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we can use higher speed links > for example increasing the 1 Gigabit Ethernet to 10 Gigabit Ethernet >> banwidth increase << but this Solution Cost too muchthe Other Solution Would be Multiple Links between 2 switchs but it wont work cuz if we deploy more than one link > then there gonna be loop >> causing the STP to workbinding more than one physical link into one logical link > leaving only one link forwarding data btw switchsmeaning if we want to use multiple link carrying data we should deploy a feature called link aggregation
link aggreagation provides for increased bandwidth , enhanced reliability and supp of load balancing
Application is made at critical points to enhance throughPutswitchs that rreally we cannnot afford connection to be lost in btw + increase bandwidth
in Manuall mode all links load balance and are forwarding
LACP mode supp backup links for redundancy
data flow sequence must be maintained over members linksConsistency of physical member interfaces must be maintained
[SW]>interface Eth-Trunk 1 (create logical interface)[SW-Eth-TRunk]>interface GigabitEthernet0/0/1 (put physical interface inside)[SW-GigabitEthernet0/0/1]>eth-trunk 1[SW-GigabitEthernet0/0/1]>interface GigabitEthernet0/0/2[SW-GigabitEthernet0/0/2]>eth-trunk 1
[RT]>interface Eth-trunk 1 (create logical interface)[RT-Eth-TRunk]>undo port switch (cuz config is L2 by default and for that we need to disable portswitch > enb L3)[RT-Eth-TRunk]>ip address 100.1.1.1 24[RT-Eth-TRunk]>quit[RT]>interface GogabitEthernet 0/0/1 (put physical interface inside)[RT-GigabitEthernet0/0/1]>eth-trunk 1[RT-GigabitEthernet0/0/1]>quit[RT]>interface GigabitEthernet0/0/2[RT-GigabitEthernet0/0/2]>eth-trunk 1[RT-GigabitEthernet0/0/2]>quit
display omterface eth-trunk 1
PVID represents the default VLAN for each interfaceThe PVID is set to VLAN 1 for all ports by default
Access portd trmove VLAN tags before forwarding frameswith exception when frame is a BPDU frame
frames carried over a trunk link may be tagged or untaggedAll VLANs must be permitted before being carried over a trunk
Hybrid ports are defined as either tagged or untaggedVLAN communications can be managed on a port by port basis
[SW]>vlan 10[SW-vlan10]>quit[SW]>vlan batch 2 to 3 (create multiple)Check[SW]>display vlan
[SW]>interface GigabitEthernet 0/0/1[SW-GigabitEthernet 0/0/1]>port link-type trunk[SW-GigabitEthernet 0/0/1]>quit[SW]>interface GigabitEthernet 0/0/5[SW-GigabitEthernet 0/0/5]>port link-type acess
[SW]>vlan 2[SW-vlan2]>port GigabitEthernet 0/0/7[SW-vlan2]>quitnext and prev configs are equal to confic access interface[SW]>interface Gigabit Ethernet 0/0/5[SW-GigabitEthernet0/0/5]>port link-type access[SW-GigabitEthernet 0/0/5]>port default vlan 3Verfying[SW]>display vlan
[SW-GigabitEthernet0/0/1]>port link-type trunk[SW-GigabitEthernet0/0/1]>port trunk pvid vlan 10 (when sending the frane out > if the frame belongs to vlan 10 then no tag is added same thinf for reciving)[SW-GigabitEthernet0/0/1]>port trunk allow pass vlan 2 3
[SW-GigabitEthernet0/0/5]>port link-type hybrid[SW-GigabitEthernet0/0/5]>port hybrid pvid vlan 3[SW-GigabitEthernet0/0/5]>port hybrid untagged vlan 3[SW-GigabitEthernet0/0/7]>port link-type hybrid[SW-GigabitEthernet0/0/7]>port hybrid pvid vlan 2[SW-GigabitEthernet0/0/7]>port hyybrid untagged vlan 2Trunk Links using the hybrid port link-type must enable tagging of VLAN frames before forwarding[SW-GigabitEthernet0/0/1]>port link-type hybrid[SW-GigabitEthernet0/0/1]>port hybrid tagged vlan 2 3Hybrid ports can be configured to recv VLAN traffic from multiple VLANs by simply removing the tag at the port interface[SW-GigabitEthernet0/0/4]>port link-type hybrid[SW-GigabitEthernet0/0/4]>port hybrid pvid vlan 3[SW-GigabitEthernet0/0/4]>port hybrid untagged vlan 2 to 3
Voice VLANs are used to destinguish isolate and prioritize voice traffic over service traffic as means of quality assureanceFrames Belong to the Voice VLAN have higher priority value usually used to caru VOIP Traffic higher Qs control
[SW]>vlan 2[SW-vlan2]>interface GigabitEthernet 0/0/1[SW-GigabitEthernet0/0/1]>voice-vlan 2 enable[SW-GigabitEthernet0/0/1]>voice vlan mode auto[SW-GigabitEthernet0/0/1]>quit[SW]>voice-vlan mac-address 0011-2200-0000 mask ffff-ff00-00001st 3 bytes of the Mac address 0011-22 > is the VOIP IP phoneCheckdisplay voice-vlan status