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Connect cisco switch and linux server for kvm virtualization
We need bridge (brX) interface(s) for linux kvm virtualization. EXAMPLE FOR 3 VLAN-S VLAN-s must be defined on Cisco switch VLAN 10 – IT vlan VLAN 20 – DMZ vlan VLAN 30 – guest vlan Define vlan without ip (L2 switch): switch# conf t switch(config)# vlan 10 switch(config-vlan)# name vlan-it switch(config-vlan)# end switch# write Define…
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Replace stack member
SCENARIO: Two Cisco 3750 series switches in stack. Master C3750G-48TS Slave C3750-24TS GOAL: Replace slave switch (C3750-24TS) with another slave C3750G-48TS switch witch has the same version of IOS as master switch. In the end we have 2 equal switches in rack. More interfaces and faster speed on second switch. HOW TO DO IT: 1.…
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Cisco vtp updating problems
It could be as simple as forget to setup a password. đŸ™‚ If you setup a vtp password on cisco server switch then you must setup a password on client switch to. Check if password is configured for vtp: # show vtp password Setup vtp password on switch: sw(config)# vtp password … Now vtp updating…
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Cisco PIX …
hardware: Cisco PIX 515E with 6.3.x version of OS Backup PIX configuration to tftp server login enable write net xxx.yyy.zzz.www:pix-conf-date.conf xxx.yyy.zzz.www – tftp IP address pix-conf-date.conf – configuration file name Upgrade PIX OS from tftp login enable copy tftp flash <— upgrade OS reload <— restart PIX Configure NTP server login enable conf t ntp…