Diff for "Tech/Switch"

Differences between revisions 4 and 5

Config switch port

# ssh -l admin ca-6op290-3-swi-1
ca-6op290-3-swi-1>enable
Password: 
ca-6op290-3-swi-1#
ca-6op290-3-swi-1# show running-config
ca-6op290-3-swi-1# show config
ca-6op290-3-swi-1# show vlan

ca-6op290-3-swi-1# config terminal
ca-6op290-3-swi-1(config)# interface GigabitEthernet1/9
ca-6op290-3-swi-1(config-if)# description private network
ca-6op290-3-swi-1(config-if)# switchport access vlan 617
ca-6op290-3-swi-1(config-if)# switchport trunk native vlan 617
ca-6op290-3-swi-1(config-if)# switchport trunk allowed vlan 617,671-680
ca-6op290-3-swi-1(config-if)# switchport mode trunk
ca-6op290-3-swi-1(config-if)# end
ca-6op290-3-swi-1# show running-config
ca-6op290-3-swi-1# copy running-config startup-config
// or
ca-6op290-3-swi-1# write

Add Vlan

# vlan database
# vlan id 617
# end
# show vlan

Slow DHCP issue

It takes over 30 seconds to request the new IP for a dhcp client. Add following switch port config

spanning-tree portfast [trunk]

-  ⇤ ← Revision 4 as of 2013-07-26 19:19:55 → 
  Size: 832
  Editor: frank
  Comment:
+   ← Revision 5 as of 2013-07-27 22:57:28 → ⇥
  Size: 1083
  Editor: anna
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 26:
+=== Add Vlan ===
{{{
# vlan database
# vlan id 617
# end
# show vlan
}}}

=== Slow DHCP issue ===
It takes over 30 seconds to request the new IP for a dhcp client. Add following switch port config
{{{
spanning-tree portfast [trunk]
}}}