as we know, when doing mutual redistribution with two or more routers, there will be loop if we don't use tag on one redistributing router and block the route learn back on the other. however, even without configuring tagging and blocking, IOS XE and...
Forum Posts
in IOS XR, when you configure BFD in static route, there is multihop option as in 'bfd fast-detect multihop <source address>' however you can't configure destination as we can in IOS XE. the router uses the directly connected neighbor interface addre...
I'm having a very strange issue with a 3850 right now. We use 3850's as building routers on campus. Each building gets its own 3850 and then there is a variety of 4500, 2960X and 9300 switches deployed for layer 2. On each 3850 we have the traffic se...
Resolved! IP SLA Responder - Are all ports open?
Playing with IP SLA, I configured a udp probe with a random port 65051 on the other side I only configured "ip sla responder" and it started working... I changed the port a few times (63500, 64111, etc) and it continues to work, which raises a lot of...
My Cisco router has gone into continuous boot loop. Not able to enter ROMMON either.Can someone please help me?Product: Cisco ISR 1100 – C1111-4PROMMON Version: 16.12(1r)IOS Image: c1100-universalk9.17.12.x.SPA.binIssue Type: Boot loop / unrecoverabl...
Good morning Cisco Community, I feel like i am over looking something simple here. I've built a SVI and propogated it into OSPF on a L3 device. On one interface of that device there is a host connected through two cascaded layer two acces switches....
Trying to get into the C1111-4P router after powering on it can't find the IOS image and also I cannot get into ROMMON mode can you help please thank you:Rom image verified correctlySystem Bootstrap, Version 16.9(1r), RELEASE SOFTWARECopyright (c) 19...
What precautions should we take when we transit legacy network to SDWAN network ? how can we do it in minimal downtime ?how can we replace devices in minimal downtime in LAN network /DC network /WAN network ? precautions
I have a nexus switch 93180YC-EX.I'm getting below warning syslog message:%TAHUSD-SLOT1-4-BUFFER_THRESHOLD_EXCEEDED: Module 1 Instance 0 Pool-group buffer 90 percent threshold is exceeded! (message repeated 1 time)When I checked the resources usage, ...
Dear Team , I have customer end router with E3 interface which supports non-channelized E3 interface . When I am connecting to E3 port of IMA3G-IMSG card of ASR 903 router , neither controller comes up nor interface protocol comes up with G.751 fra...
Hello, I have an ISR829 LTE Router with Switch module. I believe I am having an issue with return traffic from the internet for some IoT devices I put on a new subnet and VLAN. I assume the issue is when the traffic arrives back from vendor network...
Hello. I have a scenario here as per diagram. All the Route/Switch (R/S) is NXOS Router/Switch (R/S)Site A has multiple static routes to (R/S)Site B. Site B also has multiple static routes to site A and at the same time has ospf running and redistrib...
Resolved! NATTing on Nexus 3548
Good day,I have a quick question I have a cisco C3548P that I am trying see why NAT isn't working. The incoming interface is eth1/46 which has ip nat inside on it. The outgoing interface is Vlan2799 and has ip nat outside, This vlan does BGP peerin...
Resolved! A Quick Question - OSPF
An OSPF router has 3 directly connected networks; 172.16.0.0/16, 172.16.1.0/16 and 172.16.2.0/16 Which OSPF network command would advertise only the 172.16.1.0 network to neighbors? A. rtr(config-router)# network 172.16.1.0 0.0.255.255 area 0 ...
Hi,I work for an ISP which, like many others and amongst other things, provides fixed/dedicated public IPs via 1to1 static NAT through a Cisco Firepower ASA FW.I've had a customer of ours reporting the following recently:"The issue: We are seeing TCP...
