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Hello, experts. We plan to upgrade ROMMON and IOS XE on Catalyst 4503E that is working in VSS mode.ROMMON: from 15.1(1r)SG5 to 15.1(1r)SG18IOS XE: from 3.8.4.E to 3.11.2E I've read this guides:1. ROMMON: https://www.cisco.com/c/en/us/td/docs/switches...
Hello everyone! What is the best practice to configure STP in the scenario as shown in the picture below?How to protect ISP network from misconfiguration on the client side? 1. Root on ISP side?2. Root guard on access ports to client?3. Something els...
Hello everyone!
I'm trying to configure AAA authentication on my ASR9K box with remote freeradius server and the problem is that ios xr prepands extra symbols to User-Password attribute:
User-Password = "qwerty\000\001P\036`\264O\223\265|"
as resul...
Hello,
I have a strange problem with MSDP perring on my 3560 box, in logs i see:
059846: Dec 11 14:27:10.156 MSK/MSD: %MSDP-5-PEER_UPDOWN: Session to peer 192.168.1.1 going down059847: Dec 11 14:27:23.091 MSK/MSD: %MSDP-5-PEER_UPDOWN: Session to pe...
Hello everyone!
I work for an ISP and on access layer we use ring topology.
We use rstp for l2 redundancy on access layer and REP(resilient ethernet protocol) on core/aggregation layers.
To tunnel BPDU between edge switches in the access ring we us...
Leo, I did upgrade (ROMMON + IOS) exactly as you wrote and everything went fine.All update (ROMMON + IOS) lasted about 10 minutes. The minor thing what i want to add to your plan is don't forget to check bootvar with:show bootvar before doing:redunda...
Hello!The bug was opened on this case:https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvi31649I did't have time to try workaround because changed my job.
Again, in order for the 2 routers to exchange routes, they must be neighbors and there must be an adjacency between them. Neighborship and adjacency are different states. 2-way state is enough for 2 routers to become neighbors, but not enough for the...
Hello. As you know, OSPF is link state protocol. Every link state protocol based on the rule, that all routers in the same area should have same view of the network topology. Every link state protocol based on graph theory and specially on Dijkstra's...
