ycit

  I want to tell about simple MPLS packet Flow All core Routers(PE1,PE2,P1,P2) run IGP protocol(ISIS or OSPF) and MPLS LDP. IGP Phase(OSPF): PE2 advertise 20.20.20.0/30 network to OSPF and core routers learn that prefix. LDP Phase: PE2 locate label 20.20.20.0/30 as FEC(forwarding Equivalent Class): 20.20.20.0/30:Label3 and advertised to P2(upstream device). P2 locate label 20.20.20.0/30 as FEC: 20.20.20.0/30: Label300 and advertised to P1(upstream device). P1 locate Label 20.20.20.0/30 as FEC: 20.20.20.0/30: Label200 and advertised to PE1(upstream device). PE1 locate Label 20.20.20.0/30 as FEC:20.20.20.0/30: Label100 and advertised to upstream device(currently not have) 1. Host1 Operation:"ping 20.20.20.2 -Forwarding Lookup based on Destination IP and Out-Interface: IntH1 -TTL handling:TTL is 127 and reduce 126 -Ethernet-Frame: Ethernet Header: Src-MAC:Host1-mac, Dest-MAC:CE1-IntA2-MAC, Ether-Type(0x0800: IPv4) IP Header: src-IP:10.10.10.2, Dest:20...

 Config ========================= flow exporter FE destination 192.168.245.1 export-protocol netflow-v9 option interface-table option interface-table timeout 60 source g0/0 transport udp 2055 template data timeout 60 sampler SM mode random 1 out-of 500 flow monitor FM exporter FE  record netflow-original cache entries 800000 cache timeout active 60 cache timeout inactive 15 int g0/0 ip flow monitor FM sampler SM

 SNMPv2C Config ==================== snmp-server host 192.168.245.1 admin snmp-server community public ro snmp-server community private rw snmp-server enable traps SNMPv3 Config ======================= ip access-list SNMP_ACL permit 192.168.245.0 0.0.0.255 exit snmp-server view SNMP_VIEW iso include snmp-server group SNMP_GP priv v3 priv read SNMP_VIEW access-list SNMP_ACL snmp-server host 192.168.245.1 version 3 priv ycit snmp-server user ycit SNMP_GP v3 auth md5 testing123 priv des testing123 snmp-server enable traps snmp-server inform

Cisco Config Backup   FTP SERVER Username and Password Assign To Switch ================================================= ip ftp username ycit ip ftp password ycit123 Manual Backup to FTP Server =========================== copy startup-config ftp://10.16.10.1/test.txt Auto Backup To FTP Server when Type "write memory command" ========================== archive path ftp://10.16.10.1/test.txt write memory Verify =========================== show archive   #check archived files show archive config differences ftp://10.16.10.1/test.txt ftp://10.16.10.1/test1.txt #compare between two file in ftp server clear archive log config #clear archive log

 SSH CONFIG =========== 1.Create Domain Name for rsa create     (config)#ip domain name ycit.com 2.Generate RSA Key     (config)#crypto key generate rsa modulus 1024 3.Create Virtual Terminal Session (default =5)     (config)#line vty 0 4     (config-line)#transport input ssh     (config-line)#login local 4.Create Username and Password (also enable password)     (config)#username admin secret cisco     (config)#enable secret cisco

 Telnet ^^^^^^           line vty 0 4 transport input telnet password cisco    Troubleshooting     #show users