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Resolved! VLAN - Q-IN-Q

Dears I need do my headquarters (Site A) comunicate to site B and and Site C (Costumers) how can you see at topology below.Please show me a sample configuration that I do this:I trie follow this, but not works:http://packetlife.net/blog/2010/jul/12/i...

A 88x router is connected to a CMTS modem and gets an IP adres through DHCP.From time to time a DHCP lease renewal fails at T1 or T2 (or sometimes both).The reason for failure is probably the ISP DHCP server but is not important for this story.The Ci...

Hi,I currently have one interface which get its ip address via the DHCP and under the interface the cmd is ip address DHCP setroute.In which case when setting up isp failover the procedures requires the command "route outside 0.0.0.0 0.0.0.0 XXX.XXX....

What is the command to see the culmlative cost to a root bridge?I thought the info would be Switch#sh span int fa0/11 detPort 11 (FastEthernet0/11) of VLAN0001 is designated forwarding   Port path cost 19, Port priority 128, Port Identifier 128.11.  ...

Hi everybodyPlease consider the following example:R1--area 0--R2R1 has loopback addresses:interface Loopback1 ip address 10.1.1.1 255.255.255.0 ip ospf network point-to-point!interface Loopback2 ip address 10.1.2.2 255.255.255.0 ip ospf network point...

sarahr202 by Level 5
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  • 2 replies
  • 0 Helpful votes

we have vrf-lite with static routes for route leaking . works fine.  obviously for every network/server access from global to VRF, i had to add a seperate static route. administering this is a big issue. I also have a requirement to build another VRF...

sblavanya by Level 1
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  • 2 replies
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Are there any issues using admin / default vdc for aggregation layer ? I have allocated a VDC for core layer, and plan to use the 2 remaining VDC's for future use.. Didnt want to use a VDC seperate for admin.. Do you see any issues with this design?

sblavanya by Level 1
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  • 2 replies
  • 0 Helpful votes

Hi,when i create vlan on this switch, it has delay to ping the virtual interface. and IP routing also doesnot work properly on this switch, i suspect IOS image problem, can some one suggest which IOS version would be great for this switch.current swi...

Hi,I have enabled DHCP snopping on my layer 3 and layer 2 switch.But his message comes on my layer 3 switch.Oct  9 09:28:00.022 MST: %SW_DAI-4-DHCP_SNOOPING_DENY: 1 Invalid ARPs (Req) on Gi0/1, vlan 10.([0009.e8a2.0080/192.168.10.2/0000.0000.0000/136...

mahesh18 by Level 6
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  • 29 replies
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I have read several articles and all tell me that an 871 with advanced IP IOS supports min 4 vlans.  I only want to use 3 for right now.  I have IOS 12.4(15) with advanced IP.  I want to connect to the Fa0 of the 871 to the Fa0/1 of a 2950 which alre...

Resolved! VTP queries

Hi allI have these questions regarding VTP:1. If I connect a new switch (with factory default) to an existing switch having a domain name , Test,  will the new switch become a member of domain Test or not?2. Does changing of domain name have any effe...

mukundh86 by Level 1
  • 1105 Views
  • 4 replies
  • 0 Helpful votes

Hi all,I have set up service policies on the VLAN  in both input and output directions. I see hits in the output direction but not in the input one. Any reasons as to why this is hapenning?sh policy-map interface vlan 10 Vlan10   Service-policy input...

mukundh86 by Level 1
  • 717 Views
  • 0 replies
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Hi,i am using cisco 2821 as   a edge  Router in my Network.Im  using 2  Inbuilt  Gig Ethernet Interface and  1  serial Interface card .Now i  have  a  requirement  of  another  link  need to  terninate .can  the 2821  router support additional  Ether...