2950:
standard ios supports up to 64 vlans, able to use vlan id from 1 – 4094.
Enhanced image supports up to 250 vlans, able to use vlan id from 1 – 4094
2960:
Maximum up to 255 vlans, able to use vlan id from 1 – 4094
Lan lite supports up to 64 vlans, [...]
3 way handshake
Posted by fanie on Friday, March 29, 2013
The best 3 way handshake illustration :
source : http://jvmblog.tistory.com/1 [...]
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Privilege Router Switch Mode
Posted by fanie on Saturday, March 23, 2013
Router> (this is user exec mode -> privilege 1)
Router# (this is enable exec mode -> privilege 15)
Router(conf) (this is global config)
Show history (show all commands that we have typed before)
The history size is up to 256 buffer
command [...]
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HSRP version Multicast Switch Settings
Posted by fanie on Saturday, January 26, 2013
To setting hsrp is something like this :
int fa0/0
ip add 34.34.115.1 255.255.255.0
standby 0 ip 34.34.115.8
to know the multicast ip and port used by the system, use this :
debug ip packet detail
*Mar 1 00:54:07.423: IP: s=34.34.115.8 (local), [...]
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Auto RP Multicast Router Settings
Posted by fanie
Finding auto-rp multicast port number, without memorizing the numbers
sh ip mroute
Outgoing interface flags: H - Hardware switched, A - Assert winner Timers: Uptime/Expires Interface state: Interface, Next-Hop or VCD, State/Mode(*, 224.0.1.39), [...]
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IP DHCP Snooping Switch Settings
Posted by fanie on Sunday, January 20, 2013
Ip dhcp snooping
DHCP Snooping to stop rogue DHCP servers. Only allow dhcp messages from "trusted" ports
ip dhcp snooping trust -> to the dhcp server
ip dchp snooping vlan 100 -> inspect dhcp messages in vlan 100
ip dhcp snooping binding abcd.abcd.abcd [...]
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Syslog Priority Router Settings
Posted by fanie on Thursday, January 17, 2013
Syslog Priority (highest to lowest):0. Emergency (highest)1. Alert2. Critical3. Error4. Warning5. Notice6. Informational7. Debug (lowest)
Quick tips to Remember :
Eat Asian Cuisine Early With Ninja In [...]
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