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  1. 180990

    Nortel ERS-5520 connected to WAN Router

    I have a Nortel ERS-5520 connected to WAN router. Nortel has 5 routable VLAN's, one of them connected to WAN router. On WAN router all routes point to IP address assigned to routable VLAN interface on Nortel. Default route on Nortel switch is WAN's interface. Any thoughts on this? Is this a...
  2. 180990

    tagAll or untagPvidOnly question

    Core Nortel ERS-5520 set as a L3 switch/router. Second Nortel ERS-5520 set as a L2 switch no routing. It has 3 VLAN's (VLAN 100, VLAN 200, VLAN 300). Port 45 is set to tagAll(Trunk) and it is a member of those 3 VLAN's. Trunk port is connected to port 45 on the Core L3 switch. On the Core...
  3. 180990

    Configuring Nortel 1140E IP Phone on Catalyst 3750

    thread558-937628 Hello Everyone, I'm wondering if there is anyone out there using Nortel 1120E and 1140E IP Phones on Cisco Catalyst 3750 switch. Currently I'm using Nortel/Avaya 5520 switch to run my phones, but would like to switch to Cisco gear. You probably wondering why, well I think Cisco...
  4. 180990

    Need help on QoS over WAN link

    I have Nortel ERS-5520 at remote site with voice and data VLAN's. 5520 is used as Layer 3 switch connected to provider's WAN router through routable VLAN link. I was told that I need to tag WAN packets with Diffserv (DSCP) and shape the traffic on the ingreess. I was looking at some QoS commands...
  5. 180990

    Configuring ERS-5520 for CS1000E

    What are the best guidelines to configure Nortel ERS-5520 switch for CS1000E and SIG Server. What I'm looking here for is especialy when configuring the VLAN and ports where these boxes are attached to. Switch is also used as a layer 3 switch, has a voice VLAN, data VLAN, TLAN and ELAN. Any...
  6. 180990

    DHCP Issues on Nortel ERS-5520

    After upgrading switch to software release 6.1.3.025 secured. Any device that is attached to any port will not receive an IP address assigned by DHCP server. I've captured traffic going from the device and requesting IP. The request comes to DHCP server. DHCP server receives request and responds...
  7. 180990

    Need remote office advice

    I'm setting up remote offcie with VoIP using Nortel ERS-5520 as an edge switch. The traffic will go through MPLS network with 2MB guaranteed bandwith for QoS traffic. My question is. What kind of router/switch I should use to connect my ERS-5520 edge switch to MLPS network? Should I go with...
  8. 180990

    Any issues updating Nortel 5520 switch

    I was wondering if you guys had any issues when updating Nortel 5520 switches with ip phones attached. I'm planing to update my switches to the latest software and just want some intup on the process.
  9. 180990

    rcmd: socket: Permission denied

    Hi There! Been getting this error "rcmd: socket: Permission denied" on every machine that logs onto my SCO 6.0 Server through telnet session. Not sure how to troubleshoot this or where to start to look for the actual problem. Any help be very appreciated
  10. 180990

    Security measures in VoIP environment question

    Hi to All, I kind of completed my first VoIP installation in my company. Now I'm concerned about security and what kind of measures I should take to protect VoIP from being compromised. I was wondering if any of you experienced guys in VoIP environment could give me some hints from your real...
  11. 180990

    Cannot hear other person when calling using ip phone

    Hello Everyone, Here is a situation: When calling other party on ip phone the phone rings but when you pickup the phone he/she can hear my voice but I cannot hear the other persons. This is happening when connecting two locations through dedicated T1 link. The sites are linked through P2P...
  12. 180990

    Default gateway in dhcp pool for VoIP ?

    What would be the default gateway in dhcp pool for VoIP phones?
  13. 180990

    Question about VoIP VLan CS1000 and VGCM card

    Hardware ERS5520 I1140E phones, CS1000 signaling server Created voice vlan 102 using ADAC, configured LLDP for the ports we expect to connect IP phones and enabled adac on those ports. 5520-48T-PWR (config)# interface fastEthernet 30-44 My questions are: Do I connect CS1000 and VGMC media...
  14. 180990

    Signalling Server and Media Card

    Anybody here has any experience on how to setup VLAN for Signalling Server and Media Card on ERS-5520 to carry trafic between IP Phones. Thanks
  15. 180990

    Odd sytuation with ERS-5520 switch

    I have two ERS-5520 switches connected through MLT trunk on ports 47,48. Left them running over-night and in the morning I've noticed that the second switch is just hanging with a message on the screen: Initializing........ Broadcom Command Monitor: Copyright (c) 1998-2005 Broadcom Corporation...
  16. 180990

    Creating MLT Trunk

    Hello, Would someone here give to me detailed steps on how to create a MLT trunk between two ERS-5520 switches. I'll be using fiber to connect those switches. Cheers
  17. 180990

    Routing issues on ERS 5520

    Good Day to All I have this bizarre problem with routing on my Nortel ERS-5520 My configuration consists of 4 VLAN's and here they are: VLAN 2 data vlan's interface ip is 10.2.15.12 255.255.0.0 VLAN 102 voice vlan's interface ip is 10.102.15.1 255.255.0.0 VLAN 202 TLAN vlan's interface ip...
  18. 180990

    IP Address conflict

    I've created 2 VLan's when I try to assign IP's to VLan's I get message Cannot modify settings Duplicate/nested IP Address Here is what I'm doing: enable config terminal interface vlan 102 ip address 10.2.102.1 255.255.0.0 ip dhcp-relay mode dhcp exit interface vlan 202 ip address 10.2.202.1...
  19. 180990

    Spanning Tree on ERS-5520 switch

    I have a question related to STP, if I create a trunk on ports 47,48 over the fiber do I need to disable spanning tree on those ports or it gets disabled right after the trunk is created?
  20. 180990

    UPS management software?

    I have a APC UPS and need to know what software I can use on my SCO 6.0 box to manage it in an event of power failure. Any recomendations will be greatly appreciated. Thanks Wesley

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