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Ways to slove of switch VRRP problem

3 Ways to slove of switch VRRP problem, 1, fault phenomenon: the morning of June 5th, the entire core network failure,affect the company almost all systems.

PRLog - Jan. 21, 2014 - ADMIRALTY, Hong Kong -- Ways to slove of switch VRRP problem

1, fault phenomenon:
the morning of June 5th, the entire core network failure,affect the company almost all systems.

2, temporary treatment: through the examination of the core switch log, foundthe core switches do not contact the main core switches, the virtual address toexchange main preemptive VRRP, resulting in line fault all VRRP VLAN. Forfast recovery business system, decided to temporarily shut down thepreparation of core switch

3, analysis of the phenomenon: VRRP two switches to the virtual IP address isthe broadcast storm caused by two reasons 1, heart line or port fault 2,standby switch equipment under the loop resulted from

4, find the reason:

Open equipment core switches, once again pulled out after all.

Using the serial line connected switches, run disp Inter, port Input message,found that G1/0/4 broadcast packets in particular

G1/0/4 below the floor 8 floor of the switch are respectively, reset

Co inter under clear port statistics, and then run disp Inter, each port Input message view each switch, found that twenty-second portbroadcast

Package special. 22 corresponds to a switch in the conference room, found twointerface a cable received the switch on the formation of a loop.

http://www.3anetwork.com/cisco-ws-c2960s-48td-l-price_p11... : Cisco switch WS-C2960S-48TD-L price

More information about the Cisco switch and router, please visit: http://www.3anetwork.com/blog/

kingwei network

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Location:Admiralty - Hong Kong Island - Hong Kong
Industry:Electronics, Technology
Tags:WS-C2960S-48TD-L, cisco switch
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