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Size: 1083
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Size: 1148
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
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| It takes over 30 seconds to request the new IP for a dhcp client. Add following switch port config | It takes over 30 seconds to request the new IP from DHCP server. Add following switch port config |
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| Then it takes about 10 seconds to renew the IP from DHCP server. |
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 from DHCP server. Add following switch port config
spanning-tree portfast [trunk]
Then it takes about 10 seconds to renew the IP from DHCP server.