending event                  : none
 
  1 subnet is currently in the pool :
 
  1 subnet is currently in the pool :
 
  Current index        IP address range                    Leased/Excluded/Total
 
  Current index        IP address range                    Leased/Excluded/Total
−
  192.168.40.1        192.168.40.1    - 192.168.40.254    0     / 50    / 254   
+
  192.168.30.53        192.168.30.1    - 192.168.30.254    2     / 50    / 254   
 +
 
 
</pre>
 
</pre>
 +
 
=Leases anzeigen=
 
=Leases anzeigen=
 
*switch-gelb#show ip dhcp binding  
 
*switch-gelb#show ip dhcp binding  
Zeile 84: Zeile 114:
 
192.168.20.52      0001.2e34.b06a          Feb 02 2016 11:54 AM    Automatic
 
192.168.20.52      0001.2e34.b06a          Feb 02 2016 11:54 AM    Automatic
 
</pre>
 
</pre>
 +
 +
=Server Statistiken=
 +
*switch-gelb#show ip dhcp server statistics
 +
<pre>
 +
Memory usage        19247
 +
Address pools        3
 +
Database agents      0
 +
Automatic bindings  2
 +
Manual bindings      0
 +
Expired bindings    0
 +
Malformed messages  0
 +
Secure arp entries  0
 +
Renew messages      1
 +
 +
Message              Received
 +
BOOTREQUEST          0
 +
DHCPDISCOVER        6
 +
DHCPREQUEST          8
 +
DHCPDECLINE          0
 +
DHCPRELEASE          0
 +
DHCPINFORM          0
 +
 +
Message              Sent
 +
BOOTREPLY            0
 +
DHCPOFFER            5
 +
DHCPACK              5
 +
DHCPNAK              2
 +
</pre>
 +
=Hardwareadresse reservieren(überarbeiten)=
 +
*switch-gelb#configure terminal
 +
Enter configuration commands, one per line.  End with CNTL/Z.
 +
*switch-gelb(config)#ip dhcp pool dpool10
 +
*switch-gelb(dhcp-config)#address 192.168.10.76 hardware-address 60EB69962DA5

Aktuelle Version vom 1. Februar 2016, 14:00 Uhr

Anzeige Vlan Interfaces mit IP

  • switch-gelb#show running-config
interface Vlan1
 ip address 192.168.240.154 255.255.248.0
!         
interface Vlan10
 ip address 192.168.10.1 255.255.255.0
!         
interface Vlan20
 ip address 192.168.20.1 255.255.255.0
!         
interface Vlan30
 ip address 192.168.30.1 255.255.255.0
!

DHCP Pools anlegen

  • switch-gelb#configure terminal

Enter configuration commands, one per line. End with CNTL/Z.

Adressen rausnehmen

  • switch-gelb(config)#ip dhcp excluded-address 192.168.20.1 192.168.20.50
  • switch-gelb(config)#ip dhcp excluded-address 192.168.30.1 192.168.30.50
  • switch-gelb(config)#ip dhcp excluded-address 192.168.40.1 192.168.40.50

DHCP konfiguren

  • switch-gelb(config)#ip dhcp pool dpool10
  • switch-gelb(dhcp-config)#network 192.168.10.0 255.255.255.0
  • switch-gelb(dhcp-config)#default-router 192.168.10.1
  • switch-gelb(dhcp-config)#dns-server 192.168.240.200
  • switch-gelb(dhcp-config)#domain-name office.xinux.org
  • switch-gelb(dhcp-config)#ip dhcp pool dpool20
  • switch-gelb(dhcp-config)#network 192.168.20.0 255.255.255.0
  • switch-gelb(dhcp-config)#default-router 192.168.20.1
  • switch-gelb(dhcp-config)#dns-server 192.168.240.200
  • switch-gelb(dhcp-config)#domain-name work.xinux.org
  • switch-gelb(dhcp-config)#ip dhcp pool dpool30
  • switch-gelb(dhcp-config)#network 192.168.30.0 255.255.255.0
  • switch-gelb(dhcp-config)#default-router 192.168.30.1
  • switch-gelb(dhcp-config)#dns-server 192.168.240.200
  • switch-gelb(dhcp-config)#domain-name labor.xinux.org

Dhcp in der Running Konfig

  • switch-gelb#show running-config
...
ip dhcp pool dpool10
   network 192.168.10.0 255.255.255.0
   default-router 192.168.10.1 
   domain-name office.xinux.org
   dns-server 192.168.240.200 
!
ip dhcp pool dpool20
   network 192.168.20.0 255.255.255.0
   default-router 192.168.20.1 
   dns-server 192.168.240.200 
   domain-name work.xinux.org
!
ip dhcp pool dpool30
   network 192.168.30.0 255.255.255.0
   default-router 192.168.30.1 
   dns-server 192.168.240.200 
   domain-name labor.xinux.org
!
...

Dhcp Pools anzeigen

  • switch-gelb#show ip dhcp pool

Pool dpool10 :
 Utilization mark (high/low)    : 100 / 0
 Subnet size (first/next)       : 0 / 0 
 Total addresses                : 254
 Leased addresses               : 0
 Excluded addresses             : 0
 Pending event                  : none
 1 subnet is currently in the pool :
 Current index        IP address range                    Leased/Excluded/Total
 192.168.10.1         192.168.10.1     - 192.168.10.254    0     / 0     / 254  

Pool dpool20 :
 Utilization mark (high/low)    : 100 / 0
 Subnet size (first/next)       : 0 / 0 
 Total addresses                : 254
 Leased addresses               : 2
 Excluded addresses             : 50
 Pending event                  : none
 1 subnet is currently in the pool :
 Current index        IP address range                    Leased/Excluded/Total
 192.168.20.53        192.168.20.1     - 192.168.20.254    2     / 50    / 254  

Pool dpool30 :
 Utilization mark (high/low)    : 100 / 0
 Subnet size (first/next)       : 0 / 0 
 Total addresses                : 254
 Leased addresses               : 2
 Excluded addresses             : 50
 Pending event                  : none
 1 subnet is currently in the pool :
 Current index        IP address range                    Leased/Excluded/Total
 192.168.30.53        192.168.30.1     - 192.168.30.254    2     / 50    / 254

Leases anzeigen

  • switch-gelb#show ip dhcp binding
Bindings from all pools not associated with VRF:
IP address          Client-ID/	 	    Lease expiration        Type
		    Hardware address/
		    User name
192.168.20.51       0160.eb69.962d.a5       Feb 02 2016 11:56 AM    Automatic
192.168.20.52       0001.2e34.b06a          Feb 02 2016 11:54 AM    Automatic

Server Statistiken

  • switch-gelb#show ip dhcp server statistics
Memory usage         19247
Address pools        3
Database agents      0
Automatic bindings   2
Manual bindings      0
Expired bindings     0
Malformed messages   0
Secure arp entries   0
Renew messages       1

Message              Received
BOOTREQUEST          0
DHCPDISCOVER         6
DHCPREQUEST          8
DHCPDECLINE          0
DHCPRELEASE          0
DHCPINFORM           0

Message              Sent
BOOTREPLY            0
DHCPOFFER            5
DHCPACK              5
DHCPNAK              2

Hardwareadresse reservieren(überarbeiten)

  • switch-gelb#configure terminal
Enter configuration commands, one per line.  End with CNTL/Z.
  • switch-gelb(config)#ip dhcp pool dpool10
  • switch-gelb(dhcp-config)#address 192.168.10.76 hardware-address 60EB69962DA5
Abgerufen von „http://wiki.ixheim.de/index.php?title=Cisco_DHCP_on_Vlans&oldid=8065“