http://cs.wikipedia.org/wiki/Simple_Network_Management_Protocol http://www.linuxsoft.cz/article.php?id_article=1963 Známé dohledové systémy Zabbix Nagios Big-Brother Big-Sister sudo apt-get install snmpd # zjisteni ze je spusten ps ax |grep snmp běží na portu udp/161 a doporučuji používat verzi 3 a snmp klient sudo apt-get install snmp snmpwalk # výpis možných OID dotazů snmpwalk -v 2c -c public [hostname] pokud Vám snmpd neposlouchá […]
Rubrika: Cisco
Cisco NAT a Forwarding portu
interface FastEthernet0/0 ip address 213.155.225.1 255.255.255.0 ip nat outside duplex auto speed auto ! interface FastEthernet0/1 ip address 192.168.10.1 255.255.255.0 ip nat inside duplex auto speed auto ip nat inside source list 1 interface FastEthernet0/0 overload ip nat inside source static tcp 192.168.10.2 443 213.155.225.1 443 ip classless ! ! access-list 1 permit 192.168.10.0 0.0.0.255 […]
Cisco DHCP server a DHCP forwarder
Config DHCP server ip dhcp excluded-address 192.168.10.0 192.168.10.100 ip dhcp excluded-address 192.168.20.0 192.168.20.20 ! ip dhcp pool rozsah1 network 192.168.10.0 255.255.255.0 default-router 192.168.10.1 dns-server 192.168.20.2 ip dhcp pool rozsah2 network 192.168.20.0 255.255.255.0 default-router 192.168.20.1 dns-server 192.168.20.2 ! Config DHCP forwarder ! interface GigabitEthernet0/0 ip address 192.168.20.1 255.255.255.0 ip helper-address 192.168.10.1 duplex auto speed auto ! […]
Cisco DHCP server
http://www.cisco.com/c/en/us/td/docs/ios/12_2/ip/configuration/guide/fipr_c/1cfdhcp.html
Cisco ACL
odkaz na web s dokumentaci http://www.cisco.com/c/en/us/support/docs/ip/access-lists/26448-ACLsamples.html ukázka blokování portu 80 a povoleni portu 443 na serveru CISCO ACL.pkt
Cisco ipv6 OSPF routing – basic
a ukázka v CPT zde ipv6ospf-ukazka.pkt Testování stavu linky a ospf routeru # Testovani stavu ospf sh ipv6 route sh ipv6 ospf database sh ipv6 ospf neighbor ping ipv6 adresa debug ipv6 ospf events
Cisco ipv6 basic setting
ukázka konfigurace rozhraní router 0 ena conf t ipv6 unicast-routing int g 0/0 ipv6 address 2031:0000:130f:0000:0000:09c0:080c:0001/110 no shutdown ukázka konfigurace rozhraní router 1 ena conf t ipv6 unicast-routing int g 0/0 ipv6 address 2031:0:130f::09c0:080c:2/110 no shutdown a dále postupujeme podle ospf konfigurace zde
NAT DU 2014
CISCO VLAN trening 1.
# konfigurace switch 0 vtp mode server vtp domain petrg int fa 0/1 switchport mode trunk # vypis statistik VTP modu sh vtp counter sh vtp status # konfigurace switch 1 vtp mode client vtp domain petrg int fa 0/1 switchport mode trunk int fa 0/2 switchport mode trunk # konfigurace switch 2 vtp mode […]
net analyzator
noxrepo openflow sflow netflow …. http://holisticinfosec.blogspot.cz/2013/08/toolsmith-c3cm-part-1-nfsight-with.html NetFlow: installation and configuration of NFDUMP and NfSen on Debian http://afterglow.sourceforge.net/ How to configure Cisco Netflow for Unsupported switches such as Cisco Catalyst 3750 http://www.noxrepo.org/forum/topic/configs-for-tl-wr740n/