Magma SSdataserver in SeisSpace - How to Guide
How to use SeisSpace Dataserver to
create Javaseis dataset or dataset in another format
Select dataserver host. Should be
installed from $PROWESS_HOME/etc/install_dataserver
Select project in which javaseis
dataset need to be created. This is not required but makes it easy to create
job as it fulfills many optional parameters for magma jobs automatically.
Virtual Switch System configuration in Cisco 4500x
Both switches should be identical. We tried to create VSS between
Configuration on 4500x
------------------------------
core1
-----
switch virtual domain 10
switch 1
switch 1 priority 200
exit
int po1
switchport
switch virtual link 1
no shutdown
switchport mode trunk
exit
inter range tengigabitethernet 1/31-32
channel-group 1 mode on
exit
switch convert virtual
yes for reload
core2
-----
switch virtual domain 10
switch 2
exit
interface po2
switchport
switch virtual link 2
no shutdown
switchport mode trunk
exit
int range tenGigabitEthernet 1/31-32
channel-group 2 mode on
exit
switch convert mode virtual
yes for reload
-------------------
Network Key Points - My Reference
The main purpose of STP is to prevent switching loops in a network with redundant switched paths.
The purpose of the blocking state is to prevent the use of looped paths. A port in listening state prepares to forward data frames without populating the MAC address table. A port in learning state populates the MAC address table but doesn’t forward data frames. A port in forwarding state sends and receives all data frames on the bridged port. Also, a port in the disabled state is virtually nonoperational.
show spanning-tree, root bridge of each VLAN. show spanning-tree summary command to help you get a quick glimpse of your STP network and root bridges.
PortFast allows a port to transition to the forwarding state immediately upon a connection. Because you don’t want other switches connecting to this port, BPDU Guard will shut down a PortFast port if it receives a BPDU.
(config-if) # spanning-tree portfast , # spanning-tree vlan 5 root primary # spanning-tree bpduguard enable (to avoid loops on portfast enabled ports, bpdugaurd blocks ports if any non host port connect to the port with err-disable error. do shut and no shut)
EtherChannel allows you to bundle links(2-8 ports) to get more bandwidth, instead of allowing STP to shut down redundant ports configure Cisco’s PAgP or the IEEE version, LACP, by creating a port channel interface and assigning the port channel group number to the interfaces you are bundling. show etherchannel port-channel
interface port-channel 1 > interface range ge0/1-2 > channel-group 1 mode active > show ehterchannel port-channel > show etherchannnel summary
dir flash0
copy usbflash0:filename_ios.bin flash:
verify /md5 flash:/file_ios.bin
install win_md5sum to compare the md5 or simply copy it md5 copy file from cisco site along with ios and compare
"
config t
int range g1/0/1 - 24
no shutdown
spanning-tree portfast
config t
int vlan 1
no shutdown
ip address [ip address] [subnet mask]
exit
exit
wr mem
config t
ip route 0.0.0.0 0.0.0.0 [ip address of gateway]
exit
#configuration for telnet
config t
line 0 4
password [password]
login
transport input all
exit
config t
enable password [password]
exit
#password for local console
config t
line con 0
password [password]
login
exit
#configuration for ssh
config t
hostname [hostname]
ip domain-name [domain name]
crypto key generate rsa
2048
ip ssh time-out 120
ip ssh version 2
exit
config t
username qcadmin password qcpass
exit
config t
aaa new-model
exit
#to enable oob
config t
int g0/0
ip address [ip address] 255.255.255.0
no shutdown
exit
Booting from GRUB
